Eric: If you get that DRM transmitter built please feel free to broadcast the Listening Lounge. See you soon.
David On Feb 28, 2007, at 1:48 PM, Eric A. Cottrell wrote: > Kim Andrew Elliott wrote: >> Vatican Radio proposes a trans-Atlantic test of DRM to the Fest, >> 1300-1400 UTC on 15460 kHz. If anyone is near a shortwave radio at >> 1300-1400, could you check to see if that frequency is clear? >> >> We might also get a DRM transmission from Woofferton during our >> evening. >> >> Confirmed are DRM transmissions from HCJB, RCI, and TDF French >> Guiana. >> >> Thanks >> >> Kim > > Hello, > > I forgot to mention that I will be bringing an Elad 10.7 MHz to 12 KHz > converter with me so any radios with 10.7 MHz output could also be > used > for DRM. I use it with my AOR 5000 for DRM reception and it does way > better than the "No-Mod" Mod for the AOR 5000. > > I wanted to setup a DRM transmitter and be the first(?) North American > DRM pirate with Radio Kulpsville International on 174 or so KHz. I > ordered the parts but likely have no time to build it completely. It > would be great for the DRM demo. > > The heart of the transmitter is the USRP, a software-defined radio > that > works with GNUradio. The idea is to send a 12 KHz DRM output to a > computer running GNURadio which converts it to the final frequency and > sends it out the LFTX board on the USRP. > > The Hardware > http://www.ettus.com/ > The Software > http://www.gnu.org/software/gnuradio/ > > I have done something similar on the receive side for DRM with a 10.7 > MHz IF going to the LFRX board on the USRP and coming out the line out > of the computer as 12 KHz IF. > > Besides the converter I also wrote a FM SCA Decoder that is now > included > in the GNURadio Samples. There is also an interesting FM RDS (RDBS) > decoder as well. > > I am still bringing the USRP as a digital radio as I am sure some > people > at the fest will be interesting in seeing it in action. Plus I > want to > see what SCA is like in Philly. > > 73 Eric > _______________________________________________ > Swlfest mailing list > [email protected] > http://montreal.kotalampi.com/mailman/listinfo/swlfest > > To unsubscribe: Send an E-mail to [EMAIL PROTECTED] > dx.com?subject=unsubscribe, or visit the URL shown above. > > For more information on the Fest, visit: > > http://www.swlfest.com > http://swlfest.blogspot.com _______________________________________________ Swlfest mailing list [email protected] http://montreal.kotalampi.com/mailman/listinfo/swlfest To unsubscribe: Send an E-mail to [EMAIL PROTECTED], or visit the URL shown above. For more information on the Fest, visit: http://www.swlfest.com http://swlfest.blogspot.com
