On Mon, 15 Jan 2007 at 10:53 -0700, Steve wrote: > No, you'll not be able to mess with an FM radio and tune AM traffic. > However AM radios especially if you can find an AM older AM radio, at > like DI or savers or something, are a deffinite candidate.
That would have been my thought too, but it seems like people do. Here's a few links to chew on (and hopefully you can explain what's going on): http://www.qslnet.de/member/la3za/Singlechip.htm http://www.airliners.net/discussions/tech_ops/read.main/178431/#11 http://www.hamradioindia.org/forums/viewtopic.php?t=345 > Here's what you do. > The "tuner" in an AM radio is really just a variable capacitor. > That capacitor is set to be variable within range x to y. > This setting is or at least used to be, set using little tiny screws > inside the "tuner" > These are typically easily accessible. > Just turn the radio on, > > Tune it to the lowest range it will reach. > Then insert a screwdriver into one of (note this will be trial and > error) the little holes in the tuner and turn very, very slowly, until > you start hearing traffic from the highest end of the spectrum. > Then turn the dial all the way to the max, and do the same thing > (probably going to be a different screw this time), until you hear the > out of band traffic you are looking for. > > I recommend looking for an older AM radio, possibly from the 70s or > 80s before "digital tuning" was common. For ease of adjustment I've > found the older analog clock radios to be the best bet, and those with > multiband (am/fm/TV) are a sure fire candidate since Air Traffic > Control operates (or at least it used to operate) just out side the TV > spectrum and uses AM. > > I hope thats helpful, Yes, very. I'll probably try the experiment on ye olde alarm clock radio. -- Hans Fugal ; http://hans.fugal.net There's nothing remarkable about it. All one has to do is hit the right keys at the right time and the instrument plays itself. -- Johann Sebastian Bach
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