ComTekk AvCall makes use of the computer sound card and software DSP (Digital Signal Processing) techniques to decode and instantly display aviation SELCAL codes, a 2 2 tone signaling system used to "page" aircraft via HF (or VHF) radio on
ShipPlotter displays complete information about ships that are within VHF range of your position using the Universal Automatic Identification System (AIS). AIS uses very short bursts of high speed data on two VHF channels in the marine band.
Free software for listening to Internet Radio. It is possible to record the selected channel radio to mp3 file, folder "XRadio_sound" with the recorded files automatically created in the same where you run the program "Xstar Radio".
SilverTV enables to freely get more than 2700 online TV and Radio channel broadcasts. The program has nice real LCD TV interface and so more nicely than watch TV on standard windows programs. The channels are organized by country and categories.
Yagi Calculator will help any radio enthusiast to design and build his/her own DL6WU yagis for VHF/UHF, meeting the criteria developed from the work of Guenter Hoch. I have found this program easy to install.