But how bad will the RF swamp out the GPS?
On our balloon flights a 1 watt ATV signal if it's withinn a foot or two
will swamp it out to uselessness.
Joe WB9SBD
The Original Rolling Ball Clock
Idle Tyme
Idle-Tyme.com
http://www.idle-tyme.com
On 8/18/2010 7:46 AM, Rex Lint wrote:
> As long as the chopper is not at ground potential, the RF should't be a
> factor... kinda like a bird sitting on a 30KV transmission line.
>
> -Rex-
>
> Rex Lint, Consultant
> 26 Brek Drive
> Merrimack, NH 03054
> PH: 603-860-7651
>
> -----Original Message-----
> From: cq-contest-bounces@contesting.com
> [mailto:cq-contest-bounces@contesting.com] On Behalf Of David Gilbert
> Sent: Wednesday, August 18, 2010 1:48 AM
> To: cq-contest@contesting.com
> Subject: [CQ-Contest] Hexacopter
>
>
> I see that the Hexacopter received some comments again in the latest
> ARRL Contest update. It and its sister products are amazing bits of
> technology, and although a bit pricey it occurred to me during a rather
> fanciful mood that they might make an interesting DXpedition tool. The
> propellers on these copters are driven by electric motors, have
> considerable lifting force, and the "fully loaded" versions come with
> GPS capability.
>
> Check out this video ... http://www.youtube.com/watch?v=fyYujjP5J-k
>
> All of that suggests to me that it might be possible to hoist a wire for
> a full size 160m vertical with one of them, including power to keep them
> aloft more or less indefinitely. The control circuitry is self
> correcting with quick response ... just tell it to remain at a certain
> location and it will do so in spite of variable winds or reasonable
> velocity. It would probably take a bit of thought to keep high RF
> voltage away from the Hexacopter, and also some decoupling of the power
> leads, but ....
>
> Maybe somebody could buy one and rent it out. ;)
>
> 73,
> Dave AB7E
>
>
> _______________________________________________
> CQ-Contest mailing list
> CQ-Contest@contesting.com
> http://lists.contesting.com/mailman/listinfo/cq-contest
> No virus found in this incoming message.
> Checked by AVG - www.avg.com
> Version: 9.0.851 / Virus Database: 271.1.1/3077 - Release Date: 08/17/10
> 02:35:00
>
> _______________________________________________
> CQ-Contest mailing list
> CQ-Contest@contesting.com
> http://lists.contesting.com/mailman/listinfo/cq-contest
>
>
>
_______________________________________________
CQ-Contest mailing list
CQ-Contest@contesting.com
http://lists.contesting.com/mailman/listinfo/cq-contest
|