highaltitude.log.20191010

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[01:42] <SpacenearUS> New vehicle on the map: 03Ve9vw_chase - 12https://tracker.habhub.org/#!qm=All&q=Ve9vw_chase
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[04:01] <SpacenearUS> New position from 03BLACKBIRD after 037 hours silence - 12https://tracker.habhub.org/#!qm=All&q=BLACKBIRD
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[08:41] <snh> Darkside: Hey! Quick Q, what omni are you using on your car these days for radiosonde reception? The turnstile isn't really an option for me due to my car, so am probably going to have to make do just with a whip of some sort
[08:53] <SpacenearUS> New position from 03KD2KDD-15 after 034 days silence - 12https://tracker.habhub.org/#!qm=All&q=KD2KDD-15
[08:56] <Darkside> snh: hey
[08:56] <Darkside> i've got a few options. im usually using a Diamond CR-77
[08:56] <Darkside> but tbh anything roughly 1/4 wave should work fine
[08:57] <snh> Cool, I've got a Diamond MR77 that might do the trick then
[08:59] <Darkside> oh yeah, a MR77 should do
[08:59] <Darkside> maybe has a little bit too much gain
[08:59] <Darkside> but give it a go
[08:59] <Darkside> snh: where are you based again?
[08:59] <snh> Hobart
[09:00] <snh> It will be challenging to chase them here, very hilly, lots of private, inaccessible land
[09:00] <snh> And most seem to burst out over the ocean to the East
[09:00] <Darkside> ah yes
[09:00] <Darkside> you'd definitely be wanting to pick your chase days carefully
[09:01] <snh> Yeah, for sure, I need to home that skill, any tips for predicting good chase days?
[09:01] <Darkside> http://predict.habhub.org/
[09:01] <Darkside> thats pretty much it!
[09:02] <Darkside> prediction accuracy drops off a lot the further out the prediction date
[09:02] <snh> Nice, are the defaults for the burst calculator sensible for a typical BOM launch?
[09:02] <Darkside> ascent rate 5m/s, burst 26km, descent 6m/s
[09:02] <snh> Thanks
[09:03] <Darkside> though worth checking to see what happens in your area
[09:03] <Darkside> some launch sites go higher
[09:03] <snh> Yeah, I've been collecting data for a while now, so should be able to look for the average burst hight
[09:04] <Darkside> are you uploading to habhub?
[09:04] <snh> The one this morning burst around 32.7km
[09:04] <Darkside> hrm
[09:04] <snh> Not yet, I should get that sorted out and start doing that
[09:04] <Darkside> yes, well worth updating to the latest auto_rx
[09:05] <Darkside> i should hopefully get another release out this weekend
[09:05] <snh> I'm running the testing branch, as it has those python3 fixes in it I sent in :)
[09:05] <Darkside> ahh yes :-)
[09:06] <Darkside> yeah there sbeen a lot of changes in the testing branch
[09:06] <Darkside> being able to view SNR of the sonde signal is very useful
[09:06] <snh> This mornings launch from Hobart airport possibly landed over public land, but I didn't have my chase car setup yet. I rushed to get something set up, and headed out that way but couldn't pick anything up.
[09:06] <Darkside> yeah you definitely need to be in the area when it comes down
[09:06] <snh> I don't manage to observe them very low from my house in Hobart, too many hills out towards the East coast
[09:06] <Darkside> sometimes the sondes land hard and shut down
[09:07] <snh> Yeah, for sure, I need to get better prepared and be in the area next time
[09:07] <Darkside> so being as close as possible to the landing area helps in getting a position just above ground
[09:07] <Darkside> chasemapper helps with that :-)
[09:07] <snh> tbh though there is a 95% chance it'll land somewhere I can't legally access
[09:08] <Darkside> landing on private land isnt always a huge issue - that happens almost all the time here
[09:08] <Darkside> its just a matter of finding the landowner and asking nicely
[09:08] <Darkside> but in your case terrain might cause issues
[09:08] <Darkside> (and water...)
[09:08] <snh> Lots of land here is privately owned but is effectively unused bushland, so it can be hard to find who owns it
[09:09] <snh> Farms a bit easier, but they are pretty rare in the part of Tassie they generally land
[09:14] <Darkside> at least you're not on the east coast :-)
[09:14] <Darkside> almost all of their sondes land in the ocean
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[10:21] <SpacenearUS> New vehicle on the map: 03IPHONE_Chase - 12https://tracker.habhub.org/#!qm=All&q=IPHONE_Chase
[10:29] <daveake> Might be useful to those inflicted with Apple disease :D https://twitter.com/daveake/status/1182241483656765443
[11:22] <SpacenearUS> New vehicle on the map: 03Sp5mgs_chase - 12https://tracker.habhub.org/#!qm=All&q=Sp5mgs_chase
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[14:03] Nick change: edmoore_ -> edmoore
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[14:06] <_Jordan> Hey, I'm struggling with the NTX2B. Which is weird because I've used them fine in the past but for some reason, this particular breadboard is giving me a carrier shift of 1250Hz! It's meant to be 425.... No clue whats up. Let me know if anyone has had this problem before. Also... Hey it's been a while :)
[14:06] <daveake> You just need to change one of the resistor values
[14:07] <_Jordan> ah, i bet i put a wrong resistor in. I'll double check over those
[14:10] <_Jordan> i put in a 47k and a 10k instead of 2 x 4.7k..... not my fault they look the same ha
[14:12] <_Jordan> aight cheers
[14:18] <daveake> heh
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[15:18] <PE2BZ> resistors are futile....
[15:32] <michal_f> :]
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[16:26] <Pit[m]> Interesting for LoRa ESP device users
[16:26] <Pit[m]> http://mysondy.altervista.org/mysondygo.php
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[16:54] <SpacenearUS> New position from 03NASD01 after 03a day silence - 12https://tracker.habhub.org/#!qm=All&q=NASD01
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[18:05] <TT7> is there an issue with the APRS importer currently?
[18:10] <SpacenearUS> New position from 03ICT3 after 032 days silence - 12https://tracker.habhub.org/#!qm=All&q=ICT3
[18:12] <chris_99> https://www.independent.co.uk/life-style/gadgets-and-tech/news/spider-robot-moon-uk-lunar-mission-space-spacebit-nasa-a9150641.html
[18:41] <mct> 2
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[19:09] <SpacenearUS> New vehicle on the map: 03M0HMO_chase - 12https://tracker.habhub.org/#!qm=All&q=M0HMO_chase
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[19:29] <SpacenearUS> New position from 03HSAB_TEST after 0320 hours silence - 12https://tracker.habhub.org/#!qm=All&q=HSAB_TEST
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[21:54] <SpacenearUS> New vehicle on the map: 03PROJECTX - 12https://tracker.habhub.org/#!qm=All&q=PROJECTX
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[00:00] --- Fri Oct 11 2019