[Number range CHAPTERPrecipitation Processing System (PPS) Product
Format Description]{.underline}

**Digital Hybrid Scan Reflectivity (DHR)**

DHR is a 256-level digital product. It is generated once every volume
scan. It contains reflectivity values at every sample bin location of a
1 degree by 1 Km (or 0.54 nautical miles) polar grid out to a range of
230 Km (or 124 nautical miles). The reflectivity values are assembled
from the Hybrid Scan array, which is generated on the fly.

The product size is fixed at 85716 bytes. The product is compressed as
of RPG Build 6.

The 256 data levels cover reflectivity values between -32.0 and +94.5
dBZ, in 0.5 dBZ increments. Data level code 0 indicates 'Below
Threshold'; code 1 indicates 'Range Folded'; other codes from 2 through
255 represent reflectivity values.

The Product Symbology block contains two layers:

Layer 1 (packet code 16)

• Reflectivity data -- a fixed 230 x 360 array

Layer 2 (packet code 1)

• Precip Status Message values (ASCII)

• Adaptable parameters (ASCII)

• Bias Table (ASCII)

• Supplemental data (ASCII)

This product is not compressed.

The following table provides a detailed specification of the DHR
product.

[Highlighted areas in the description below indicate changes since the
previous Build]{.mark}

\[Note: a half-word (INT\*2) is 16 bits\]

**MESSAGE HEADER**

[References]{.underline}

2620001F (Class I User ICD):

Fig 3-3 "Message Header"

+------+-------------+------+-------+----------+----------+----------+
| *    | **          | **TY | **UN  | *        | **PREC   | *        |
| *HAL | FIELDNAME** | PE** | ITS** | *VALUE** | ISION/** | *NOTES** |
| F-WO |             |      |       |          |          |          |
| RD** |             |      |       |          | **AC     |          |
|      |             |      |       |          | CURACY** |          |
+------+-------------+------+-------+----------+----------+----------+
| 01   | Message     | IN   | N/A   | 32       | N/A      | From Fig |
|      | Code        | T\*2 |       |          |          | 3-3      |
+------+-------------+------+-------+----------+----------+----------+
| 02   | Date of     | IN   | J     | 1 to     | 1        | From Fig |
|      | Message     | T\*2 | ulian | 32,767   |          | 3-3      |
|      |             |      | Date  |          |          |          |
+------+-------------+------+-------+----------+----------+----------+
| 0    | Time of     | IN   | Se    | 0 to     | 1        | From Fig |
| 3-04 | Message     | T\*4 | conds | 86,399   |          | 3-3      |
+------+-------------+------+-------+----------+----------+----------+
| 0    | Length of   | IN   | N/A   | 85716    | 1        | From Fig |
| 5-06 | Message     | T\*4 |       |          |          | 3-3      |
+------+-------------+------+-------+----------+----------+----------+
| 07   | Source ID   | IN   | N/A   | 0 to 999 | 1        | From Fig |
|      |             | T\*2 |       |          |          | 3-3      |
+------+-------------+------+-------+----------+----------+----------+
| 08   | Destination | IN   | N/A   | 0 to 999 | 1        | From Fig |
|      | ID          | T\*2 |       |          |          | 3-3      |
+------+-------------+------+-------+----------+----------+----------+
| 09   | Number of   | IN   | N/A   | 3        | 1        | From Fig |
|      | Blocks      | T\*2 |       |          |          | 3-3      |
+------+-------------+------+-------+----------+----------+----------+

**PRODUCT DESCRIPTION BLOCK**

[References]{.underline}

2620001F (Class I Users ICD):

Fig 3-6 "Graphic Product Message" Sheet 2, Sheet 6, Sheet 7

Table III "Message Codes for Products"

Table V "Product Dependent Halfword Definition for Product Description
Block"

2620003F (Product Spec ICD):

TBD

+------+-------------+------+-------+----------+----------+----------+
| *    | **          | **TY | **UN  | *        | **PREC   | *        |
| *HAL | FIELDNAME** | PE** | ITS** | *VALUE** | ISION/** | *NOTES** |
| F-WO |             |      |       |          |          |          |
| RD** |             |      |       |          | **AC     |          |
|      |             |      |       |          | CURACY** |          |
+======+=============+======+=======+==========+==========+==========+
| 10   | Block       | IN   | NA    | -1       | N/A      | From Fig |
|      | Divider     | T\*2 |       |          |          | 3-6      |
|      |             |      |       |          |          | Sheet 6  |
+------+-------------+------+-------+----------+----------+----------+
| 1    | Latitude of | IN   | De    | -90 to   | 0.001    | From Fig |
| 1-12 | Radar       | T\*4 | grees | +90      |          | 3-6      |
|      |             |      |       |          |          | Sheet 6  |
+------+-------------+------+-------+----------+----------+----------+
| 1    | Longitude   | IN   | De    | -180 to  | 0.001    | From Fig |
| 3-14 | of Radar    | T\*4 | grees | +180     |          | 3-6      |
|      |             |      |       |          |          | Sheet 6  |
+------+-------------+------+-------+----------+----------+----------+
| 15   | Height of   | IN   | Feet  | -100 to  | 1        | From Fig |
|      | Radar       | T\*2 |       | +11000   |          | 3-6      |
|      |             |      |       |          |          | Sheet 6  |
+------+-------------+------+-------+----------+----------+----------+
| 16   | Product     | IN   | N/A   | 32       |          | From     |
|      | Code        | T\*2 |       |          |          | Table    |
|      |             |      |       |          |          | III      |
+------+-------------+------+-------+----------+----------+----------+
| 17   | Operational | IN   | N/A   | 0 to 2   | N/A      | From Fig |
|      | Mode        | T\*2 |       |          |          | 3-6      |
|      |             |      |       |          |          | Sheet 6  |
+------+-------------+------+-------+----------+----------+----------+
| 18   | Volume      | IN   | N/A   | 1 to 767 | N/A      | From Fig |
|      | Coverage    | T\*2 |       |          |          | 3-6      |
|      | Pattern     |      |       |          |          | Sheet 6  |
+------+-------------+------+-------+----------+----------+----------+
| 19   | Sequence    | IN   | N/A   | -13, 0   | 1        | From Fig |
|      | Number      | T\*2 |       | to 32767 |          | 3-6      |
|      |             |      |       |          |          | Sheet 6  |
+------+-------------+------+-------+----------+----------+----------+
| 20   | Volume Scan | IN   | N/A   | 1 to 80  | 1        | From Fig |
|      | Number      | T\*2 |       |          |          | 3-6      |
|      |             |      |       |          |          | Sheet 6  |
+------+-------------+------+-------+----------+----------+----------+
| 21   | Volume Scan | IN   | J     | 1 to     | 1        | From Fig |
|      | Date        | T\*2 | ulian | 32767    |          | 3-6      |
|      |             |      | Date  |          |          | Sheet 6  |
+------+-------------+------+-------+----------+----------+----------+
| 2    | Volume Scan | IN   | Se    | 0 to     | 1        | From Fig |
| 2-23 | Start Time  | T\*4 | conds | 86399    |          | 3-6      |
|      |             |      | GMT   |          |          | Sheet 6  |
+------+-------------+------+-------+----------+----------+----------+
| 24   | Product     | IN   | J     | 1 to     | 1        | From Fig |
|      | Generation  | T\*2 | ulian | 32767    |          | 3-6      |
|      | Date        |      | Date  |          |          | Sheet 6  |
+------+-------------+------+-------+----------+----------+----------+
| 2    | Product     | IN   | Se    | 0 to     | 1        | From Fig |
| 5-26 | Generation  | T\*4 | conds | 86399    |          | 3-6      |
|      | Time        |      |       |          |          | Sheet 6  |
+------+-------------+------+-------+----------+----------+----------+
| 27   | Not used    | IN   | N/A   | 0        | N/A      | From OSF |
|      |             | T\*2 |       |          |          | doc      |
+------+-------------+------+-------+----------+----------+----------+
| 28   | Not used    | IN   | N/A   | 0        | N/A      | From OSF |
|      |             | T\*2 |       |          |          | doc      |
+------+-------------+------+-------+----------+----------+----------+
| 29   | Elevation   | IN   | N/A   | 0 to 20  | 1        | From Fig |
|      | Number      | T\*2 |       |          |          | 3-6      |
|      |             |      |       |          |          | Sheet 6  |
+------+-------------+------+-------+----------+----------+----------+
| 30   | Not used    | IN   | N/A   | 0        | N/A      | From OSF |
|      |             | T\*2 |       |          |          | doc      |
+------+-------------+------+-------+----------+----------+----------+
| 31   | Minimum DHR | IN   | dBZ   | -32.0    | 0.1      | From OSF |
|      | data level  | T\*2 |       |          |          | doc      |
+------+-------------+------+-------+----------+----------+----------+
| 32   | Data level  | IN   | dBZ   | 0.5      | 0.1      | From OSF |
|      | increment   | T\*2 |       |          |          | doc      |
+------+-------------+------+-------+----------+----------+----------+
| 33   | Number of   | IN   | N/A   | 256      | 1        | From OSF |
|      | data levels | T\*2 |       |          |          | doc      |
+------+-------------+------+-------+----------+----------+----------+
| 34   | Not used    | IN   | N/A   | 0        | N/A      | From OSF |
|      |             | T\*2 |       |          |          | doc      |
+------+-------------+------+-------+----------+----------+----------+
| 35   | Not used    | IN   | N/A   | 0        | N/A      | From OSF |
|      |             | T\*2 |       |          |          | doc      |
+------+-------------+------+-------+----------+----------+----------+
| 36   | Not used    | IN   | N/A   | 0        | N/A      | From OSF |
|      |             | T\*2 |       |          |          | doc      |
+------+-------------+------+-------+----------+----------+----------+
| 37   | Not used    | IN   | N/A   | 0        | N/A      | From OSF |
|      |             | T\*2 |       |          |          | doc      |
+------+-------------+------+-------+----------+----------+----------+
| 38   | Not used    | IN   | N/A   | 0        | N/A      | From OSF |
|      |             | T\*2 |       |          |          | doc      |
+------+-------------+------+-------+----------+----------+----------+
| 39   | Not used    | IN   | N/A   | 0        | N/A      | From OSF |
|      |             | T\*2 |       |          |          | doc      |
+------+-------------+------+-------+----------+----------+----------+
| 40   | Not used    | IN   | N/A   | 0        | N/A      | From OSF |
|      |             | T\*2 |       |          |          | doc      |
+------+-------------+------+-------+----------+----------+----------+
| 41   | Not used    | IN   | N/A   | 0        | N/A      | From OSF |
|      |             | T\*2 |       |          |          | doc      |
+------+-------------+------+-------+----------+----------+----------+
| 42   | Not used    | IN   | N/A   | 0        | N/A      | From OSF |
|      |             | T\*2 |       |          |          | doc      |
+------+-------------+------+-------+----------+----------+----------+
| 43   | Not used    | IN   | N/A   | 0        | N/A      | From OSF |
|      |             | T\*2 |       |          |          | doc      |
+------+-------------+------+-------+----------+----------+----------+
| 44   | Not used    | IN   | N/A   | 0        | N/A      | From OSF |
|      |             | T\*2 |       |          |          | doc      |
+------+-------------+------+-------+----------+----------+----------+
| 45   | Not used    | IN   | N/A   | 0        | N/A      | From OSF |
|      |             | T\*2 |       |          |          | doc      |
+------+-------------+------+-------+----------+----------+----------+
| 46   | Not used    | IN   | N/A   | 0        | N/A      | From OSF |
|      |             | T\*2 |       |          |          | doc      |
+------+-------------+------+-------+----------+----------+----------+
| 47   | Maximum     | IN   | dBZ   | 95       | 1        | DOORS    |
|      | R           | T\*2 |       |          |          | version  |
|      | eflectivity |      |       |          |          | of Class |
|      |             |      |       |          |          | I Users  |
|      |             |      |       |          |          | ICD      |
+------+-------------+------+-------+----------+----------+----------+
| 48   | Date of     | IN   | J     | 1 to     | 1        | DOORS    |
|      | Scan        | T\*2 | ulian | 32767    |          | version  |
|      |             |      | Date  |          |          | of Class |
|      |             |      |       |          |          | I Users  |
|      |             |      |       |          |          | ICD      |
+------+-------------+------+-------+----------+----------+----------+
| 49   | Average     | IN   | Mi    | 1 --     | 1        | DOORS    |
|      | Time of     | T\*2 | nutes | 1439     |          | version  |
|      | Hybrid Scan |      |       |          |          | of Class |
|      |             |      |       |          |          | I Users  |
|      |             |      |       |          |          | ICD      |
+------+-------------+------+-------+----------+----------+----------+
| 50   | Not Used    | IN   | N/A   | 0        | N/A      | DOORS    |
|      |             | T\*2 |       |          |          | version  |
|      |             |      |       |          |          | of Class |
|      |             |      |       |          |          | I Users  |
|      |             |      |       |          |          | ICD      |
+------+-------------+------+-------+----------+----------+----------+
| 51   | Not Used    | IN   | N/A   | 0        | N/A      | DOORS    |
|      |             | T\*2 |       |          |          | version  |
|      |             |      |       |          |          | of Class |
|      |             |      |       |          |          | I Users  |
|      |             |      |       |          |          | ICD      |
+------+-------------+------+-------+----------+----------+----------+
| 52   | Not used    | IN   | N/A   | 0        | N/A      | From OSF |
|      |             | T\*2 |       |          |          | doc      |
+------+-------------+------+-------+----------+----------+----------+
| 53   | Not used    | IN   | N/A   | 0        | N/A      | From OSF |
|      |             | T\*2 |       |          |          | doc      |
+------+-------------+------+-------+----------+----------+----------+
| [54  | [Vers       | [IN  | [N    | [2       | [1       | [From    |
| ]{.m | ion]{.mark} | T\*1 | /A]{. | ]{.mark} | ]{.mark} | Sheet 7, |
| ark} |             | ]{.m | mark} |          |          | Note 2 - |
|      |             | ark} |       |          |          | DOORS    |
|      |             |      |       |          |          | version  |
|      |             |      |       |          |          | of Class |
|      |             |      |       |          |          | I Users  |
|      |             |      |       |          |          | ICD      |
|      |             |      |       |          |          | ]{.mark} |
+------+-------------+------+-------+----------+----------+----------+
| 54   | Spot Blank  | IN   | N/A   | 0 to 1   | 1        | From Fig |
|      |             | T\*1 |       |          |          | 3-6      |
|      |             |      |       |          |          | Sheet 6  |
+------+-------------+------+-------+----------+----------+----------+
| 5    | Offset to   | IN   | Half- | 60       | 1        | From OSF |
| 5-56 | Product     | T\*4 | words |          |          | doc      |
|      | Symbology   |      |       |          |          |          |
|      | block       |      |       |          |          |          |
+------+-------------+------+-------+----------+----------+----------+
| 5    | Offset to   | IN   | Half- | 0        | 1        | From OSF |
| 7-58 | Graphic     | T\*4 | words |          |          | doc      |
|      | Attributes  |      |       |          |          |          |
|      | block       |      |       |          |          |          |
+------+-------------+------+-------+----------+----------+----------+
| 5    | Offset to   | IN   | Half- | 0        | 1        | From OSF |
| 9-60 | Graphic     | T\*4 | words |          |          | doc      |
|      | A           |      |       |          |          |          |
|      | lphanumeric |      |       |          |          |          |
|      | block       |      |       |          |          |          |
+------+-------------+------+-------+----------+----------+----------+

**PRODUCT SYMBOLOGY BLOCK**

[References]{.underline}

2620001F (Class I User ICD):

Section 3.2.1.2 "Product Symbology Block"

Fig 3-6 "Graphic Product Message" (Sheet 8)

Fig 3-8b "Text and Special Symbol Packets"

Fig 3-11c "Digital Radial Data Array Packet"

2620003 (ICD for Product Specification):

Appendix C, Format VIII "DHR and ...."

<table>
<colgroup>
<col style="width: 10%" />
<col style="width: 20%" />
<col style="width: 0%" />
<col style="width: 9%" />
<col style="width: 0%" />
<col style="width: 11%" />
<col style="width: 0%" />
<col style="width: 14%" />
<col style="width: 0%" />
<col style="width: 14%" />
<col style="width: 15%" />
</colgroup>
<thead>
<tr class="header">
<th><strong>HALF-WORD</strong></th>
<th><strong>FIELDNAME</strong></th>
<th colspan="2"><strong>TYPE</strong></th>
<th colspan="2"><strong>UNITS</strong></th>
<th colspan="2"><strong>VALUE</strong></th>
<th colspan="2"><p><strong>PRECISION/</strong></p>
<p><strong>ACCURACY</strong></p></th>
<th><strong>NOTES</strong></th>
</tr>
</thead>
<tbody>
<tr class="odd">
<td>61</td>
<td>Block Divider</td>
<td colspan="2">INT*2</td>
<td colspan="2">N/A</td>
<td colspan="2">-1</td>
<td colspan="2">N/A</td>
<td>From Fig 3-6 Sheet 8</td>
</tr>
<tr class="even">
<td>62</td>
<td>Block ID</td>
<td colspan="2">INT*2</td>
<td colspan="2">N/A</td>
<td colspan="2">1</td>
<td colspan="2">N/A</td>
<td>From Fig 3-6 Sheet 8</td>
</tr>
<tr class="odd">
<td>63-64</td>
<td>Length of Block</td>
<td colspan="2">INT*4</td>
<td colspan="2">Bytes</td>
<td colspan="2">85596</td>
<td colspan="2">1</td>
<td>From Fig 3-6 Sheet 8</td>
</tr>
<tr class="even">
<td>65</td>
<td>Number of Layers</td>
<td colspan="2">INT*2</td>
<td colspan="2">N/A</td>
<td colspan="2">2</td>
<td colspan="2">1</td>
<td>DOORS version of Class I Users ICD</td>
</tr>
<tr class="odd">
<td>66</td>
<td>Layer Divider</td>
<td colspan="2">INT*2</td>
<td colspan="2">N/A</td>
<td colspan="2">-1</td>
<td colspan="2">N/A</td>
<td>From Fig 3-6 Sheet 8</td>
</tr>
<tr class="even">
<td>67-68</td>
<td>Length of Data Layer not including layer divider and layer
length</td>
<td colspan="2">INT*4</td>
<td colspan="2">N/A</td>
<td colspan="2">84974</td>
<td colspan="2">1</td>
<td>From Fig 3-6 Sheet 8</td>
</tr>
<tr class="odd">
<td></td>
<td></td>
<td colspan="2"></td>
<td colspan="2"></td>
<td colspan="2"></td>
<td colspan="2"></td>
<td></td>
</tr>
<tr class="even">
<td></td>
<td colspan="9"><strong>BEGINNING OF THE DHR REFLECTIVITY DATA
LAYER</strong></td>
<td></td>
</tr>
<tr class="odd">
<td></td>
<td></td>
<td colspan="2"></td>
<td colspan="2"></td>
<td colspan="2"></td>
<td colspan="2"></td>
<td></td>
</tr>
<tr class="even">
<td>69</td>
<td>Packet Code</td>
<td colspan="2">INT*2</td>
<td colspan="2">N/A</td>
<td colspan="2">16</td>
<td colspan="2">N/A</td>
<td>Fig 3-11c</td>
</tr>
<tr class="odd">
<td>70</td>
<td>Index of First Range Bin</td>
<td colspan="2">INT*2</td>
<td colspan="2">N/A</td>
<td colspan="2">0</td>
<td colspan="2">1</td>
<td>Fig 3-11c</td>
</tr>
<tr class="even">
<td>71</td>
<td>Number of Range Bins</td>
<td colspan="2">INT*2</td>
<td colspan="2">N/A</td>
<td colspan="2">230</td>
<td colspan="2">1</td>
<td>Fig 3-11c</td>
</tr>
<tr class="odd">
<td>72</td>
<td>I Center of Sweep</td>
<td colspan="2">INT*2</td>
<td colspan="2">N/A</td>
<td colspan="2">0</td>
<td colspan="2">1</td>
<td>Fig 3-11c</td>
</tr>
<tr class="even">
<td>73</td>
<td>J Center of Sweep</td>
<td colspan="2">INT*2</td>
<td colspan="2">N/A</td>
<td colspan="2">0</td>
<td colspan="2">1</td>
<td>Fig 3-11c</td>
</tr>
<tr class="odd">
<td>74</td>
<td>Range Scale Factor (230/#Bins)</td>
<td colspan="2">Scaled Integer</td>
<td colspan="2">N/A</td>
<td colspan="2">1.0</td>
<td colspan="2">0.001</td>
<td>Fig 3-11c</td>
</tr>
<tr class="even">
<td>75</td>
<td>Number of Radials</td>
<td colspan="2">INT*2</td>
<td colspan="2">N/A</td>
<td colspan="2">360</td>
<td colspan="2">1</td>
<td>}Repeat</td>
</tr>
<tr class="odd">
<td></td>
<td colspan="9"></td>
<td></td>
</tr>
<tr class="even">
<td>76</td>
<td>Number of Bytes in Radial</td>
<td colspan="2">INT*2</td>
<td colspan="2">N/A</td>
<td colspan="2">230</td>
<td colspan="2">1</td>
<td>}For</td>
</tr>
<tr class="odd">
<td>77</td>
<td>Radial Start Angle</td>
<td colspan="2">Scaled Integer</td>
<td colspan="2">Degrees</td>
<td colspan="2">0.0 to 359.9</td>
<td colspan="2">0.1</td>
<td>}</td>
</tr>
<tr class="even">
<td>78</td>
<td>Radial Delta Angle</td>
<td colspan="2"><p>Scaled</p>
<p>Integer</p></td>
<td colspan="2">Degrees</td>
<td colspan="2">1.0</td>
<td colspan="2">0.1</td>
<td>}Each</td>
</tr>
<tr class="odd">
<td>79</td>
<td>Level 0</td>
<td colspan="2">INT*1</td>
<td colspan="2">N/A</td>
<td colspan="2">0 to 255</td>
<td colspan="2">1</td>
<td>}</td>
</tr>
<tr class="even">
<td></td>
<td>Level 1</td>
<td colspan="2">INT*1</td>
<td colspan="2">N/A</td>
<td colspan="2">0 to 255</td>
<td colspan="2">1</td>
<td>}</td>
</tr>
<tr class="odd">
<td>80</td>
<td>Level 2</td>
<td colspan="2">INT*1</td>
<td colspan="2">N/A</td>
<td colspan="2">0 to 255</td>
<td colspan="2">1</td>
<td>}</td>
</tr>
<tr class="even">
<td></td>
<td>Level 3</td>
<td colspan="2">INT*1</td>
<td colspan="2">N/A</td>
<td colspan="2">0 to 255</td>
<td colspan="2">1</td>
<td>}</td>
</tr>
<tr class="odd">
<td></td>
<td></td>
<td colspan="2"></td>
<td colspan="2"></td>
<td colspan="2"></td>
<td colspan="2"></td>
<td></td>
</tr>
<tr class="even">
<td></td>
<td></td>
<td colspan="2"></td>
<td colspan="2"></td>
<td colspan="2"></td>
<td colspan="2"></td>
<td></td>
</tr>
<tr class="odd">
<td><strong>…</strong></td>
<td><strong>…</strong></td>
<td colspan="2"><strong>…</strong></td>
<td colspan="2"><strong>…</strong></td>
<td colspan="2"><strong>…</strong></td>
<td colspan="2"><strong>…</strong></td>
<td>}</td>
</tr>
<tr class="even">
<td><strong>…</strong></td>
<td><strong>…</strong></td>
<td colspan="2"><strong>…</strong></td>
<td colspan="2"><strong>…</strong></td>
<td colspan="2"><strong>…</strong></td>
<td colspan="2"><strong>…</strong></td>
<td>}</td>
</tr>
<tr class="odd">
<td>193</td>
<td>Level (N-1)</td>
<td colspan="2">INT*1</td>
<td colspan="2">N/A</td>
<td colspan="2">0 to 255</td>
<td colspan="2">1</td>
<td>}</td>
</tr>
<tr class="even">
<td></td>
<td>Level (N)</td>
<td colspan="2">INT*1</td>
<td colspan="2">N/A</td>
<td colspan="2">0 to 255</td>
<td colspan="2">1</td>
<td>}Row</td>
</tr>
<tr class="odd">
<td><strong>…</strong></td>
<td><strong>…</strong></td>
<td colspan="2"><strong>…</strong></td>
<td colspan="2"><strong>…</strong></td>
<td colspan="2"><strong>…</strong></td>
<td colspan="2"><strong>…</strong></td>
<td></td>
</tr>
<tr class="even">
<td><strong>…</strong></td>
<td><strong>…</strong></td>
<td colspan="2"><strong>…</strong></td>
<td colspan="2"><strong>…</strong></td>
<td colspan="2"><strong>…</strong></td>
<td colspan="2"><strong>…</strong></td>
<td>}Between</td>
</tr>
<tr class="odd">
<td><strong>…</strong></td>
<td><strong>…</strong></td>
<td colspan="2"><strong>…</strong></td>
<td colspan="2"><strong>…</strong></td>
<td colspan="2"><strong>…</strong></td>
<td colspan="2"><strong>…</strong></td>
<td>}</td>
</tr>
<tr class="even">
<td><strong>…</strong></td>
<td><strong>…</strong></td>
<td colspan="2"><strong>…</strong></td>
<td colspan="2"><strong>…</strong></td>
<td colspan="2"><strong>…</strong></td>
<td colspan="2"><strong>…</strong></td>
<td>}</td>
</tr>
<tr class="odd">
<td>42555</td>
<td>Level(N-1)</td>
<td colspan="2">INT*1</td>
<td colspan="2">N/A</td>
<td colspan="2">0 to 255</td>
<td colspan="2">1</td>
<td>}Radial 2 and</td>
</tr>
<tr class="even">
<td></td>
<td>Level(N)</td>
<td colspan="2">INT*1</td>
<td colspan="2">N/A</td>
<td colspan="2">0 to 255</td>
<td colspan="2">1</td>
<td>}Radial 360</td>
</tr>
<tr class="odd">
<td></td>
<td colspan="9"><strong>BEGINNING OF THE DHR ALPHANUMERIC
LAYER</strong></td>
<td></td>
</tr>
<tr class="even">
<td>42556</td>
<td>Text layer divider</td>
<td colspan="2">INT*2</td>
<td colspan="2">N/A</td>
<td colspan="2">-1</td>
<td colspan="2">N/A</td>
<td></td>
</tr>
<tr class="odd">
<td>42557-42558</td>
<td>Layer length not including layer divider and layer length</td>
<td colspan="2">INT*4</td>
<td colspan="2">N/A</td>
<td colspan="2">600</td>
<td colspan="2">1</td>
<td></td>
</tr>
<tr class="even">
<td>42559</td>
<td>Text layer packet code</td>
<td colspan="2">INT*2</td>
<td colspan="2">N/A</td>
<td colspan="2">1</td>
<td colspan="2">N/A</td>
<td>Fig 3-8b</td>
</tr>
<tr class="odd">
<td>42560</td>
<td>Length of text layer in bytes</td>
<td colspan="2">INT*2</td>
<td colspan="2">N/A</td>
<td colspan="2">596</td>
<td colspan="2">1</td>
<td></td>
</tr>
<tr class="even">
<td>42561</td>
<td>I Starting Point</td>
<td colspan="2">INT*2</td>
<td colspan="2">Km/4 or Pixels</td>
<td colspan="2">0</td>
<td colspan="2">1</td>
<td>Fig 3-8b</td>
</tr>
<tr class="odd">
<td>42562</td>
<td>J Starting Point</td>
<td colspan="2">INT*2</td>
<td colspan="2">Km/4 or Pixels</td>
<td colspan="2">0</td>
<td colspan="2">1</td>
<td>Fig 3-8b</td>
</tr>
<tr class="even">
<td></td>
<td></td>
<td colspan="2"></td>
<td colspan="2"></td>
<td colspan="2"></td>
<td colspan="2"></td>
<td></td>
</tr>
<tr class="odd">
<td></td>
<td colspan="9"><strong>BEGINNING OF PRECIP STATUS MESSAGE SUB-LAYER OF
DHR ALPHANUMERIC LAYER</strong></td>
<td></td>
</tr>
<tr class="even">
<td>42563-42566</td>
<td>Precip Status Message (PSM) header</td>
<td colspan="2">ASCII*8</td>
<td colspan="2">N/A</td>
<td colspan="2"><p>“PSM(nn)”</p>
<p>(space padded?)</p></td>
<td colspan="2">N/A</td>
<td>Format VIII Note 1; nn is the number of adaptable parameters which
are contained in this sub-layer</td>
</tr>
<tr class="odd">
<td>42567-42570</td>
<td>Current Date Precip Function Ran</td>
<td colspan="2">ASCII*8</td>
<td colspan="2">JULIAN DAYS</td>
<td colspan="2">0 – 99999</td>
<td colspan="2">1</td>
<td>Format VIII</td>
</tr>
<tr class="even">
<td>42571-42574</td>
<td>Current Time Precip Function Ran</td>
<td colspan="2">ASCII*8</td>
<td colspan="2">SEC</td>
<td colspan="2">0 – 86399</td>
<td colspan="2">1</td>
<td>Format VIII</td>
</tr>
<tr class="odd">
<td>42575-42578</td>
<td>Last Date Precip Detected</td>
<td colspan="2">ASCII*8</td>
<td colspan="2">JULIAN DAYS</td>
<td colspan="2">0 – 99999</td>
<td colspan="2">1</td>
<td>Format VIII</td>
</tr>
<tr class="even">
<td>42579-42582</td>
<td>Last Time Precip Detected</td>
<td colspan="2">ASCII*8</td>
<td colspan="2">SEC</td>
<td colspan="2">0 – 86399</td>
<td colspan="2">1</td>
<td>Format VIII</td>
</tr>
<tr class="odd">
<td>42583-42586</td>
<td>Current Precip Category</td>
<td colspan="2">ASCII*8</td>
<td colspan="2">--</td>
<td colspan="2">0 to 2</td>
<td colspan="2">1</td>
<td>Format VIII</td>
</tr>
<tr class="even">
<td>42587-42590</td>
<td>Previous Precip Category</td>
<td colspan="2">ASCII*8</td>
<td colspan="2">--</td>
<td colspan="2">0 to 2</td>
<td colspan="2">1</td>
<td>Format VIII</td>
</tr>
<tr class="odd">
<td></td>
<td></td>
<td colspan="2"></td>
<td colspan="2"></td>
<td colspan="2"></td>
<td colspan="2"></td>
<td></td>
</tr>
<tr class="even">
<td></td>
<td></td>
<td colspan="2"></td>
<td colspan="2"></td>
<td colspan="2"></td>
<td colspan="2"></td>
<td></td>
</tr>
<tr class="odd">
<td></td>
<td></td>
<td colspan="2"></td>
<td colspan="2"></td>
<td colspan="2"></td>
<td colspan="2"></td>
<td></td>
</tr>
<tr class="even">
<td></td>
<td colspan="9"><strong>BEGINNING OF THE <mark>EPRE</mark> ADAPTATION
DATA SUB-LAYER OF DHR ALPHANUMERIC LAYER</strong></td>
<td></td>
</tr>
<tr class="odd">
<td>42591-42594</td>
<td>Adaptation data header</td>
<td colspan="2">ASCII*8</td>
<td colspan="2">N/A</td>
<td colspan="2">“ADAP(nn)”</td>
<td colspan="2">N/A</td>
<td>Format VIII Note 2; nn is the number of adaptable parameters which
are contained in this sub-layer</td>
</tr>
<tr class="even">
<td><mark>42595-42598</mark></td>
<td><mark>Width of radar beam</mark></td>
<td colspan="2"><p><mark>ASCII*8</mark></p>
<p><mark></mark></p></td>
<td colspan="2"><mark>Deg</mark></td>
<td colspan="2"><p><mark>“XXXXX.XX”</mark></p>
<p><mark>(space padded)</mark></p>
<p><mark>Range: 0.80 to</mark></p>
<p><mark>1.00</mark></p>
<p><mark>Default: 0.90</mark></p></td>
<td colspan="2"><mark>0.01</mark></td>
<td><mark>Format VIII Note 2; Dennis’s email to Cheryl on “Final”
Adaptation settings 8/28/03</mark></td>
</tr>
<tr class="odd">
<td><mark>42599-42602</mark></td>
<td><mark>Blockage Threshold</mark></td>
<td colspan="2"><p><mark>ASCII*8</mark></p>
<p><mark></mark></p></td>
<td colspan="2"><mark>%</mark></td>
<td colspan="2"><p><mark>“XXXXX.XX”</mark></p>
<p><mark>(space padded)</mark></p>
<p><mark>Range: 0.00 to 100.00</mark></p>
<p><mark>Default: 50.00</mark></p></td>
<td colspan="2"><mark>0.01</mark></td>
<td><mark>Format VIII Note 2; Dennis’s email to Cheryl on “Final”
Adaptation settings 8/28/03</mark></td>
</tr>
<tr class="even">
<td><mark>42603-42606</mark></td>
<td><mark>Clutter Threshold</mark></td>
<td colspan="2"><p><mark>ASCII*8</mark></p>
<p><mark></mark></p></td>
<td colspan="2"><mark>%</mark></td>
<td colspan="2"><p><mark>“XXXXX.XX”</mark></p>
<p><mark>(space padded)</mark></p>
<p><mark>Range: 0.00 to 100.00</mark></p>
<p><mark>Default: 50.00</mark></p></td>
<td colspan="2"><mark>0.01</mark></td>
<td><mark>Format VIII Note 2; discussions on REC performance Nov
2003</mark></td>
</tr>
<tr class="odd">
<td><mark>42607-42610</mark></td>
<td><mark>Weight Threshold</mark></td>
<td colspan="2"><p><mark>ASCII*8</mark></p>
<p><mark></mark></p></td>
<td colspan="2"><mark>%</mark></td>
<td colspan="2"><p><mark>“XXXXX.XX”</mark></p>
<p><mark>Range: 0.00 to 100.00</mark></p>
<p><mark>Default: 50.00</mark></p></td>
<td colspan="2"><mark>0.01</mark></td>
<td><mark>Format VIII Note 2; Dennis’s email to Cheryl on “Final”
Adaptation settings 8/28/03</mark></td>
</tr>
<tr class="even">
<td><mark>42611-42614</mark></td>
<td><mark>Full Hybrid Scan Threshold</mark></td>
<td colspan="2"><p><mark>ASCII*8</mark></p>
<p><mark></mark></p></td>
<td colspan="2"><mark>%</mark></td>
<td colspan="2"><p><mark>“XXXXX.XX”</mark></p>
<p><mark>(space padded)</mark></p>
<p><mark>Range: 90.00 to</mark></p>
<p><mark>100.00</mark></p>
<p><mark>Default: 99.70</mark></p></td>
<td colspan="2"><mark>0.01</mark></td>
<td><mark>Format VIII Note 2; Dennis’s email to Cheryl on “Final”
Adaptation settings 8/28/03</mark></td>
</tr>
<tr class="odd">
<td><mark>42615-42618</mark></td>
<td><mark>Low Reflectivity Threshold</mark></td>
<td colspan="2"><p><mark>ASCII*8</mark></p>
<p><mark></mark></p></td>
<td colspan="2"><mark>dBZ</mark></td>
<td colspan="2"><p><mark>“XXXXX.XX”</mark></p>
<p><mark>(space padded)</mark></p>
<p><mark>Range: -40.00 to</mark></p>
<p><mark>-20.00</mark></p>
<p><mark>Default: -32.00</mark></p></td>
<td colspan="2"><mark>0.01</mark></td>
<td><mark>Format VIII Note 2; Dennis’s email to Cheryl on “Final”
Adaptation settings 8/28/03</mark></td>
</tr>
<tr class="even">
<td><mark>42619-42622</mark></td>
<td><mark>Rain Detection Reflectivity Threshold</mark></td>
<td colspan="2"><p><mark>ASCII*8</mark></p>
<p><mark></mark></p></td>
<td colspan="2"><mark>dBZ</mark></td>
<td colspan="2"><p><mark>“XXXXX.XX”</mark></p>
<p><mark>(space padded)</mark></p>
<p><mark>Range: 10.00 to</mark></p>
<p><mark>30.00</mark></p>
<p><mark>Default: 20.00</mark></p></td>
<td colspan="2"><mark>0.01</mark></td>
<td><mark>Format VIII Note 2; Dennis’s email to Cheryl on “Final”
Adaptation settings 8/28/03</mark></td>
</tr>
<tr class="odd">
<td><mark>42623-42626</mark></td>
<td><mark>Rain Detection Area Threshold</mark></td>
<td colspan="2"><p><mark>ASCII*8</mark></p>
<p><mark></mark></p></td>
<td colspan="2"><mark>Km<sup>2</sup></mark></td>
<td colspan="2"><p><mark>“XXXXX.XX”</mark></p>
<p><mark>(space padded)</mark></p>
<p><mark>Range: 0.00 to</mark></p>
<p><mark>82800.00</mark></p>
<p><mark>Default: 80.00</mark></p></td>
<td colspan="2"><mark>0.01</mark></td>
<td><mark>Format VIII Note 2; Dennis’s email to Cheryl on “Final”
Adaptation settings 8/28/03</mark></td>
</tr>
<tr class="even">
<td><mark>42627-42630</mark></td>
<td><mark>Rain Detection Time Threshold</mark></td>
<td colspan="2"><p><mark>ASCII*8</mark></p>
<p><mark></mark></p></td>
<td colspan="2"><mark>Min</mark></td>
<td colspan="2"><p><mark>“XXXXX.XX”</mark></p>
<p><mark>(space padded)</mark></p>
<p><mark>Range: 0.00 to</mark></p>
<p><mark>1440.00</mark></p>
<p><mark>Default: 60.00</mark></p></td>
<td colspan="2"><mark>0.01</mark></td>
<td><mark>Format VIII Note 2; Dennis’s email to Cheryl on “Final”
Adaptation settings 8/28/03</mark></td>
</tr>
<tr class="odd">
<td>42631-42634</td>
<td>Z-R Mult. Coef.</td>
<td colspan="2">ASCII*8</td>
<td colspan="2">N/A</td>
<td colspan="2"><p>“XXXXX.XX”</p>
<p>(space padded)</p>
<p>Range: 50.00 to</p>
<p>500.00</p>
<p>Default: 300.00</p></td>
<td colspan="2">0.01</td>
<td>Format VIII Note 2</td>
</tr>
<tr class="even">
<td>42635-42638</td>
<td>Z-R Power Coef.</td>
<td colspan="2">ASCII*8</td>
<td colspan="2">N/A</td>
<td colspan="2"><p>“XXXXX.XX”</p>
<p>Range: 1.00 to</p>
<p>2.00</p>
<p>Default: 1.40</p></td>
<td colspan="2">0.01</td>
<td>Format VIII Note 2</td>
</tr>
<tr class="odd">
<td>42639-42642</td>
<td>Min. Refl. to Convert to Rate</td>
<td colspan="2">ASCII*8</td>
<td colspan="2">dBZ</td>
<td colspan="2"><p>“XXXXX.XX”</p>
<p>Range: -32.00 to</p>
<p>+20.00</p>
<p>Default: 0.00</p></td>
<td colspan="2">0.01</td>
<td>Format VIII Note 2</td>
</tr>
<tr class="even">
<td>42643-42646</td>
<td>Max. Refl. to Convert to Rate</td>
<td colspan="2">ASCII*8</td>
<td colspan="2">dBZ</td>
<td colspan="2"><p>“XXXXX.XX”</p>
<p>(space padded)</p>
<p>Range: 50.00 to</p>
<p>90.00</p>
<p>Default: 70.00</p></td>
<td colspan="2">0.01</td>
<td>Format VIII Note 2</td>
</tr>
<tr class="odd">
<td><mark>42647-42650</mark></td>
<td><mark>Number of Exclusion Zones</mark></td>
<td colspan="2"><p><mark>ASCII*8</mark></p>
<p><mark></mark></p></td>
<td colspan="2"><mark>N/A</mark></td>
<td colspan="2"><p><mark>“XXXXX.XX”</mark></p>
<p><mark>(space padded)</mark></p>
<p><mark>Range: 0.00 to 20.00</mark></p>
<p><mark>Default: 0.00</mark></p></td>
<td colspan="2"><mark>0.01</mark></td>
<td><mark>Format VIII Note 2; Dennis’s email to Cheryl on “Final”
Adaptation settings 8/28/03</mark></td>
</tr>
<tr class="even">
<td><mark></mark></td>
<td colspan="9"><strong>BEGINNING OF THE RATE ALGORITHM ADAPTATION DATA
SUB-LAYER OF DHR ALPHANUMERIC LAYER</strong></td>
<td></td>
</tr>
<tr class="odd">
<td>42651-42654</td>
<td>Max Storm Speed</td>
<td colspan="2">ASCII*8</td>
<td colspan="2">M/S</td>
<td colspan="2"><p>“XXXXX.XX”</p>
<p>(space padded)</p>
<p>Range: 10.00 to</p>
<p>40.00</p>
<p>Default: 25.00</p></td>
<td colspan="2">0.01</td>
<td></td>
</tr>
<tr class="even">
<td>42655-42658</td>
<td>Thresh. Max Time Difference</td>
<td colspan="2">ASCII*8</td>
<td colspan="2">MIN</td>
<td colspan="2"><p>“XXXXX.XX”</p>
<p>(space padded)</p>
<p>Range: 10.00 to</p>
<p>30.00</p>
<p>Default: 15.00</p></td>
<td colspan="2">0.01</td>
<td></td>
</tr>
<tr class="odd">
<td>42659-42662</td>
<td>Min. Area Time Continuity</td>
<td colspan="2">ASCII*8</td>
<td colspan="2">KM**2</td>
<td colspan="2"><p>“XXXXX.XX”</p>
<p>(space padded)</p>
<p>Range: 50.00 to</p>
<p>1000.00</p>
<p>Default: 200.00</p></td>
<td colspan="2">0.01</td>
<td></td>
</tr>
<tr class="even">
<td>42663-42666</td>
<td>Time Continuity Parameter #1</td>
<td colspan="2">ASCII*8</td>
<td colspan="2">1/HR</td>
<td colspan="2"><p>“XXXXX.XX”</p>
<p>(space padded)</p>
<p>Range: 0.10 to</p>
<p>99.90</p>
<p>Default: 24.00</p></td>
<td colspan="2">0.01</td>
<td></td>
</tr>
<tr class="odd">
<td>42667-42670</td>
<td>Time Continuity Parameter #2</td>
<td colspan="2">ASCII*8</td>
<td colspan="2">1/HR</td>
<td colspan="2"><p>“XXXXX.XX”</p>
<p>(space padded)</p>
<p>Range: 0.10 to</p>
<p>99.90</p>
<p>Default: 13.20</p></td>
<td colspan="2">0.01</td>
<td></td>
</tr>
<tr class="even">
<td>42671-42674</td>
<td>Max. Rate Echo Area Change</td>
<td colspan="2">ASCII*8</td>
<td colspan="2">KM**2/HR</td>
<td colspan="2"><p>“XXXXX.XX”</p>
<p>(space padded)</p>
<p>Range: 20.00 to</p>
<p>700.00</p>
<p>Default: 200.00</p></td>
<td colspan="2">0.01</td>
<td></td>
</tr>
<tr class="odd">
<td>42675-42678</td>
<td>Range Cut-Off</td>
<td colspan="2">ASCII*8</td>
<td colspan="2">KM</td>
<td colspan="2"><p>“XXXXX.XX”</p>
<p>(space padded)</p>
<p>Range: 0.00 to</p>
<p>230.00</p>
<p>Default: 230.00</p></td>
<td colspan="2">0.01</td>
<td></td>
</tr>
<tr class="even">
<td>42679-42682</td>
<td>Range Effect Coeff. #1</td>
<td colspan="2">ASCII*8</td>
<td colspan="2">dBR</td>
<td colspan="2"><p>“XXXXX.XX”</p>
<p>(space padded)</p>
<p>Range: 0.00 to</p>
<p>3.00</p>
<p>Default: 0.00</p></td>
<td colspan="2">0.01</td>
<td></td>
</tr>
<tr class="odd">
<td>42683-42686</td>
<td>Range Coeff. Coeff. #2</td>
<td colspan="2">ASCII*8</td>
<td colspan="2">N/A</td>
<td colspan="2"><p>“XXXXX.XX”</p>
<p>(space padded)</p>
<p>Range: 1.00 to</p>
<p>10.00</p>
<p>Default: 1.00</p></td>
<td colspan="2">0.01</td>
<td></td>
</tr>
<tr class="even">
<td>42687-42690</td>
<td>Range Coeff. Coeff. #3</td>
<td colspan="2">ASCII*8</td>
<td colspan="2">N/A</td>
<td colspan="2"><p>“XXXXX.XX”</p>
<p>(space padded)</p>
<p>Range: 0.00 to</p>
<p>1.00</p>
<p>Default: 0.00</p></td>
<td colspan="2">0.01</td>
<td></td>
</tr>
<tr class="odd">
<td>42691-42694</td>
<td>Min Precip. Rate for inclusion</td>
<td colspan="2">ASCII*8</td>
<td colspan="2">MM/HR</td>
<td colspan="2"><p>“XXXXX.XX”</p>
<p>(space padded)</p>
<p>Range: 0.00 to</p>
<p>10.00</p>
<p>Default: 0.00</p></td>
<td colspan="2">0.01</td>
<td></td>
</tr>
<tr class="even">
<td>42695-42698</td>
<td>Max Precip. Rate allowed</td>
<td colspan="2">ASCII*8</td>
<td colspan="2">MM/HR</td>
<td colspan="2"><p>“XXXXX.XX”</p>
<p>(space padded)</p>
<p>Range: 200.00 to</p>
<p>1600.00</p>
<p>Default: 103.80</p></td>
<td colspan="2">0.01</td>
<td></td>
</tr>
<tr class="odd">
<td></td>
<td colspan="9"><strong>BEGINNING OF THE ACCUM ALGORITHM ADAPTATION DATA
SUB-LAYER OF DHR ALPHANUMERIC LAYER</strong></td>
<td></td>
</tr>
<tr class="even">
<td>42699-42702</td>
<td>Thresh. Elapsed Time to Restart</td>
<td colspan="2">ASCII*8</td>
<td colspan="2">MIN</td>
<td colspan="2"><p>“XXXXX.XX”</p>
<p>(space padded)</p>
<p>Range: 45.00 to</p>
<p>60.00</p>
<p>Default: 60.00</p></td>
<td colspan="2">0.01</td>
<td></td>
</tr>
<tr class="odd">
<td>42703-42706</td>
<td>Max. Time for Interpolation</td>
<td colspan="2">ASCII*8</td>
<td colspan="2">MIN</td>
<td colspan="2"><p>“XXXXX.XX”</p>
<p>(space padded)</p>
<p>Range: 15.00 to</p>
<p>60.00</p>
<p>Default: 30.00</p></td>
<td colspan="2">0.01</td>
<td></td>
</tr>
<tr class="even">
<td>42707-42710</td>
<td>Min. Time in Hourly Period</td>
<td colspan="2">ASCII*8</td>
<td colspan="2">MIN</td>
<td colspan="2"><p>“XXXXX.XX”</p>
<p>(space padded)</p>
<p>Range: 45.00 to</p>
<p>60.00</p>
<p>Default: 54.00</p></td>
<td colspan="2">0.01</td>
<td></td>
</tr>
<tr class="odd">
<td>42711-42714</td>
<td>Threshold Hourly Outlier</td>
<td colspan="2">ASCII*8</td>
<td colspan="2">MM</td>
<td colspan="2"><p>“XXXXX.XX”</p>
<p>(space padded)</p>
<p>Range: 400.00 to</p>
<p>800.00</p>
<p>Default: 400.00</p></td>
<td colspan="2">0.01</td>
<td></td>
</tr>
<tr class="even">
<td>42715-42718</td>
<td>End Time Gage Accumulation</td>
<td colspan="2">ASCII*8</td>
<td colspan="2">MIN</td>
<td colspan="2"><p>“XXXXX.XX”</p>
<p>(space padded)</p>
<p>Range: 0.00 to</p>
<p>55.00</p>
<p>Default: 0.00</p></td>
<td colspan="2">0.01</td>
<td></td>
</tr>
<tr class="odd">
<td>42719-42722</td>
<td>Max Period Accum Value</td>
<td colspan="2">ASCII*8</td>
<td colspan="2">MM</td>
<td colspan="2"><p>“XXXXX.XX”</p>
<p>(space padded)</p>
<p>Range: 200.00 to</p>
<p>800.00</p>
<p>Default: 400.00</p></td>
<td colspan="2">0.01</td>
<td></td>
</tr>
<tr class="even">
<td>42723-42726</td>
<td>Max Hourly Accum Value</td>
<td colspan="2">ASCII*8</td>
<td colspan="2">MM</td>
<td colspan="2"><p>“XXXXX.XX”</p>
<p>(space padded)</p>
<p>Range: 200.00 to</p>
<p>1600.00</p>
<p>Default: 800.00</p></td>
<td colspan="2">0.01</td>
<td></td>
</tr>
<tr class="odd">
<td></td>
<td colspan="9"><strong>BEGINNING OF THE ADJUSTMENT ALGORITHM ADAPTATION
DATA SUB-LAYER OF DHR ALPHANUMERIC LAYER</strong></td>
<td></td>
</tr>
<tr class="even">
<td>42727-42730</td>
<td>Time Bias Estimation</td>
<td colspan="2">ASCII*8</td>
<td colspan="2">MIN</td>
<td colspan="2"><p>“XXXXX.XX”</p>
<p>(space padded)</p>
<p>Range: 10.00 to</p>
<p>59.00</p>
<p>Default: 50.00</p></td>
<td colspan="2">0.01</td>
<td></td>
</tr>
<tr class="odd">
<td>42731-42734</td>
<td>Thresh. No. Gage-Radar Pairs</td>
<td colspan="2">ASCII*8</td>
<td colspan="2">N/A</td>
<td colspan="2"><p>“XXXXX.XX”</p>
<p>(space padded)</p>
<p>Range: 6.00 to</p>
<p>30.00</p>
<p>Default: 10.00</p></td>
<td colspan="2">0.01</td>
<td></td>
</tr>
<tr class="even">
<td>42735-42738</td>
<td>Reset Bias Value</td>
<td colspan="2">ASCII*8</td>
<td colspan="2">N/A</td>
<td colspan="2"><p>“XXXXX.XX”</p>
<p>(space padded)</p>
<p>Range: 0.50 to</p>
<p>2.00</p>
<p>Default: 1.00</p></td>
<td colspan="2">0.01</td>
<td></td>
</tr>
<tr class="odd">
<td>42739-42742</td>
<td>Longest Allowable Lag</td>
<td colspan="2">ASCII*8</td>
<td colspan="2">HOURS</td>
<td colspan="2"><p>“XXXXX.XX”</p>
<p>(space padded)</p>
<p>Range: 100.00 to</p>
<p>1000.00</p>
<p>Default: 168.00</p></td>
<td colspan="2">0.01</td>
<td></td>
</tr>
<tr class="even">
<td>42743-42746</td>
<td>Bias Applied Flag</td>
<td colspan="2">ASCII*8</td>
<td colspan="2">N/A</td>
<td colspan="2"><p>“XXXXXXXX”</p>
<p>(space padded)</p>
<p>Range: T or F</p>
<p>Default: F</p></td>
<td colspan="2">N/A</td>
<td></td>
</tr>
<tr class="odd">
<td></td>
<td colspan="9"><p><strong>BEGINNING OF THE SUPPLEMENTAL SUB-LAYER OF
DHR</strong></p>
<p><strong>ALPHANUMERIC LAYER</strong></p></td>
<td></td>
</tr>
<tr class="even">
<td>42747-42750</td>
<td colspan="2">Supplemental data header</td>
<td colspan="2">ASCII*8</td>
<td colspan="2"><strong>N/A</strong></td>
<td colspan="2">“SUPL(nn)”</td>
<td>N/A</td>
<td>nn is the number of elements of information which follow</td>
</tr>
<tr class="odd">
<td>42751-42754</td>
<td colspan="2">Average Scan Date</td>
<td colspan="2">ASCII*8</td>
<td colspan="2">Julian Dalys</td>
<td colspan="2">0-99999</td>
<td>1</td>
<td></td>
</tr>
<tr class="even">
<td>42755-42758</td>
<td colspan="2">Average Scan Time</td>
<td colspan="2">ASCII*8</td>
<td colspan="2">Sec</td>
<td colspan="2">0-86399</td>
<td>1</td>
<td></td>
</tr>
<tr class="odd">
<td>42759-42762</td>
<td colspan="2">Flag Zero Hybrid</td>
<td colspan="2">ASCII*8</td>
<td colspan="2">N/A</td>
<td colspan="2">0 or 1</td>
<td>1</td>
<td></td>
</tr>
<tr class="even">
<td>42763-42766</td>
<td colspan="2">Rain Detection Flag</td>
<td colspan="2">ASCII*8</td>
<td colspan="2">N/A</td>
<td colspan="2">0 or 1</td>
<td>1</td>
<td></td>
</tr>
<tr class="odd">
<td>42767-42770</td>
<td colspan="2">Reset STP Flag</td>
<td colspan="2">ASCII*8</td>
<td colspan="2">N/A</td>
<td colspan="2">0 or 1</td>
<td>1</td>
<td></td>
</tr>
<tr class="even">
<td>42771-42774</td>
<td colspan="2">Precip. Begin Flag</td>
<td colspan="2">ASCII*8</td>
<td colspan="2">N/A</td>
<td colspan="2">0 or 1</td>
<td>1</td>
<td></td>
</tr>
<tr class="odd">
<td>42775-42778</td>
<td colspan="2">Last Date Rain</td>
<td colspan="2">ASCII*8</td>
<td colspan="2">Julian Days</td>
<td colspan="2">0-99999</td>
<td>1</td>
<td></td>
</tr>
<tr class="even">
<td>42779-42782</td>
<td colspan="2">Last Time Rain</td>
<td colspan="2">ASCII*8</td>
<td colspan="2">Sec</td>
<td colspan="2">0-86399</td>
<td>1</td>
<td></td>
</tr>
<tr class="odd">
<td>42783-42786</td>
<td colspan="2">Rejected Blockage Counter</td>
<td colspan="2">ASCII*8</td>
<td colspan="2">N/A</td>
<td colspan="2">0-82800</td>
<td>1</td>
<td></td>
</tr>
<tr class="even">
<td>42787-42790</td>
<td colspan="2">Rejected AP/Clutter Counter</td>
<td colspan="2">ASCII*8</td>
<td colspan="2">N/A</td>
<td colspan="2">0-82800</td>
<td>1</td>
<td></td>
</tr>
<tr class="odd">
<td>42791-42794</td>
<td colspan="2">Total Bins Smooth</td>
<td colspan="2">ASCII*8</td>
<td colspan="2">N/A</td>
<td colspan="2">0</td>
<td>1</td>
<td>Not implemented</td>
</tr>
<tr class="even">
<td>42795-42798</td>
<td colspan="2">Pecentage Filled Hybrid Scan</td>
<td colspan="2">ASCII*8</td>
<td colspan="2">N/A</td>
<td colspan="2">0.00 to 100.00</td>
<td>0.01</td>
<td></td>
</tr>
<tr class="odd">
<td>42799-42802</td>
<td colspan="2">Highest Elevation Angle</td>
<td colspan="2">ASCII*8</td>
<td colspan="2">N/A</td>
<td colspan="2">0.50 to 19.50</td>
<td>0.01</td>
<td></td>
</tr>
<tr class="even">
<td>42803-42806</td>
<td colspan="2">Rain Summation Area</td>
<td colspan="2">ASCII*8</td>
<td colspan="2">N/A</td>
<td colspan="2">&gt;= 0.00</td>
<td>0.01</td>
<td></td>
</tr>
<tr class="odd">
<td>42807-42810</td>
<td colspan="2">Volume Spot Blank</td>
<td colspan="2">ASCII*8</td>
<td colspan="2">N/A</td>
<td colspan="2">0 to 1</td>
<td>1</td>
<td></td>
</tr>
<tr class="even">
<td></td>
<td colspan="9"><strong>BEGINNING OF THE BIAS TABLE SUB-LAYER OF DHR
ALPHANUMERIC LAYER</strong></td>
<td></td>
</tr>
<tr class="odd">
<td>42811-42814</td>
<td>Bias Table data header</td>
<td colspan="2">ASCII*8</td>
<td colspan="2">N/A</td>
<td colspan="2">“BIAS(mm)”</td>
<td colspan="2">N/A</td>
<td>From HSEB DPA Decoder doc; mm is the number of lines of information
including header and data lines</td>
</tr>
<tr class="even">
<td>42815-42818</td>
<td>Time Last Update of Local Bias Value</td>
<td colspan="2">ASCII*8</td>
<td colspan="2">Sec</td>
<td colspan="2">0-86399</td>
<td colspan="2">1</td>
<td>ICD for Product Specification 2620003</td>
</tr>
<tr class="odd">
<td>42819-42822</td>
<td>Date Last Update of Local Bias Value</td>
<td colspan="2">ASCII*8</td>
<td colspan="2">Julian Days</td>
<td colspan="2">0-99999</td>
<td colspan="2">1</td>
<td></td>
</tr>
<tr class="even">
<td>42823-42826</td>
<td>Time of Last Update of Local Bias Table</td>
<td colspan="2">ASCII*8</td>
<td colspan="2">Sec</td>
<td colspan="2">0-86399</td>
<td colspan="2">1</td>
<td></td>
</tr>
<tr class="odd">
<td>42827-42830</td>
<td>Date of Last Update of Local Bias Table</td>
<td colspan="2">ASCII*8</td>
<td colspan="2">Julian Days</td>
<td colspan="2">0-99999</td>
<td colspan="2">1</td>
<td></td>
</tr>
<tr class="even">
<td>42831-42834</td>
<td>Observation Time of Latest Bias Table</td>
<td colspan="2">ASCII*8</td>
<td colspan="2">Sec</td>
<td colspan="2">0-86399</td>
<td colspan="2">1</td>
<td></td>
</tr>
<tr class="odd">
<td>42835-42838</td>
<td>Observation Date of Latest Bias Table</td>
<td colspan="2">ASCII*8</td>
<td colspan="2">Julian Days</td>
<td colspan="2">0-99999</td>
<td colspan="2">1</td>
<td></td>
</tr>
<tr class="even">
<td>42839-42842</td>
<td>Generation Time of Latest Bias Table</td>
<td colspan="2">ASCII*8</td>
<td colspan="2">Sec</td>
<td colspan="2">0-86399</td>
<td colspan="2">1</td>
<td></td>
</tr>
<tr class="odd">
<td>42843-42846</td>
<td>Generation Date of Latest Bias Table</td>
<td colspan="2">ASCII*8</td>
<td colspan="2">Julian Days</td>
<td colspan="2">0-99999</td>
<td colspan="2">1</td>
<td></td>
</tr>
<tr class="even">
<td>42847-42850</td>
<td>Mean-Field Bias Estimate</td>
<td colspan="2">ASCII*8</td>
<td colspan="2">N/A</td>
<td colspan="2">.01-100.</td>
<td colspan="2">.01</td>
<td>ICD for Product Specification 2620003</td>
</tr>
<tr class="odd">
<td>42851-42854</td>
<td>Effective G-R Pair</td>
<td colspan="2">ASCII*8</td>
<td colspan="2">N/A</td>
<td colspan="2">0.00-999.99</td>
<td colspan="2">.01</td>
<td>ICD for Product Specification 2620003</td>
</tr>
<tr class="even">
<td>42855-42858</td>
<td>Memory Span</td>
<td colspan="2">ASCII*8</td>
<td colspan="2">N/A</td>
<td colspan="2">0.001-10.**7</td>
<td colspan="2">.001</td>
<td>ICD for Product Specification 2620003</td>
</tr>
</tbody>
</table>

**\[GRAPHIC ALPHANUMERIC BLOCK IS NOT USED BY DHR\]**

**\[TABULAR ALPHANUMERIC BLOCK IS NOT USED BY DHR\]**

[References]{.underline}

"Decoding of DPA Products", published by OHD/HSEB, updated as of AWIPS
Release OB3 (1/8/04)

+-----+--------------+------+-------+----------+----------+----------+
| *   | *            | **TY | **UN  | *        | **PREC   | *        |
| *HA | *FIELDNAME** | PE** | ITS** | *VALUE** | ISION/** | *NOTES** |
| LF- |              |      |       |          |          |          |
| WOR |              |      |       |          | **AC     |          |
| D** |              |      |       |          | CURACY** |          |
+-----+--------------+------+-------+----------+----------+----------+
| \(  | Blank        | A    | N/A   | " "      | N/A      |          |
| n\) |              | SCII |       |          |          |          |
| --  |              |      |       |          |          |          |
| (n+ |              |      |       |          |          |          |
| 29) |              |      |       |          |          |          |
+-----+--------------+------+-------+----------+----------+----------+
| (n+ | Nulls        | IN   | N/A   | 0        | N/A      | Variable |
| 30) |              | T\*2 |       |          |          | number   |
| --  |              |      |       |          |          | of Nulls |
| (n+ |              |      |       |          |          |          |
| ... |              |      |       |          |          |          |
| ..) |              |      |       |          |          |          |
+-----+--------------+------+-------+----------+----------+----------+

**The following is an example of the alphanumeric layer (layer 2)** **of
the DHR product, as rendered by CODE cvt.**

\*\*\* ORPG DATABASE PRODUCT LOAD UTILITY \*\*\*

-\> Number of Products Available=171

-\> Message ID=163

-\> Product Info: LBuffer# 057 MSGLEN 085812 VOLNUM 05 ELEV 03

-\> Set Processing ONLY for Layer Number 2

packet code 1 found

Packet 1: Write Text (No Value) Summary Information

Length of Data Block (in bytes) = 596

I Starting Point: 0

J Starting Point: 0

Message to follow:

**PSM ( 6)** 0 0 0 0 0 0 **ADAP(38)** 0.90 50.00

50.00 50.00 99.70 -32.00 20.00 80.00 60.00 300.00 1.40 0.00

70.00 0.00 25.00 15.00 200.00 24.00 13.20 200.00 230.00 0.00

1.00 0.00 0.00 103.80 60.00 30.00 54.00 400.00 0.00 400.00

800.00 50.00 10.00 1.00 168.00 F **SUPL(15**) 10460 48192 0

1 0 0 10460 48192 0 1575 0 99.98 2.40

14244.86 0 **BIAS(11**) 47040 10460 0 0 72000 11695 75453

11695 1.2550 13.49 168.

program complete