The times were still pretty long when the camera wasn't on. I'll try taking it to a park where I used to fly my GPS equipped quad copter and see how it does there.
On Sun, Jul 12, 2015 at 7:34 PM, W7AMI <[email protected]> wrote: > Chris, > > I don't have a TM but my TeleGPS only takes a minute or so to lock > up. I would think that your TM should lock in about the same amount of > time. > > It is possible that the power supply leads are radiating RF. You > could try to put some shielding around the power leads maybe. Could you > put the entire battery inside the same shield as the camera module? Don't > know if that would help. > > Terry > > > On 7/12/2015 8:13 PM, Chris Attebery wrote: > > I tried the TM by itself a couple times and it was taking about 8-10 > minutes to get a lock. I had it in the shade of a small tree in my back > yard, so I moved it to the middle of the yard on a small plastic stool. > That seemed to work a little better (6-8 minutes?). I turned on the RRC2 > and it was about the same. I tried the camera without the RRC2 and it went > over 10 minutes. I added more aluminum tape on the backside of the camera > module and around the ribbon cable from the module to the camera board. > That got it back under 10 minutes. > > I tried firing up my Garmin Oregon 450. It had 9 satellites in view and > had a lock within a minute. The most I saw from the TM was 7. It usually > took 6 to get a lock. For now I'm going to chalk it up to living in a > somewhat densely populated area with 2 story houses, trees and my large > patio cover in the way. > > I never unplugged the battery from the TM. I have a screw switch I'm > using to arm it. > > > On Sun, Jul 12, 2015 at 2:17 PM, W7AMI <[email protected]> wrote: > >> Chris, >> >> If you can narrow it down to just the camera, try disconnecting the >> imager from the electronics and see if that makes a difference? Is the >> problem worse when recording than just with the camera powered on? >> >> You might also consider using copper tape to seal up all the gaps in >> the shielding of the electronics package. Gaps can radiate an amazing >> amount of energy sometimes. >> >> EMI mitigation is part science and part black magic in my opinion. >> What works one time won't work the next. Grrrr! >> >> Terry >> >> >> On 7/12/2015 1:07 PM, Chris Attebery wrote: >> >> Hi Terry, >> >> I was outside, but only about 10 feet from my house. I think I had 6 >> satellites in the initial solution and 10 in view. I fired it up by itself >> until it found a lock and then turned it off. Then I fired up the other two >> and turned it back on in the same spot. >> >> I'll turn it on by itself and time it a couple times. Once I have a >> good feel for it's lock time I'll try with just the RRC2 and see if it >> makes a difference. >> >> Thanks, >> >> >> Chris >> >> On Sun, Jul 12, 2015 at 12:00 PM, W7AMI <[email protected]> wrote: >> >>> Chris, >>> >>> Indoors or out doors? How many satellites were in the solution? >>> >>> The first time you turn on a GPS receiver in a new location it >>> sometimes takes longer to lock up than if it is close to where it was last >>> used. >>> >>> Try the Telemetrum with just the RRC2+ to see if you can eliminate it >>> as the problem source of the problem. >>> >>> Terry >>> >>> >>> >>> On 7/12/2015 12:43 PM, Chris Attebery wrote: >>> >>> Hey guys, >>> >>> I finished my altimeter bay integration last night. I fired up the >>> Telemetrum 2.0 by itself and it took 5-10 minutes for it to get GPS lock. I >>> turned it off and then turned on my camera and Missile Works RRC2+ before >>> turning on the Telemetrum on this time I let it sit for 6 minutes and it >>> never found any satellites and never got a lock. >>> >>> I have the camera board shielded but the camera module is unshielded >>> and near the Telemetrum. I've been told that writing to the SD card on the >>> camera produces a lot of noise and can interfere with GPS signals. Any >>> suggestions? >>> >>> >>> >>> >>> >>> _______________________________________________ >>> altusmetrum mailing >>> [email protected]http://lists.gag.com/mailman/listinfo/altusmetrum >>> >>> >>> >>> _______________________________________________ >>> altusmetrum mailing list >>> [email protected] >>> http://lists.gag.com/mailman/listinfo/altusmetrum >>> >>> >> >> >> _______________________________________________ >> altusmetrum mailing >> [email protected]http://lists.gag.com/mailman/listinfo/altusmetrum >> >> >> >> _______________________________________________ >> altusmetrum mailing list >> [email protected] >> http://lists.gag.com/mailman/listinfo/altusmetrum >> >> > > > _______________________________________________ > altusmetrum mailing > [email protected]http://lists.gag.com/mailman/listinfo/altusmetrum > > > > _______________________________________________ > altusmetrum mailing list > [email protected] > http://lists.gag.com/mailman/listinfo/altusmetrum > >
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