[aprssig] Tracker3 9600 baud balloon tracker beta offer

Andrew Rich vk4tec at tech-software.net
Thu Dec 19 00:35:54 CST 2013


What sort of modulation ?


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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