Which is why the application fee is $1,000. But I do have customers that have done it. You just have to show you are legitimate. Tom Miller Black Magic Missile Works From: roc-chat-bounce@xxxxxxxxxxxxx [mailto:roc-chat-bounce@xxxxxxxxxxxxx] On Behalf Of Greg Clark Sent: Tuesday, December 27, 2011 9:52 AM To: roc-chat@xxxxxxxxxxxxx Subject: [roc-chat] Re: GPS unit speed and altitude limitations So how can one sell a GPS to the general public that removes the COCOM limits? I thought you had to go thru an appeals process and be granted an exception on a case by case basis.... -- Greg On Tue, Dec 27, 2011 at 9:35 AM, Tom Miller <Tom@xxxxxxxxxxxxxxxxxxxxxxxxxx> wrote: Garmin GPS that I supply with my UFC series flight computers interprets the rule to be altitude AND HORIZONTAL velocity. If you want to pay a lot more the NovAtel GPS I offer removes all restrictions with an application and additional fee. Tom Miller Black Magic Missile Works From: roc-chat-bounce@xxxxxxxxxxxxx [mailto:roc-chat-bounce@xxxxxxxxxxxxx] On Behalf Of Greg Clark Sent: Tuesday, December 27, 2011 8:55 AM To: roc-chat@xxxxxxxxxxxxx Subject: [roc-chat] Re: GPS unit speed and altitude limitations Notice that they say high speed AND high altitude. Many manufacturers (including the SiRF III pictured) implement an OR function. I believe (but can not confirm) that the velocity component is 'speed over ground' so most rockets will never into this limit unless they're heading into orbit. I have yet to see a data set from a rocket that exceeded both of these limits, so can't confirm what really happens. The balloon guys have compiled a pretty comprehensive list that show which work, and which do not above 60k. http://www.arhab.org <http://www.arhab.org/> -- Greg On Tue, Dec 27, 2011 at 8:11 AM, Chris Spurgeon <chris@xxxxxxxxxxxxxxxxx> wrote: The Make Magazine blog has a little discussion of the hows and whys that GPS units cut off at high speed and/or high velocity. http://blog.makezine.com/archive/2011/07/gps-units-disable-themselves-if-the y-go-faster-than-1200-mph.html Chris Spurgeon chris@xxxxxxxxxxxxxxxxx twitter.com/chrisspurgeon -- ROC-Chat mailing list roc-chat@xxxxxxxxxxxxx //www.freelists.org/list/roc-chat