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Avalanche Transceivers

 Poster: A snowHead
Poster: A snowHead
Does anyone know where I can find resources on avalanche transceivers? What I'm after is information (technical / scientific) on how they work (i.e. the physics), also anything to do with international standards (ISO, DIN etc) that they may conform to. The combined power of snowheads may save me many hours on google...!
Its for a research project.
Cheers!
Any opinions on what you think are the best models and why would be useful as well! Personally I've used Ortovox (several models), Pieps, Barryvox and Tracker. I found Tracker the easiest to use (quickest to find burial), but was told they're not great for multiple burials.
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 Obviously A snowHead isn't a real person
Obviously A snowHead isn't a real person
There's some good stuff on www.pistehors.com on this topic. Here's one article :

http://www.pistehors.com/articles/avalanche/ortovox-x1.htm
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 Well, the person's real but it's just a made up name, see?
Well, the person's real but it's just a made up name, see?
More good stuff on http://www.henrysavalanchetalk.com and visit "information ==> beeper report".

Then there are the manufacturers, including
http://www.ortovox.com


Found this while browsing. I guess Google could be your friend as well as mine.
http://www.couloirmag.com/articles/avy_index.htm#avy_reviews
From memory, there are lots of American and Canadian web sites with vast amounts of data on transceivers.
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 You need to Login to know who's really who.
You need to Login to know who's really who.
lewis, an enquiry to the Swiss Federal Institute for Snow and Avalanche Research might be fruitful, especially if your research is for a non-profit body.
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 Anyway, snowHeads is much more fun if you do.
Anyway, snowHeads is much more fun if you do.
you'll find this stuff discussed exhaustively on the forums at www.telemarktips.com
forums at www.couloirmag.com are pretty good too
i have experience of using ortofox f1 and m2 and the tracker. the tracker is probably the easiest just to pick up and use. however, i bought the f1 because it has better range both transmitting and receiving. the m2 is pretty good too but more expensive and not significantly easier to use (in my opinion). i think i was quite lucky in that i just "got it" fairly quickly.
as far as international standards are concerned, i think the only one is that they all transmit on the same frequency now. that's probably the most important one! it's 457 somethings, mHz i think. as far as the physics is concerned, it's pretty simple. i think you'd be best off reading the relevant chapter in bruce tremper's "staying alive in avalanche terrain". he describes much better than i could.
i have a recollection that one of the forums i mentioned above had a thread a while back about an electronic schematic of a transceiver which would probably be worth searching for
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 You'll need to Register first of course.
You'll need to Register first of course.
This a great article with illustrations as to what he is talking about. Very educational. Quick rundown of how locate a small party in the event of an avalanche
http://www.biglines.com/articles_readmore.php?read=2234
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 Then you can post your own questions or snow reports...
Then you can post your own questions or snow reports...
A number of us acquired the Mammut/Barryvox model and like it. It does what we want it to do in practice and thankfully hasn't needed to be used in anger. Acquired from someone online, can't recall who, and can't find them again. I thought it was Facewest but can't see them on their site.
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 After all it is free Go on u know u want to!
After all it is free Go on u know u want to!
Ellis Brigham are doing 20% off Ortovox tranceivers this month, if that is what you were looking for snowHead Shame the tracker DTS isn't discounted because it seems to be the infrequent use / inexperienced tranceiver of choice

huckingfellers, thanks for that - a worthwhile read
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 You'll get to see more forums and be part of the best ski club on the net.
You'll get to see more forums and be part of the best ski club on the net.
Martin Nicholas wrote:
Ellis Brigham are doing 20% off Ortovox tranceivers this month, if that is what you were looking for snowHead Shame the tracker DTS isn't discounted because it seems to be the infrequent use / inexperienced tranceiver of choice


That's my take as well, I have a pair of F1's and a DTS, part of the thinking for the DTS was to have one to hand people who hadn't used transceivers much.
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 Ski the Net with snowHeads
Ski the Net with snowHeads
... although once you've bought your own there's no excuse for being an infrequent or inexperienced user. you should practice as much as you can
end of lecture wink
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 snowHeads are a friendly bunch.
snowHeads are a friendly bunch.
Arno, bring me a snowdrift to Gloucestershire and I will
Quote:

practice as much as you can

Fat chance in 28oC! but then my tranceiver is still in the shop.
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 And love to help out and answer questions and of course, read each other's snow reports.
And love to help out and answer questions and of course, read each other's snow reports.
Martin Nicholas wrote:
Ellis Brigham are doing 20% off Ortovox tranceivers this month, if that is what you were looking for snowHead Shame the tracker DTS isn't discounted because it seems to be the infrequent use / inexperienced tranceiver of choice

huckingfellers, thanks for that - a worthwhile read


Welcome glad you liked snowHead
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 So if you're just off somewhere snowy come back and post a snow report of your own and we'll all love you very much
So if you're just off somewhere snowy come back and post a snow report of your own and we'll all love you very much
Thanks for the links guys. Some new stuff I hadn't seen....
I wish they were cheaper though - I can't believe they are complex enough to warrant the price tag
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 You know it makes sense.
You know it makes sense.
lewis wrote:
I wish they were cheaper though - I can't believe they are complex enough to warrant the price tag

You're probably right. But look on the bright side, they don't wear out and they don't go out of fashion so you shouldn't need to replace them every other year wink
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 Otherwise you'll just go on seeing the one name:
Otherwise you'll just go on seeing the one name:
lewis wrote:
Thanks for the links guys. Some new stuff I hadn't seen....
I wish they were cheaper though - I can't believe they are complex enough to warrant the price tag


They are though, unlike your iPod or digital camera there'll never be enough units shipped to reduce manufacturing cost significantly sadly.
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 Poster: A snowHead
Poster: A snowHead
What price for saving your life?
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 Obviously A snowHead isn't a real person
Obviously A snowHead isn't a real person
David Murdoch wrote:
What price for saving your life?


I agree.

Although the other way of looking at it is bring prices down so everyone could be potentially safe. Although, only as safe as the quality of the decisions and practise you have to start.
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 Well, the person's real but it's just a made up name, see?
Well, the person's real but it's just a made up name, see?
lewis, Check out the PIEPS DSP, www.pieps.at. Very effective for multible burials - (practice experience only thankfully!)
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