On this episode, Christian visits with Jason, W3AAX. Jason is the North American Coordinator of the Worldwide Flora and Fauna program. We also get and introduction to the JT65 mode, and we learn what it was like to learn the code in the military.
In this project the Raspberry Pi with the PiCam is used as a wireless camera which can transmit images over long distances, usually hundreds of meters! Images are transmitted by amateur radio (ham radio) using slow scan television (SSTV) on the 2 meter band (144.5MHz) Source: Link Read more
by:Al Williams Morse code qualifies as a digital mode, although organic brains are somewhat better at copying it than electronic ones. Ham radio operators that did “phone” (ham-talk for voice) started out with AM modulation. Sometime after World War II, there was widespread adoption of single side band or SSB. SSB takes up […] Read more
A Directed Messaging System for FSQ Introducing FSQCall Sending text using FSQ is generally very reliable, certainly more so than other digital modes that use no error correction. It is also very ‘slick’ (quick to tune, fast typing, and with no delays between overs). In other words an ideal mode for more advanced applications. Therefore, […] Read more
Rick Peterson, WA6NUT, in Colorado, is promoting FreeDV plus Video, a digital voice-plus-video application for HF. According to Peterson’s QRZ.com profile,FreeDV plus Video is a soundcard-based scheme to add a 1 frame/second, 36-line video image on the receiving station’s PC display. The signal bandwidth is 3.5 kHz, so it may not be compatible with all […] Read more
The hard-working development team led by W1HKJ have announced the release of Fldigi v3.23.16. This version of Fldigi is a maintenance release with a variety of bug fixes and several new features. Full details are available in the ReadMe file available for download and below this announcement. As with all of the FL suite, Fldigi continues to support both PowerPC and Intel (i386) processors; with individual […] Read more