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...

2008 W2RE finished a 4 month antenna project that swapped out antennas and added antennas to maximize gain using HFTA. The new antennas and stacks will maximize gain with the guide of the HFTA (N6BV) software.

Terry, W0VB, describes his rural station for working EME, aurora and meteor weak signals on 2 meters using a Software Defined Radio (SDR) Flex Radio Systems SDR-1000. The video contains an aurora contact with VE3AK and also a tour of Terry's six Yagi array.

Terry, W0VB, describes his rural station for working EME, aurora and meteor weak signals on 2 meters using a Software Defined Radio (SDR) Flex Radio Systems SDR-1000. The video contains an aurora contact with VE3AK and also a tour of Terry's six Yagi array.

Rocky software decoding BPSK31 on 40m from Sofrock TX/RX v6.1. Improved video quality.

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...

Observations of electromagnetic (radio) signals on very low frequencies, 0 KHz - 10 KHz. Observed 10 may 2008, approx. 23.00 hour on 4,5. KHz: next to the original radio resonance of 4,5 KHz there is another resonance (spectrum on approx. 10 KHz), that comes in and fades away after 30 minutes....

Some 30 years ago this picture was received from Venezuela on early SSTV. Then no home computers could handle the speed needed to display the picture, more...no re transmitted using modern software MMSSTV

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...