[Xastir] Zypad?

[Bennett, Joe]

Sounds like you need to perform your own NEPA study.... You'll see how 
the govt. looks at human absorption at 2.4Ghz vs. 144 Mhz... You may 
think twice about your 2 meter HT and love the WiFi....


-Joe
KA3NAM


http://www.damtravel.com



Brad Douglas wrote:
> On Fri, 2008-04-25 at 12:55 -0400, Rick Green wrote:
>   
>> On Fri, 25 Apr 2008, Brad Douglas wrote:
>>
>>     
>>> - Still requires USB to TNC/radio for APRS, making arm placement fairly
>>> useless as USB is not a locking connector
>>>       
>>   It supports bluetooth and Wifi.  remote serial support is available for 
>> both, so you don't have to tangle your body with wires.  The zypad can 
>> communicate with the TNC/radio clipped to your bat-utility belt without 
>> them.
>>     
>
> Good point.  I didn't entirely think that through.  Bluetooth would be
> ideal, but I still don't like the idea of a WiFi transmitter attached to
> me (however, they don't specify power output).
>
> FYI -
> >From what I can tell, it looks like they are using a UBlox[1] GPS
> chipset and a Sarantel[2] Helical antenna.  The GPS chipset is an
> absolutely outstanding performer, supports multiple GPS constellations,
> and is *very* expensive (~$100USD for a single chip).  The antenna is
> designed to have maximum gain at altitude, not on the ground.  I use
> them in a couple of projects.
>
> I hope this is useful info, Craig.
>
> [1] http://www.u-blox.com/products/tim_4r.html
> [2] http://www.sarantel.com/products/geohelix-p2
>
>
>