The Q159 Series antennas are amplitude tracked on a 100% basis versus factory standards, ensuring interchangeability at the system level. In addition, the axial ratio is extremely low (considering the low frequency cutoff versus the nominal 2” diameter of the antenna) over the majority of a hemisphere. Together, these characteristics make the Q159 Series of antennas an ideal element for array and DF applications.
Q159 Series Antenna Specifications
| Frequency range | 2.0 - 18.0 GHz |
| VSWR | 2.5:1 nom |
| Gain | See graph |
| Gain tracking, on axis | ±1 dB |
| Polarization | |
| Q159-1 | LHCP |
| Q159-2 | RHCP |
| Beamwidth | 80 degrees nom |
| Axial ratio boresight | 3 dB max |
| Beam squint | ± 6 degrees max |
| Power handling | 1 watt CW |
| Connector | SMA Female |
| Weight | 0.25 lbs max |
| Finish | |
| -1-1, -2-1 | Gray, Color 36231 per FED-STD-595 |
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