###### Editorial Note on Part 97

#### Editorial Note:

Nomenclature changes to part 97 appear at 63 FR 54077, Oct. 8, 1998.

#### § 97.305 Authorized emission types.

(a) Except as specified elsewhere in this part, an amateur station may transmit a CW emission on any frequency authorized to the control operator.

(b) A station may transmit a test emission on any frequency authorized to the control operator for brief periods for experimental purposes, except that no pulse modulation emission may be transmitted on any frequency where pulse is not specifically authorized and no SS modulation emission may be transmitted on any frequency where SS is not specifically authorized.

(c) A station may transmit the following emission types on the frequencies indicated, as authorized to the control operator, subject to the standards specified in § 97.307(f):

| Wavelength band | Frequencies | Emission types authorized | Standards see § 97.307,
paragraph(s): |
| --- | --- | --- | --- |
| (1) LF: | | | |
| (i) 2200 m | Entire band | RTTY, data | (f)(3). |
| (ii) 2200 m | Entire band | Phone, image | (f)(1), (2). |
| (2) MF: | | | |
| (i) 630 m | Entire band | RTTY, data | (f)(3). |
| (ii) 630 m | Entire band | Phone, image | (f)(1), (2). |
| (iii) 160 m | Entire band | RTTY, data | (f)(3). |
| (iv) 160 m | Entire band | Phone, image | (f)(1), (2). |
| (3) HF: | | | |
| (i) 80 m | Entire band | RTTY, data | (f)(3), (9). |
| (ii) 75 m | Entire band | Phone, image | (f)(1), (2). |
| (iii) 60 m | 5.332, 5.348, 5.3585, 5.373 and 5.405 MHz | Phone, RTTY, data | (f)(14). |
| (iv) 40 m | 7.000-7.100 MHz | RTTY, data | (f)(3), (9). |
| (v) 40 m | 7.075-7.100 MHz | Phone, image | (f)(1), (2), (9), (11). |
| (vi) 40 m | 7.100-7.125 MHz | RTTY, data | (f)(3), (9). |
| (vii) 40 m | 7.125-7.300 MHz | Phone, image | (f)(1), (2). |
| (viii) 30 m | Entire band | RTTY, data | (f)(3). |
| (ix) 20 m | 14.00-14.15 MHz | RTTY, data | (f)(3). |
| (x) 20 m | 14.15-14.35 MHz | Phone, image | (f)(1), (2). |
| (xi) 17 m | 18.068-18.110 MHz | RTTY, data | (f)(3). |
| (xii) 17 m | 18.110-18.168 MHz | Phone, image | (f)(1), (2). |
| (xiii) 15 m | 21.0-21.2 MHz | RTTY, data | (f)(3), (9). |
| (xiv) 15 m | 21.20-21.45 MHz | Phone, image | (f)(1), (2). |
| (xv) 12 m | 24.89-24.93 MHz | RTTY, data | (f)(3). |
| (xvi) 12 m | 24.93-24.99 MHz | Phone, image | (f)(1), (2). |
| (xvii) 10 m | 28.0-28.3 MHz | RTTY, data | (f)(3). |
| (xviii) 10 m | 28.3-28.5 MHz | Phone, image | (f)(1), (2), (10). |
| (xix) 10 m | 28.5-29.0 MHz | Phone, image | (f)(1), (2). |
| (xx) 10 m | 29.0-29.7 MHz | Phone, image | (f)(2). |
| (4) VHF: | | | |
| (i) 6 m | 50.1-51.0 MHz | MCW, phone, image, RTTY, data | (f)(2), (5). |
| (ii) 6 m | 51.0-54.0 MHz | MCW, phone, image, RTTY, data, test | (f)(2), (5), (8). |
| (iii) 2 m | 144.1-148.0 MHz | MCW, phone, image, RTTY, data, test | (f)(2), (5), (8). |
| (iv) 1.25 m | 219-220 MHz | Data | (f)(13). |
| (v) 1.25m | 222-225 MHz | RTTY, data, test MCW, phone, SS, image | (f)(2), (6), (8). |
| (5) UHF: | | | |
| (i) 70 cm | Entire band | MCW, phone, image, RTTY, data, SS, test | (f)(6), (8). |
| (ii) 33 cm | Entire band | MCW, phone, image, RTTY, data, SS, test, pulse | (f)(7), (8), and (12). |
| (iii) 23 cm | Entire band | MCW, phone, image, RTTY, data, SS, test | (f)(7), (8), and (12). |
| (iv) 13 cm | Entire band | MCW, phone, image, RTTY, data, SS, test, pulse | (f)(7), (8), and (12). |
| (6) SHF: | | | |
| (i) 5 cm | Entire band | MCW, phone, image, RTTY, data, SS, test, pulse | (f)(7), (8), and (12). |
| (ii) 3 cm | Entire band | MCW, phone, image, RTTY, data, SS, test | (f)(7), (8), and (12). |
| (iii) 1.2 cm | Entire band | MCW, phone, image, RTTY, data, SS, test, pulse | (f)(7), (8), and (12). |
| (7) EHF: | | | |
| (i) 6 mm | Entire band | MCW, phone, image, RTTY, data, SS, test, pulse | (f)(7), (8), and (12). |
| (ii) 4 mm | Entire band | MCW, phone, image, RTTY, data, SS, test, pulse | (f)(7), (8), and (12). |
| (iii) 2.5 mm | Entire band | MCW, phone, image, RTTY, data, SS, test, pulse | (f)(7), (8), and (12). |
| (iv) 2 mm | Entire band | MCW, phone, image, RTTY, data, SS, test, pulse | (f)(7), (8), and (12). |
| (v) 1 mm | Entire band | MCW, phone, image, RTTY, data, SS, test, pulse | (f)(7), (8), and (12). |
| (vi) 1 mm | Above 275 GHz | MCW, phone, image, RTTY, data, SS, test, pulse | (f)(7), (8), and (12). |

[54 FR 25857, June 20, 1989; 54 FR 39536, Sept. 27, 1989; 55 FR 22013, May 30, 1990, as amended at 55 FR 30457, July 26, 1990; 60 FR 15688, Mar. 27, 1995; 64 FR 51471, Sept. 23, 1999; 71 FR 66465, Nov. 15, 2006; 75 FR 27204, May 14, 2010; 77 FR 5412, Feb. 3, 2012; 82 FR 27215, June 14, 2017; 85 FR 64069, Oct. 9, 2020; 88 FR 85127, Dec. 7, 2023]