All Products Available on GSA Advantage GSA # GS-35F-0606R





The TG-3 antenna comes with a 36” 3/8 aluminum rod whip and can be tuned to Marine VHF Frequency, AIS, or any frequency within the 144-174 MHz VHF spectrum, (cut chart included). The base station antenna is suitable for both land and sea application and is hermetically sealed in a stainless steel canister to ensure life longevity. This American made product is hand wound and factory tuned to ensure peak performance.

Total Length of the Antenna Whip is 36″ (MHz Cut Chart is Included)
The Antenna should be trimmed to length to establish the desired Frequency
A Marine VHF antenna is center tuned to 156.8MHz (Whip needs to be cut to 33”)
An AIS VHF antenna is center tuned to 162.0 MHz (Whip needs to be cut to 31.75”)

  • Hand-wound loading coil is factory tuned and tested to insure peak performance at a specified frequency
  • Coil is hermetically sealed to prevent moisture damage
  • No ground plane required


  • GAM Model No. TG-3
  • Length (aluminum run): 36″
  • Number of Sections: 1
  • Connector Supplied: SO-239
  • Fully Assembled Dimensions 41.5” X 2” X 2”
  • Applications: AIS or VHF Marine Band (Cut to Proper Length)
    • Frequency Range: 144 – 174 MHz
    • Cut Length to Proper Frequency for Application
  • Gain: 3 dB, 5.1 dBi
  • Max. Output Power: 500 Watts
  • Note: Cable Sold Separately
  • Use RG 58 for runs less than 20 feet
  • Use RG-8X for runs over 20 feet

Additional information

Weight 32 oz
Dimensions 47 × 4.25 × 4.25 in

144-174 MHz

Whip Length

36" whip with cut chart


 1.5:1 or less

Gain in DB

 3 dbd, 5.1 dbi

Power Rating

500 Watts