[aprssig] APRS for drone
k7rkt at bigredbee.com
Mon Aug 21 13:14:59 CDT 2017
This guy has started doing some youtube reviews of the BRB900
Greg K7RKT (yes, I make the BRB900)
On Mon, Aug 21, 2017 at 8:33 AM, Jason KG4WSV <kg4wsv at gmail.com> wrote:
> On Sun, Aug 20, 2017 at 11:58 PM, Andrew Rich <vk4tec at tech-software.net>
> > Hello
> > I have a medium sized drone a dji inspire 1
> > I am looking for a tracker that has gps and in the order of 300 mw
> Check out the Big Red Bee rocket trackers:
> also, do some (a lot) of ground testing. I've got some broken parts
> and a repaired airframe left over from a crash due to cheap consumer
> electronics on the command and control being extremely intolerant of
> some 900MHz spread spectrum (at 1W, IIRC) telemetry that was bolted
> onto the aircraft.
> The 2.4GHz COTS receiver interpreted the 900MHz transmission as "full
> power to the throttle" for about half a second, then dropped throttle
> back to zero. It was high enough in the air to break the carbon fiber
> airframe when it hit the concrete.
> While investigating the incident, I found that a 5W HT keyed up close
> by would cause the ardupilot to think the horizon had tilted 30
> degrees, so the COTS RC receiver wasn't the only thing with problems.
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