The reason for this seemingly arbitrary designation is that many ham-band and SWL communications receivers operate down to 100 kHz and only a few operate below that limit. A lot of radio stations are ...

Communications receivers ... a test receiver for performance measurements and maintenance work at a cellular telephone site, which in the extremes are located either in rural or densely-populated ...

The arrival of affordable software defined radio ... receivers. He’s mounted it and its control PC in the chassis of a very aged and non-functional Marconi CR100 communication receiver, and ...

There are two ways to deal with improving ham radio receivers, or — for that matter — any sort of receiver. You can filter and modify the radio frequency including the radio’s intermediate ...

But in order for the signals to reach all the way and not be disturbed along the way, hypersensitive receivers ... sensitive receiver, paves the way for faster and improved space communication.