[aprssig] Balloon GPS >60,000 feet

[Brad Burleson]

> On July 18, 2012 at 10:46 PM David Fraser <radiocentric at gmail.com> wrote:
>> [...]
>> Our club is assembling items to fly on a balloon in the near future and I
>> know that not all GPS models work properly above 60,000 feet. Where can I
>> find out which ones will be suitable?
>>
>> Many thanks, David ZL3AI.

Just for an additional data point, I've used the SkyTraq Venus638FLPx
(see http://www.sparkfun.com/products/11058 for a complete solution)
and if cost/space is an issue, the SkyTraq SUP500R/F is available with
integrated antenna for $28 shipped (quantity 10).

Regards,

Brad
KF7FER