What are ham radios? In short, ham radio operators are amateur radio enthusiasts who communicate with one another via radio frequencies assigned specifically to this community by the Federal ...

So far in the $50 Ham series, I’ve concentrated mainly on the VHF and UHF bands. The reason for this has to do mainly with FCC rules, which largely restrict Technician-level licensees to those bands.

The circuit was designed to create an automatic repeater that would retransmit a received signal over the amateur radio frequency band. Repeater – a device that regenerates information at a higher ...

[Tom Hall], along with many hams around the world, have been hacking the Silicon Labs Si5351 to create VFOs (variable frequency oscillators) to control receivers and transmitters. You can see the ...