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:
Photo: KK4KF. [Courtesy of the Okaloosa County Sheriff’s Office] An Okaloosa County, Florida, deputy sheriff who was also a radio amateur died... Read more
Active for the past 2 days in response to the threat posed by Hurricane Matthew, the Hurricane Watch Net (HWN) now has ramped up to its Alert Level 5... Read more
Ameritron SDC-104 Super accurate tuning . . . Ultra-fast . . . Extremely Reliable . . . 88 memories . . . StallProtector . . .Fully RFI protected . .... Read more
Ears does a lot of cool stuff, but we always need new members so that we can do even more cool things. If you’d like to join in just visit surre... Read more