PRELIMINARY TECHNICAL PRODUCT DATA SHEETGNSS-3A
GNSS Active Antenna

DESCRIPTIONThe GNSS-3A is a professional grade, active GNSS
antenna designed for long term reliability. It is smalland lightweight, with exceptional protection against theelements.
Designed to support the Warfighter, the portable, yet
precise GNSS antenna is built for tough applications.
The radome is made of a high-grade polymer, with adesign to protect from UV, rain, lightning, chemical andjet fuels The GNSS-3A is available with a bottom
mount connector and multiple colors(per FED-STD-595B).

FEATURES

Military and Civilian Applications
GNSS Bands:- GPS L1, L2, L5- GLONASS L1, L2 and L3- GALILEO E1, E5b, E6Waterproof
 Excellent gain Small Form Factor
 Bottom Mount
OPTIONSThe GNSS-3A comes with many available options tomeet specific needs. Please contact GPS Source via
phone, email, or visit the website for further information
on product options and specifications.

GNSS-3A Data Sheet
059-FAN-AHD-EEY-RYZ-005
12/23/2019www.gpssource.com

AS9100 and ISO 9001 Compliant Company

1GNSS-3A Specifications
Table 1-1.

Electrical Specifications

Operating Temperature -54°C to 71°C
Parameter
Frequency Range(Passband)

Conditions
GNSS Upper BandGNSS Lower Band

Ant: Output = 50

MinTypMax

1559

1575.42

1610

1189

1227.60

1254

Out Impedance

Element Gain

LNA Gain> +3

GPS L2>+0

GPS L5>-5

GLONASS L1>+3

GLONASS L2
GLONASS L3> -3

Output = 50, 4 ft G.P.

> +3

Galileo E5> -3

Galileo E5b> +5Galileo E6>-3

GPS L1> +30

GPS L2> +30

GPS L5> +30

GLONASS L1> +30

GLONASS L2> +30

Output = 50

GLONASS L3dBiC> -5

Galileo E1dB> +30

Galileo E1> +30

Galileo E5>+30

Galileo E5b> +30

Galileo E6MHz50
GPS L1Units> +30

Output SWR

Output = 50

Required DC Input Voltage

3LNA Current

Output = 50

2:1—

12VDC

50mA

LNA OP1dB Compression

10dBm

LNA OIP315dBm

Noise Figure

3.0Polarization

Right Hand Circular

Axial Ratio at Peak< 2.8 dB Max

Beam Width

110 +/-5 at -3dB from Peak (Free Space)

Altitude50,000 ft

Lightning Protection

DC to Ground on the Antenna Element

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GNSS-3A Data Sheet
059-FAN-AHD-EEY-RYZ-005
12/23/2019

dB2Performance Data

2.1

L1 Center Frequency
Figure 2-1.

2.2

Far Field Plots No Ground Plane

L2 Center Frequency
Figure 2-2.

Far Field Plots No Ground Plane

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GNSS-3A Data Sheet
059-FAN-AHD-EEY-RYZ-005
12/23/2019

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3

Environmental and EMI/EMC Requirements
The GNSS-3A has been designed to meet the following requirements.
Table 3-1.

MIL-STD-810 & 461F Requirements

Environment

MIL-STD-Requirements

Mechanical Vibration

810G

Mtd 514.6, Proc. I

Functional Shock

810G

Mtd 516.6, Proc. I

Crash Hazard Shock

810G

Mtd 516.6, Proc. V

High Temperature

810G

Mtd 501.5, Proc. I & II

Low Temperature

810G

Mtd 502.5, Proc. I & II

Temperature Shock

810G

Mtd 503.5, Proc. I-C

Altitude810G

Mtd. 500.5, Proc. II & III

Humidity

810G

Mtd 507.5, Proc. II

Salt Fog

810G

Mtd 509.5

Fungus810G

Mtd 508.6

Sand and Dust:

810G

Mtd 510.5, Proc. I & II

Conducted Emissions

461F

CE106Radiated Emissions

461F

RE102

Radiated Susceptibility

461F

RS103

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GNSS-3A Data Sheet
059-FAN-AHD-EEY-RYZ-005
12/23/2019

4Product Options
Table 4-1.

GNSS-3A Available Options

TypeOptions

Connector

Mount

Male and Female

SMA

Male and Female

TNCFemale

BottomColor(FED-STD-595B)

5N

White

Gloss

Black

Matte

Olive Green

Matte

Desert Sand(Standard)

Matte

Gray

Matte

Product Code Decoder
G N S S - 3 A - XX - XX - XX
Antenna
GNSS-3A = Bottom Mount GLONASS
Active Antenna
Mount
Blank = Bottom Mount
PM = Pole Mount
PL = Pedestal

Note:Connector Option
NF = N ... Female
NM = N ... MaleSF = SMA.... Female
SM = SMA .... Male
TF = TNC .... Female
Color
WHBLOBlank
G=====WhiteBlack
Olive Green
Desert Sand (Tan) (Standard)
Matte Grey

To have product/part codes customized to meet exact needs, contact GPS Source at GPSS-Sales@gd-ms.com orvisit the website at www.gpssource.com.

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GNSS-3A Data Sheet
059-FAN-AHD-EEY-RYZ-005
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6

Mechanical Drawing6.1

GNSS-3A GNSS Active Antenna

GPS Source Part No.

FinishGNSS-3A

Size

N/A

Description

Material

GNSS ACTIVE BOTTOM MOUNTTNC(F) ANTENNA

MassC.59 lbs

Tolerances
Linear.X.XX.XXX

3rd Angle Projection

SEE BOM

Angular= ± .1±1˚= ± .01
RADII= ± .005 See Linear

Dimensions are in inches unless otherwise specified. IAW ASME Y14.5M - 1994

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GNSS-3A Data Sheet
059-FAN-AHD-EEY-RYZ-005
12/23/2019

GNSS-3A Data Sheet
059-FAN-AHD-EEY-RYZ-005
Page 7 of 7, 12/23/2019

2121 Executive Cir., Ste 100
Colorado Springs, CO 80906
Phone: (+1)(719) 421.7300
GPSS-Sales@gd-ms.com
www.gpssource.com
AS9100 and ISO 9001 Compliant CompanyX X© 2014 GPS Source, Inc. All rights reserved.

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