The 4045 Automatic HF Antenna Tuner, the 4049 Automatic Tuning Mobile HF Antenna and the 411 Automatic HF Antenna Tuner have been specifically designed to interface with Barrett 4000 series ...

With the progress and rapid increase in mobile terminals, the design of antennas for these small systems is becoming more and more important. This forward-looking volume offers professionals current ...

The antenna is mobile and sometimes I take it to SWL on the open air ... I've never used it for transmitting because my current amateur radio license doesn't permit transmitting on HF bands. The final ...

The antenna is a Ham ... was with [WA7FLY], another mobile operator whose ride is even more unique: a 737 flying over Yuma, Arizona. We always knew commercial jets have HF rigs, but it never ...

This paper describes the results from experiments in which compact heterogeneous antenna arrays have been employed. The results of these experiments indicate that traditional spaced HF antenna arrays ...

This series embodies the essential capabilities base station antennas will need in the mobile AI era, namely high efficiency, digitalization, and easy deployment. Huawei's Alpha series is the ...