[Dyer13] sent in his Zune antenna mod. It’s a simple one, but we haven’t seen too many Zune mods yet. It’s really just a matter of adding more surface area to the transmitter. I’d suggest adding a wire that’s actually tuned to an appropriate wavelength. If you want something with a bit more power, check out this Belkin Tunecase power upgrade.
I definitely thought he was modding the Zune WiFi antenna. This isn’t technically even a Zune mod. Its a “Zune FM Transmitter” mod. Now, if he modded the antenna that picks UP the FM stations better (on the internal antenna), that would be a Zune mod.
Maybe this is just showing that the Zune accessories are more fun to mod than the Zune itself.
Posted at 8:36 am on Feb 9th, 2007 by Doug
I find the tunecast rf amp more interesting myself. Of course, if you want to get into RF amps Free Radio Berkeley is *the* place to go for info on hacking FM band amps: http://www.freeradio.org/ They even sell kits and give seminars on how to build various transmitters – up to 40 watts.
The question is, how long does the antenna need to be, to actually reach another Zune owner =D
Posted at 2:03 pm on Feb 9th, 2007 by Nathan
The wavelength of FM signals is 9-11 feet (see http://www.1728.com/freqwave.htm )
For a quarter wave antenna, keep the wire from 27-33 inches. Anything longer than a quarter wave starts to work against you, so don’t exceed 27 inches.
Not coincidentally, that’s about the length of the antenna you’d find on an old car.
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Posted at 7:22 am on Feb 9th, 2007 by andrew