[aprssig] Tracker3 9600 baud balloon tracker beta offer

Scott Miller scott at opentrac.org
Thu Dec 19 10:17:57 CST 2013


9600 baud FSK, G3RUH compatible.

Scott
N1VG

On 12/18/2013 10:35 PM, Andrew Rich wrote:
> Scott
>
> What sort of modulation ?
>
> Andrew
>
> Sent from my iPhone
>
> On 19/12/2013, at 12:50 PM, Scott Miller <scott at opentrac.org> wrote:
>
>> I've had so many inquiries about the tracker board I used on my balloon flight this week that I've decided to offer a beta version for sale.  It'll be after Christmas before I can get the first batch built, and I'm not making any promises that the on-board accelerometer or barometric pressure sensor will be operating, but it worked great as a low-cost, lightweight tracker.
>>
>> https://www.argentdata.com/catalog/product_info.php?cPath=34&products_id=172
>>
>> The test flight had deliberately very low lift and it drifted around for about two hours before it finally froze after sunset.  A fast-rising balloon in daylight would probably be fine, but I'd still recommend more than the 1/2 inch foam that we used for insulation.
>>
>> Our receive station was a TH-D7A handheld with an Arrow beam and it worked beautifully.
>>
>> I'm putting this version out there for a limited time.  If there's enough interest, I'll develop it into a more polished product.  Once I get the T3-9670's receive code tuned and working at full sensitivity it should make a good, compact ground station - but for now you'll need to supply your own 440 MHz, 9600 baud receiver.
>>
>> 73,
>>
>> Scott
>> N1VG
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