Our May meeting topic will be PSK-31. A popular digital mode that has been around for about ten years, PSK-31 uses phase shift keying, a modulation technique that takes up far less bandwidth than conventional Radio Teletype (RTTY). Unlike RTTY, PSK-31 steals a concept from Morse Code - a variable length character set was devised so that more common letters take less time to transmit. This increases the "effective" data rate. PSK-31 lends itself mostly to rag chewing, but DX chasers and contesters are playing with it as well. Best of all, there is no expensive equipment to buy. Just about any SSB transceiver built after 1980 will work (I've operated PSK-31 successfully with my HW-101, built in 1974!) along with a PC that has a sound card and a CPU that's a 486 or better. The meeting will feature a hands-on PSK-31 demonstration, and a discussion focused on how PSK-31 works and how to get started.
International Marconi Day is April 26, 2008
Radio Central Day QSL Status
If you sent us a card and we received it before December 5, you should have received a card from us by now. Click here for a list of stations to whom we have already sent cards. We plan to do our next mailing of QSL's sometime before January 15, so, if you are not on the list yet, we'll be getting to you soon.
Audio from the AO-51 Sputnik Anniversary Special Event
On October 3rd, the AO-51 satellite broadcast a special message commemorating the 50th anniversary of the Sputnik launch. click here to find out more.
Here is a sound bite of the famous "beep-beep-beep" signal, originally received from Sputnik in 1957, shaking the rafters of the world scientific community.
Radio Active Award Program
Photos from July 2006 Meeting
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