highaltitude.log.20210927

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[05:04] <SpacenearUS> New position from 03TTS31 after 033 days silence - 12https://tracker.habhub.org/#!qm=All&q=TTS31
[05:27] <SpacenearUS> New position from 03KD2FOU-11 after 0314 hours silence - 12https://tracker.habhub.org/#!qm=All&q=KD2FOU-11
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[06:21] <SpacenearUS> New position from 03NOB9 after 034 days silence - 12https://tracker.habhub.org/#!qm=All&q=NOB9
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[06:36] <SpacenearUS> New position from 03NOB8 after 0316 hours silence - 12https://tracker.habhub.org/#!qm=All&q=NOB8
[07:00] <SpacenearUS> New vehicle on the map: 03Praha_chase - 12https://tracker.habhub.org/#!qm=All&q=Praha_chase
[07:03] <SpacenearUS> New vehicle on the map: 03Hranicar - 12https://tracker.habhub.org/#!qm=All&q=Hranicar
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[07:29] <SpacenearUS> New vehicle on the map: 03DC2EH-12 - 12https://tracker.habhub.org/#!qm=All&q=DC2EH-12
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[07:50] <SpacenearUS> New vehicle on the map: 03YO2MAB_chase - 12https://tracker.habhub.org/#!qm=All&q=YO2MAB_chase
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[09:33] <SpacenearUS> New position from 03M0XER-8 after 03a day silence - 12https://tracker.habhub.org/#!qm=All&q=M0XER-8
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[11:02] <SpacenearUS> New position from 03N0MPM-13 after 0316 hours silence - 12https://tracker.habhub.org/#!qm=All&q=N0MPM-13
[11:09] <SpacenearUS> New vehicle on the map: 03TTS7 - 12https://tracker.habhub.org/#!qm=All&q=TTS7
[11:16] <SpacenearUS> New position from 03N4XWC-1 after 0310 hours silence - 12https://tracker.habhub.org/#!qm=All&q=N4XWC-1
[11:26] <SpacenearUS> New position from 03SP9UOB-12 after 034 days silence - 12https://tracker.habhub.org/#!qm=All&q=SP9UOB-12
[11:30] <SpacenearUS> New position from 03SP9UOB-P41 after 0325 days silence - 12https://tracker.habhub.org/#!qm=All&q=SP9UOB-P41
[12:38] <SpacenearUS> New position from 03W5MAB-75 after 0314 hours silence - 12https://tracker.habhub.org/#!qm=All&q=W5MAB-75
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[13:46] <SpacenearUS> New vehicle on the map: 03KI5JSU-7 - 12https://tracker.habhub.org/#!qm=All&q=KI5JSU-7
[14:11] <SpacenearUS> New vehicle on the map: 03KI5DWC-1 - 12https://tracker.habhub.org/#!qm=All&q=KI5DWC-1
[14:20] <SpacenearUS> New position from 03icspace26-hab-eu-863-870 after 0311 hours silence - 12https://tracker.habhub.org/#!qm=All&q=icspace26-hab-eu-863-870
[14:25] <SpacenearUS> New vehicle on the map: 03KI5JSU-8 - 12https://tracker.habhub.org/#!qm=All&q=KI5JSU-8
[14:34] <SpacenearUS> New vehicle on the map: 03KI5DWC-2 - 12https://tracker.habhub.org/#!qm=All&q=KI5DWC-2
[14:40] <SpacenearUS> New vehicle on the map: 03KI5DWC-3 - 12https://tracker.habhub.org/#!qm=All&q=KI5DWC-3
[14:51] <SpacenearUS> New vehicle on the map: 03KI5DWC-4 - 12https://tracker.habhub.org/#!qm=All&q=KI5DWC-4
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[15:21] <SpacenearUS> New position from 03IT9GHK-3 after 032 days silence - 12https://tracker.habhub.org/#!qm=All&q=IT9GHK-3
[15:22] <SpacenearUS> New vehicle on the map: 03N9VJW - 12https://tracker.habhub.org/#!qm=All&q=N9VJW
[15:25] <SpacenearUS> New vehicle on the map: 03KI5DWC-5 - 12https://tracker.habhub.org/#!qm=All&q=KI5DWC-5
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[17:07] <LeoBodnar> Can I suggest a mod to the channel bot?
[17:08] <LeoBodnar> I'd suggest changing "New position from..." to "Position update from..."
[17:09] <LeoBodnar> then it's visually easier to sort out "New vehicle" from "New position"
[17:10] <LeoBodnar> Or even just "Update from ..."
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[17:42] Nick change: Guest59 -> Saber
[17:42] Nick change: Saber -> Sa_ber
[17:43] <Sa_ber> Hi my friends and I have launched a couple balloons with a DSLR attached and we're trying to get some high resolution imagery of the ground. We have a few questions and wanted to see if anybody has done something like this before!
[17:48] <PE2BZ> Sa_ber, you are familiair with Dave´s camera flights ? like https://www.daveakerman.com/?p=2533
[17:54] <SM0ULC-David> DSLR sounds pretty delicate to be flying
[17:56] <Sa_ber> I was not, but after a quick review of his website it appears we are going about it in a similar fashion. Thanks for sending that!
[17:57] <SM0ULC-David> Sa_ber: where have you flown? got some pics?
[17:57] <Sa_ber> SM0ULC-David luckily we haven't broken the camera or a lens yet - we're using a sony a6000 with a 210mm zoom lens. the enclosure is built out of foam insulation board with an internal phenolic plate for rigidity
[17:59] <SM0ULC-David> aiming for narrow or wideangle shots?
[17:59] <Sa_ber> we're flying in Texas, the pictures we do have are either all black or white (suspected iso setting issues) or super blurry
[18:00] <Sa_ber> narrow shots - we think the blurriness may be from poor stabilization (and launching on a day with 15 mph winds)
[18:00] <SM0ULC-David> join this one if you haven't, https://ukhas.org.uk/ukhas:mailing_list
[18:01] <Sa_ber> will do, thank you!
[18:01] <SM0ULC-David> i'm an absolute n00b in flying cameras but the payloads do dangle quite a bit
[18:03] <Sa_ber> have you found any method that works better than others? we tried a single fin, and then like a batwing design (based off of Darryl Hedges videos) which worked pretty well
[18:03] <Sa_ber> https://www.youtube.com/watch?v=x9oTxGYRFF8
[18:05] <SM0ULC-David> drop a question on the list, quite a bunch of people with experience in flying different payloads
[18:07] <SM0ULC-David> one thing to add could be a arduion/rpi etc with gyrochip to record the movements
[18:08] <Sa_ber> I definitely will - reading through it first because I dont want to ask something that has already been answered.
[18:09] <Sa_ber> think my school email address is preventing me from signing up, but will try another
[18:10] <Sa_ber> so we do have a Pixhawk on the platform as well logging everything (what we use for nichrome cut off)
[18:12] <PE2BZ> Sa_ber, what´s the average shutter speed when taking images from space downwards ? even at 1/125 of a second I would not expect blurried images from a moving / rotating camera
[18:16] <Sa_ber> we're using 1/2500
[18:17] <PE2BZ> https://photos.app.goo.gl/a7QNHfz2m7SFTeu88
[18:17] <Sa_ber> so maybe a focus issue? we had it on autofocus last time, but don't know if there are any issues with sony's timelapse application interacting with that (like maybe it only autofocuses when you hit start)
[18:19] <PE2BZ> 1/1000 on a raspberry Pi camera, no blur. I would indeed suggest another reason for the blur. With 1/2500 you can record a second place finishing F1 racecar :-)
[18:19] <Sa_ber> PE2BZ oh wow, that is a lot better than what we have been able to get!
[18:20] <PE2BZ> http://pe2bz.synology.me:6080/photo/?t=Albums%2Falbum_48414220416c62756d73&fbclid=IwAR2v6fRTxqLNq9oqqz3BEBUc9oC4ieVegT_P7Fmh4gEROW9m_Y4YAbZew6E#!Albums/album_48414220416c62756d73/album_48414220416c62756d732f73617665
[18:20] <PE2BZ> Does that work ? Has a lot of northsea images which can be skipped ;-)
[18:23] <Sa_ber> it does, thank you for sending! I'm guessing the pi camera is fixed focus?
[18:24] <PE2BZ> Yes, it is. Takes a bit of time to adjust, from work I have a view on the skyline for The Hague, at abou 12 km distance. That´s what I use to adjust the focus
[18:25] <PE2BZ> https://photos.app.goo.gl/CjbUhpJQfkD6V4FbA
[18:25] <PE2BZ> How the remains of that payload looked after being recovered and on board of a fishing ship for 7 days.
[18:27] <PE2BZ> And take off https://photos.app.goo.gl/sjcBJqMFyqTmQA4t8
[18:28] <PE2BZ> I still am aiming at a Pi Camera flight which would float at about 3500 m altitude above the Netherlands with balloon eject mechanism for recovery. All below 7000 m gives the clearest images
[18:29] <Sa_ber> oh gosh, luckily we haven't had a water landing yet. Landowners have been very gracious letting us on their property - our most difficult recovery was 20m up in a tree that we couldn't climb though
[18:30] <PE2BZ> I still have one Pi Camera flight (Sunny day with snowy weather) being lost somewhere. Last report at 4800 m altitude descending....
[18:35] <Sa_ber> what is your average flight time? are you using APRS? (I know its not legal for this sort of use in some countries)
[18:37] <PE2BZ> We are allowed all modes, all frequencies over here as radio amateur. Even had the rules changed so I can send my ID in my transmission mode, no need to interrupt LoRa transmission for CW identification anymore.
[18:37] <PE2BZ> Usually 2.5 - 3 hours from launch to landing, for the images either LoRa mode 3 (high resolution but longer time) or LoRa mode 1 (low resolution)
[18:38] <PE2BZ> We even did fly Wenet modulation some times
[18:39] <PE2BZ> But the number of listeners over here is better for LoRa, despite the closed source for the hardware
[18:53] <PE2BZ> Some wenet info https://github.com/projecthorus/wenet
[18:54] Action: PE2BZ is signing off for today
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[19:37] <SpacenearUS> New vehicle on the map: 03DL1SWT_chase - 12https://tracker.habhub.org/#!qm=All&q=DL1SWT_chase
[19:53] <SpacenearUS> New vehicle on the map: 03OM5KV_chase - 12https://tracker.habhub.org/#!qm=All&q=OM5KV_chase
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[20:24] <Matt|home> o\
[20:24] <Matt|home> bought my first model rocket a few days ago. had some questions about uh.. what's it called
[20:24] <Matt|home> telemetry
[20:26] <Matt|home> like.. do you normally keep components on the outside or inside of the rocket or does it not really matter..
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[22:33] <SpacenearUS> New position from 03SA6BSS-7 after 033 days silence - 12https://tracker.habhub.org/#!qm=All&q=SA6BSS-7
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[23:07] <SpacenearUS> New position from 03N4XWC-1 after 039 hours silence - 12https://tracker.habhub.org/#!qm=All&q=N4XWC-1
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[00:00] --- Tue Sep 28 2021