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MAX-M8Q GPS lock problem
You don't need RFI interference in GPS L1 band to disable GPS. Ublox MAX-8Q and all other MAX series modules do not have *any* antenna input preselector filtering - just an impedance match. Their ante
You don't need RFI interference in GPS L1 band to disable GPS. Ublox MAX-8Q and all other MAX series modules do not have *any* antenna input preselector filtering - just an impedance match. Their ante
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· #16949
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SMA/SMA Cable Assembly Recommendations
Joe, 1GHz SMA cable is different from 10GHz SMA cable and metrology-grade cable is different from something you can cancel-out during measurements - you need to specify what you are trying to do. Indu
Joe, 1GHz SMA cable is different from 10GHz SMA cable and metrology-grade cable is different from something you can cancel-out during measurements - you need to specify what you are trying to do. Indu
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· #16546
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Transmissions on Balloons
Few more modes: Majority of UK flights use[d] RTTY Some UK flights have used THOR16 Many flights use LoRa modulation now There were flights on the continent using voice FM transmissions. I had a B-cla
Few more modes: Majority of UK flights use[d] RTTY Some UK flights have used THOR16 Many flights use LoRa modulation now There were flights on the continent using voice FM transmissions. I had a B-cla
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· #16518
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Near Space Saying
In Australia they went there yesterday too.
In Australia they went there yesterday too.
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· #16480
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WB8ELK-6 makes it to Europe
Hello Bill, I am very pleased you have made it! It's not the best season for picos in the northern hemisphere right now and yet if you try hard enough nature seems to be willing to cooperate. Cheers L
Hello Bill, I am very pleased you have made it! It's not the best season for picos in the northern hemisphere right now and yet if you try hard enough nature seems to be willing to cooperate. Cheers L
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· #15666
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[nearsys] Re: KD4STH-1 ground speed/estd altitude
what is "posit"? Is it some sort of position?
what is "posit"? Is it some sort of position?
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· #14858
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K6RPT-12 Survives hawk attack
Hi Ron, Is this an actual picture of the tracker that is flying now as K6RPT-12? Telemetry and amount of debris suggests that it used double panels wired in series? The webpage image shows series conn
Hi Ron, Is this an actual picture of the tracker that is flying now as K6RPT-12? Telemetry and amount of debris suggests that it used double panels wired in series? The webpage image shows series conn
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· #14663
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M0XER-4 Again
Hi Hank, There is a very good resource maintained here: http://x-f.lv/dev/habitat-graphs/payload/B-64#g/altitude The data set includes live and backlog telemetry received via APRS and directly via UHF
Hi Hank, There is a very good resource maintained here: http://x-f.lv/dev/habitat-graphs/payload/B-64#g/altitude The data set includes live and backlog telemetry received via APRS and directly via UHF
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· #14633
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Balloon Mail successful WB8ELK balloon recovered by W7QO
Well of course it decodes to the *6th of October* when my script uploads it to spacenear.us ...
Well of course it decodes to the *6th of October* when my script uploads it to spacenear.us ...
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· #14612
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Balloon Mail successful WB8ELK balloon recovered by W7QO
Mark, That's what all B-flights do as well. There is no compressed timestamp available in APRS specification so i just dreamt up my own. There are encoded time and datestamps in each realtime and back
Mark, That's what all B-flights do as well. There is no compressed timestamp available in APRS specification so i just dreamt up my own. There are encoded time and datestamps in each realtime and back
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· #14600
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UMICH-2 floater headed ENE towards Atlantic
Welcome to Europe guys, well done! http://aprs.fi/#!mt=roadmap&z=11&call=a%2FAETH22-1&timerange=3600&tail=3600
Welcome to Europe guys, well done! http://aprs.fi/#!mt=roadmap&z=11&call=a%2FAETH22-1&timerange=3600&tail=3600
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· #14577
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New Flight Prediction Program
Thanks, Jerry! Very impressive. I did not even know that aprs.fi allows the use of overlays. Leo
Thanks, Jerry! Very impressive. I did not even know that aprs.fi allows the use of overlays. Leo
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· #14415
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ARHAB record rules
Guys, I am a bit confused. Have we started filing total travelled distance in ARHAB great circle longest distance table? PS-13 shows 7,619 miles / 14,110km as distance between its terminal points howe
Guys, I am a bit confused. Have we started filing total travelled distance in ARHAB great circle longest distance table? PS-13 shows 7,619 miles / 14,110km as distance between its terminal points howe
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· #14399
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M0XER-4 circumnavigation complete
Thanks for your support, discussions and help with tracking B-s around the globe, guys! A lot of people contributed in a lot of ways into this trip. One thing I have to say - it's not a hobby for impa
Thanks for your support, discussions and help with tracking B-s around the globe, guys! A lot of people contributed in a lot of ways into this trip. One thing I have to say - it's not a hobby for impa
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· #14382
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M0XER & W7QO trackers & flights
Barry, ISS beaconing attempts from balloon payload have been around way before Alan. For example, Thomas KT5TK http://kt5tk.wordpress.com/ has been doing it with 100mW but unfortunately did not have a
Barry, ISS beaconing attempts from balloon payload have been around way before Alan. For example, Thomas KT5TK http://kt5tk.wordpress.com/ has been doing it with 100mW but unfortunately did not have a
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· #14315
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New Flight Prediction Program [1 Attachment]
Jerry, As of now (23 UTC 25 July) the GFS05 dataset has not been updated by NOAA for more than 40 hours (current is 06 UTC 20140724) so it is pretty much useless considering that it only covers 84 hou
Jerry, As of now (23 UTC 25 July) the GFS05 dataset has not been updated by NOAA for more than 40 hours (current is 06 UTC 20140724) so it is pretty much useless considering that it only covers 84 hou
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· #14311
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Changed the subject back to APRS :)
James, This is correct, the onboard flight data recorder has the circular buffer containing 64 entries spaced at 2 hour intervals which equates to just over 5 days. The content of the data log is cont
James, This is correct, the onboard flight data recorder has the circular buffer containing 64 entries spaced at 2 hour intervals which equates to just over 5 days. The content of the data log is cont
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· #14278
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Moxer 4 out of range
Good morning And on top of that B-63 M0XER-6 after long AWOL appeared over Alaska http://aprs.fi/#!call=a%2FM0XER-3
Good morning And on top of that B-63 M0XER-6 after long AWOL appeared over Alaska http://aprs.fi/#!call=a%2FM0XER-3
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· #14242
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Moxer 4 out of range
Steve, I have used your map as my prime reference for localised frequency switching. I'm glad I can say "Thank you!" for creating it in the first place. By the way one of the the balloons went to Indi
Steve, I have used your map as my prime reference for localised frequency switching. I'm glad I can say "Thank you!" for creating it in the first place. By the way one of the the balloons went to Indi
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· #14236
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Leo's m0xer-2
Hi Michael, Sorry, my email state at the moment is "Inbox (64235 messages, 46452 unread)" after spam taken out. Thank you for appreciation of the flight and keeping an eye on it! B-62 was custom SP en
Hi Michael, Sorry, my email state at the moment is "Inbox (64235 messages, 46452 unread)" after spam taken out. Thank you for appreciation of the flight and keeping an eye on it! B-62 was custom SP en
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· #14206
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