[time-nuts] Thunderbolt GPS rollover
Robert Watzlavick.com
rocket at watzlavick.com
Thu Jun 7 03:35:10 UTC 2012
Onboard gps units tend to drop out at high altitude and/or high velocities due to COCOM limits. Some will re-acquire at apogee but it doesn't always work. I'm planning for onboard telemetry but a multilateration system is the backup.
I correspond with others on aRocket and unrestricted gps units still aren't available to the average person without a lot of paperwork and $$$.
-Bob
On Jun 6, 2012, at 22:13, Chris Albertson <albertson.chris at gmail.com> wrote:
> Why not fly a tiny GPS inside the rocket? Either modulated the beacon with
> the GPS serial data or record it to a micro SD card.
>
>
> On Wed, Jun 6, 2012 at 7:33 PM, Robert Watzlavick <rocket at watzlavick.com>wrote:
>
>> Sorry to resurrect an old thread but I also have a question about using
>> the Thunderbolt in the future. I'm considering using 4 of them in a
>> multilateration setup to track an amateur rocket with an onboard beacon.
>
> Chris Albertson
> Redondo Beach, California
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