What is Hellschreiber. Hellschreiber is a German name, meaning "bright writing", or "clear writing". Hellschreiber is anything but a new mode. It was first patented in 1929 which makes it the oldest machine generated data transmission mode used in amateur radio. To put this in perspective, SSB...

Best viewed in high quality. Burt, K1OIK reviews the Flex 5000A Software Defined amateur radio.

Operating my station remotely. I use three pieces of software. First is TRX-Manager to control the radio. See my video on TRX-Manager. Second, remote desktop software. This allows me to control the radio computer from a remote computer. I use Logmein.com free program to manage and setup the...

This video of 30-meter operation was made at a location where the BPL system exceeded the emissions limits. In this case, the 35 dB notching was not adequate to protect Amateur Radio. Generation 2 BPL systems can operate compatibly near Amateur Radio operation, but they must be adjusted and...

D-STAR (Digital Smart Technologies for Amateur Radio) is a digital voice and data protocol specification developed as the result of research by the Japan Amateur Radio League to investigate digital technologies for amateur radio.

This Video is from the world of amateur radio. It is a story about RQ54L quad antenna installation on a rural position of RA9FTM radiostation

Slow Scan TV using my Yaesu FT-847 on 14.230Mhz (20 Meter Band) Although we can now send pictures via more...e-mail, What Fun it is to send and receive them via Radio with the Only thing between you and the other person is the Air we breath!! :-) SSTV is a method of Sending and Receiving...

Training film on the BC-1306, SCR-694 field radio. Part 2 of 3

Signal Corps Training film for the SCR-694, BC-1306 field radio. PART 1 of 3

Clip of 80m high rotaiting antena on the train platform. HF large antena for broadcast Radio station from 3Mhz to 30Mhz installation on the train platforn to rotating antenna pattern. Very impressive.