[Space] the APRS gear hath arrived

Mikolaj Habryn dichro at rcpt.to
Fri Feb 5 01:20:01 UTC 2010

(also arrived: two more balloons, to be sure, to be sure)

On Thu, Feb 4, 2010 at 4:17 PM, Mikolaj Habryn <dichro at rcpt.to> wrote:
> I'll bring it by Noisebridge around 8.30 tonight. We have a pair of 5W
> transceivers (ham license required to operate, so easy on the trigger
> fingers :), a pair of APRS trackers, and a Garmin GPS.
> Things to do:
> * solder up the opentracker kits
> * solder cables to connect tracker to radio
> * upgrade firmware on Garmin GPS, make sure it's in aviation mode (and
> whatever else it says to do on the argentdata product page for it)
> * connect one of the radios to a laptop
> * power tracker off lab power supply
> * bench test - measure tracker current draw, confirm we get position
> data end to end
> * hook up antenna that Christie bought
> * work out battery supplies for tracker (has an on-board regulator, supposedly)
> * distance test (across the bay?) - probably for Saturday
> I also have an SD card for the camera that's in the balloon box and
> will bring my universal lithium charger. The pressure sensors are in
> the box as well, and have a 6 pin SIP connector that ought be simple
> to connect up to the opentracker, and the final bonus points shall be
> awarded to whomever builds a trivial voltage divider that will let us
> monitor voltage and current draw from the battery pack via the
> tracker.
> m.

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