Friday, May 1, 2015 the Ham Video transmitter on board the Columbus module of the International Space Station was powered on and started transmitting in “Blank Transmission” (BT) mode.
In this mode, the transmitter is operated without camera. The digital TV signal is fully formatted, but the content of the video is black and the content of the audio is at zero level. From a technical perspective, the BT signal is all that is needed for testing and fine tuning ground stations.
The European network of chained ground stations is presently nearly complete. Six ground stations span the continent in “X” formation. For each ascending pass over Europe, four stations provide about ten minutes of solid copy and the same is true for descending passes:
Read Full Article:
The Canadian inventor, experimenter, and entrepreneur Reginald Fessenden has been credited as the inventor of radiotelephony. Fessenden claimed to hav... Read more
What this lad has done with this screen for the 817 is astounding. CAT, CW decoder, waterfall, frequency readout, audio filter and audio recording. Wh... Read more
A multi-band wire antenna that performs exceptionally well even though it confounds antenna modeling software Article by W5GI ( SK ) The design... Read more
Warning: file_get_contents(https://plusone.google.com/_/+1/fastbutton?url=https%3A%2F%2Fqrznow.com%2Fiss-hamtv-now-transmitting-on-2395-mhz%2F): failed to open stream: HTTP request failed! HTTP/1.0 404 Not Found
in /home/qrznow/public_html/wp-content/themes/goodnews5/framework/functions/posts_share.php on line 151