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Anyone know of a "send only" beacon/chip?

post #1 of 15
Thread Starter 

Does anyone know of a tiny one-way (send) beacon? Recco makes their reflector, but obviously it doesn't send out a signal. If they exist, thought it might be a cool thing to stick on my wallet/keys/phone/TV remote since I always manage to lose them, and would love to use my Mammut transceiver to track them down.

post #2 of 15

They exist:

 

 

http://www.ortovox.com/dog-rescue

 

http://www.pieps.com/en/avalanche-transceivers/232-pieps-backup

 

 

Don't forget to get a spare AT to find your AT when you lose it.   wink.gif

post #3 of 15

We've been waiting for the Pieps Backup Transmitter to become available to us. It's due any day now. Same for the Pieps TX 600 + Dog Transmitter.

post #4 of 15
Thread Starter 

I imagine these transmit a pretty strong signal. Anyone know of something cheap and tiny? Doesn't need to be avy rescue build.

post #5 of 15

Seems like a really good idea; doing a beacon search following an avalanche and rescued keys, wallets, phones.......  rolleyes.gif  Eventually found some people.

post #6 of 15

Yes, we should never use any technology in a way that has even a one in 10 million chance of doing harm. Like any good American these days I live every day, all day, in fear and make it my main goal in life to avoid being harmed in any way, physically, financially or emotionally. rolleyes.gif

post #7 of 15


 

Build it.     On/off modulation of a 458 kHz carrier is on the "super-easy" side of circuit design.   

 

Just don't try to make several dozen in assorted colors or to sell them, or to make kits available, or the FCC will bite your head off.     The reason commercial non-rescue-built devices don't exist for this band is because the band  /is/ reserved for rescue.

Quote:
Originally Posted by rushbikes View Post

I imagine these transmit a pretty strong signal. Anyone know of something cheap and tiny? Doesn't need to be avy rescue build.



 

Quote:
Originally Posted by wooley12 View Post

Yes, we should never use any technology in a way that has even a one in 10 million chance of doing harm. Like any good American these days I live every day, all day, in fear and make it my main goal in life to avoid being harmed in any way, physically, financially or emotionally. rolleyes.gif


 

If we don't respect the rescue band that is reserved for our own use; the FCC will yank it away from us to feed the gaping spectrum maws of commercial users.  

post #8 of 15
Thread Starter 

Quote:
Originally Posted by cantunamunch View Post


 

Build it.     On/off modulation of a 458 kHz carrier is on the "super-easy" side of circuit design.   

 

Just don't try to make several dozen in assorted colors or to sell them, or to make kits available, or the FCC will bite your head off.     The reason commercial non-rescue-built devices don't exist for this band is because the band  /is/ reserved for rescue.



 


 

If we don't respect the rescue band that is reserved for our own use; the FCC will yank it away from us to feed the gaping spectrum maws of commercial users.  

 

Ah hah. That would make sense.

 

I really only use my beacon a couple weeks a year. Live in an apt in NYC the rest of the time. Would love to get more mileage out of it.

post #9 of 15
Thread Starter 

Btw, the bandwidth standard is 457kHz +/- 80Hz. Googled it and apparently I'm not the only one looking for a small transmitter.

post #10 of 15

What if you are out somewhere, have a problem and everyone only has transmitters? biggrin.gif

post #11 of 15
Thread Starter 

Quote:
Originally Posted by Alpinord View Post

What if you are out somewhere, have a problem and everyone only has transmitters? biggrin.gif



Then that would suck. Then again, if I'm in the backcountry, I'm only going to be skiing with at least one other person who I know is experienced and has a working transceiver.

post #12 of 15
Quote:
Originally Posted by rushbikes View Post



Then that would suck. Then again, if I'm in the backcountry, I'm only going to be skiing with at least one other person who I know is experienced and has a working transceiver.

I was hoping this was the case.

 

Ya know....a cheap transmitter option would be great for those who don't have access to a second transceiver for practicing. With a handful, multiple burial scenarios could be also practiced.

post #13 of 15

Lindsey Lohan had a nice one for awhile..

lindsay-lohan-ankle-monitor.jpg

 

 

post #14 of 15
Quote:
Originally Posted by crgildart View Post

Lindsey Lohan had a nice one for awhile..

lindsay-lohan-ankle-monitor.jpg

 

 


He, he......I thought those transmitters were available in designer colors to match the celebrity's ensemble. How gauche!

 

 

post #15 of 15
Quote:
Originally Posted by cantunamunch View Post

 


 

If we don't respect the rescue band that is reserved for our own use; the FCC will yank it away from us to feed the gaping spectrum maws of commercial users.  



That makes sense. I got the impression the OP was going to use it for lost car keys, not to mark all his BC gear. I have a beacon myself but no way to practice and a dummy would be nice. I do feel a bit nervous heading out into the BC after only a few minutes practice at the trail head on semi annual trips. Buying a 2nd is not always a viable option for all. My neighbor is an electronics design geek, retired. Anyone know where to get a schematic?

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