AT-197A/GR
Ground-Air Communications | UHF
The AT-197A/GR military antenna is designed for broad-band omni-directional ground-based communications with aircraft. It is extended for use with Radio Sets AN/GRC-27, AN/GRC-29, and AN/TRC-32, which communicate with UHF command radio sets in aircraft and such ground UHF stations in the terminal area. The antenna is produced and qualified to Military Specification MIL-DTL-4946. The antenna mounting is made very versatile via a cast aluminum bracket which is furnished with the antenna.
| Model | AT-197A/GR |
| NSN/Cage | 5985-00-784-0432 |
| Application | Ground-Air Communications |
| Frequency | 225-400 MHz |
| Impedance | 50 Ohms Nominal |
| Gain | -0.3 dBd |
| VSWR | 1.6:1 Maximum |
| Polarization | Vertical |
| Pattern | Omni-Directional |
| Connector | “HN” Female |
| RF Power Capacity | 1000 Watts Continuous |
| Max. Weight | 8 lbs. |
| Color | CARC Green |









