highaltitude.log.20211028

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[00:28] <SkySearch> Hello everyone! Just a quick question, is it just me, or tracker.habhub.org doesn't work? Also site certificate expired yesterday
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[00:42] <adi18> Yeh same for me also
[00:43] <SkySearch> I guess it stopped working because of expired certificate
[00:45] <SkySearch> Now I will probably need to setup my own listening post to track balloons, damn.
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[04:09] <SpacenearUS> New vehicle on the map: 03griffin2 - 12https://tracker.habhub.org/#!qm=All&q=griffin2
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[04:27] <adi18> That's me testing :)
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[07:14] <SA6BSS-Mike1> Raspberry Pi Zero 2 W relese today, amazing power put into that small formfactor!
[07:16] <SpacenearUS> New position from 03B-69 after 039 hours silence - 12https://tracker.habhub.org/#!qm=All&q=B-69
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[07:30] <SpacenearUS> New position from 03NOB9 after 032 days silence - 12https://tracker.habhub.org/#!qm=All&q=NOB9
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[07:55] <fsphil> I hope they add something similar to the Pico's PIO sometime
[07:57] <daveake> That would be great
[07:58] <daveake> Stick those kernel drives for s/w i2c etc into the PIO
[07:59] <daveake> have as many uarts as you want
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[08:21] <SA6BSS-Mike> it sems the certificate error is fixed
[08:29] <fsphil> the web server just needed to be reloaded, was still using an old certificate
[08:30] <SA6BSS-Mike> rr
[08:31] <fsphil> nice to see B-69 still flying
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[09:27] <jacoxon> if anyone wants to help with testing a possible new dl-fldigi could they send me a message, ideally up to date linux
[09:30] <VK5QI> you've managed to work the habitat stuff into a more recent version of fldigi?
[09:32] <jacoxon> sort of, there has been a version which has been kept up to date to about 2yrs ago
[09:32] <VK5QI> oh
[09:32] <VK5QI> thatsbetter
[09:32] <jacoxon> but i've started work on a new version of habitat to replace the old one
[09:33] <jacoxon> which was written in 2012
[09:33] <VK5QI> thats about when i did a comparison in RTTY decode performance between dl-fldigi, fldigi, and the fsk demod in horus-gui
[09:33] <jacoxon> VK5QI yeah i remember there being an issue with rtty, would need to be re-assessed i suspect
[09:33] <VK5QI> the fldigi at the time was a few db better than dl-fldigi (though I expect it is less tolerant of poor modulation), it was still about 0.7 dB worse than horus-gui
[09:33] <VK5QI> imo the issue is likely more the modulator
[09:34] <jacoxon> i'm proposing a new system using mqtt to glue multiple different data sources together
[09:34] <jacoxon> https://github.com/ukhas-saturn/system_design
[09:34] <VK5QI> we found this recently with radiolib, which was inserting short periods of sleep betwen bytes, which completely messes things up
[09:34] <VK5QI> i suspect the latest fldigi is going to be far less tolerant of poorly modulated RTTY
[09:36] <jacoxon> i suspect so, also not sure we have much of an excuse anylonger for not using more accurate timing
[09:36] <VK5QI> yes
[09:36] <VK5QI> interrupt-based modulation is not that difficult
[09:36] <jacoxon> even i can do it :-)
[09:36] <daveake> :D
[09:37] <VK5QI> but yeah, this was the issue i had reported to me with horus-gui 'oh its not decoding my payload'
[09:37] <VK5QI> answer: fix your payload
[09:37] <daveake> heh
[09:38] <jacoxon> continuing dl-fldigi is more in my mind maintaining some of those other systems like contestia
[09:38] <VK5QI> yes, thats still used in some areas
[09:38] <VK5QI> like... LeoBodnar :P
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[09:40] <SA6BSS-Mike> and sp9oub
[09:40] <VK5QI> right
[09:42] <fsphil> it would be nice to have a version that doesn't take 60 minutes of hacking out chunks of code to get to build
[09:43] <PE2BZ> jacoxon, upgrade process started. 600 MB/s fiber to the home, the download should not take long, 3 minutes, the I3 however could need some time
[09:44] <jacoxon> fsphil i've got it compiled on ubuntu 20.04 and also OS X on my M1
[09:44] <jacoxon> rather enjoy doing 'make -j7' and compiling in under 60 seconds
[09:45] <fsphil> haha. I'll try it on fedora later
[09:45] <PE2BZ> One of the lessons learned yesterday, make took 4 minuts, make -j4 took about 60 seconds too.
[09:46] <dfgg> but take race conditions into account
[09:46] <dfgg> some poorly written makefiles can crash compilation on more than one core
[09:46] <PE2BZ> Can you use make with an option to use the maximum number of cores ?
[09:46] <dfgg> but for *fldigi this shouldnt be issue
[09:47] <jacoxon> PE2BZ i always leave one thread spare for doing other stuff
[09:47] <jacoxon> otherwise things get a little slow
[09:50] <fsphil> is it the saturn-fldigi repo?
[09:50] <jacoxon> yeah
[09:50] <jacoxon> well https://github.com/ukhas-saturn/dl-fldigi
[09:51] <VK5QI> im still sondering if a sidecar app for regular fl-digi is a better option
[09:51] <jacoxon> i've deleted the saturn-fldigi repo now as its all been moved and restarted on the ukhas-saturn organisation
[09:51] <VK5QI> fldigi has heaps of interfaces for controlling it and getting data out of it
[09:51] <jacoxon> VK5QI so thats how we did it in the old days
[09:52] <jacoxon> but extra programs just created loads of stress trying to get people to install it
[09:52] <VK5QI> stuff like setting modes, etc is doable via those interfaces
[09:52] <VK5QI> sure, but it means you'r enot trying to continually maintain a fork of fldigi
[09:52] <VK5QI> those interfaces are less likely to change drastically
[09:52] <jacoxon> it also was a time when we needed as many 'listeners' as we could
[09:52] <VK5QI> and you can make said sidecar app cross-platform
[09:53] <VK5QI> even in something like python, with pyinstaller
[09:54] <jacoxon> or browser based
[09:54] <jacoxon> localhost
[09:54] <VK5QI> hrm
[09:54] <VK5QI> maybe
[09:55] <VK5QI> interfaces to fldigi are xmlrpc and tcp for data i think?
[09:55] <jacoxon> https://github.com/jamescoxon/dl-fldigi-XMLRPC
[09:55] <jacoxon> from a long time ago
[09:55] <VK5QI> yeah i use the TCP interface (ARQ?) for getting bytes out
[09:55] <VK5QI> michaela-lgbt:
[09:56] <michaela-lgbt> jacoxon: I can info dump some information around mqtt design thoughts / issues that we ran into with sondehub if you'd like
[09:57] <jacoxon> fsphil i've updated the repo again to use latest habitat-cpp-connector
[09:57] <jacoxon> michaela-lgbt thanks, more info the better really so yes please
[09:57] <VK5QI> the issues we encoutner with sondehub are essentially the same issues that you'd encounter with this system. the only difference would be the parser
[09:57] <michaela-lgbt> jacoxon: cool, I'll chuck it in an github issue, but note that it's not so much an issue but rather just a collection of things we bumped into that might want some thought
[09:58] <jacoxon> haha i won't take offence, github doesn't really have a good system for - 'here are some ideas'
[10:21] <jacoxon> michaela-lgbt thanks - super helpful, i'm a massive fan of redis (i perhaps use it too much)
[10:22] <michaela-lgbt> yeah, there have been a few times where I think about how useful it would be to solve specific sondehub issues
[10:22] <michaela-lgbt> but yet another server to run which means more $$$
[10:23] <jacoxon> yes i fully appreciate that
[10:24] <VK5QI> that might become less of an issue
[10:28] <fsphil> redis is pretty great
[10:35] <fsphil> logbook/qrzlib.cxx:817:28: error: reference to empty is ambiguous
[10:37] <fsphil> c++ has its own "empty", conflicting with the string in qrzlib.cxx
[10:40] <fsphil> widgets/picture.cxx:542:40: error: streampos is not a member of std::ostringstream {aka std::__cxx11::basic_ostringstream<char>}
[10:41] <fsphil> those are the only two errors on fedora 34
[10:42] <jacoxon> fsphil wanna stick them in the issues and i can take a look
[10:42] <jacoxon> or have you patched them already :-)
[10:43] <fsphil> the first one is easy to fix, just rename the local "empty"
[10:43] <fsphil> the second one I just commented out the block of code :) still needs a proper fix
[10:43] <VK5QI> are these not issues in mainline fldigi too?
[10:44] <jacoxon> yeah i'll take a look at mainline and see what they have done to fix it
[10:44] <jacoxon> remember saturn dl-fldigi is still a little old
[10:45] <jacoxon> oh wait can't make issues on a fork of a fork :-)
[10:54] <SpacenearUS> New position from 03YO3HCM after 032 days silence - 12https://tracker.habhub.org/#!qm=All&q=YO3HCM
[10:55] <jacoxon> fsphil looks like in recent fldigi they have moved their definition of empty to within QRZ:ReadRec()
[10:57] <jacoxon> https://sourceforge.net/p/fldigi/fldigi/ci/4c7fcee25d3476f15697750be5c608056b92b51b/
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[11:58] <fsphil> sourceforge, there's a blast from the past
[12:00] <SpacenearUS> New position from 03N4XWC-1 after 0312 hours silence - 12https://tracker.habhub.org/#!qm=All&q=N4XWC-1
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[12:20] <SpacenearUS> New position from 03TrEs2Lora after 032 days silence - 12https://tracker.habhub.org/#!qm=All&q=TrEs2Lora
[12:20] <ly2en> so how much does the new rpi0-2w2 weigh?
[12:22] <SA6BSS-Mike> the old one weight 9gram so Im guessing in the about the same
[12:24] <ly2en> they say in the article that you can tell the difference by comparing old v.s. new in your palms
[12:24] <ly2en> thick internal copper layers to conduct heat away
[12:24] <SpacenearUS> New vehicle on the map: 03TrEs1Lora - 12https://tracker.habhub.org/#!qm=All&q=TrEs1Lora
[12:25] <ly2en> so probably about +2-3 grams
[12:26] <ly2en> https://blog.alexellis.io/raspberry-pi-zero-2/
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[12:45] <SpacenearUS> New vehicle on the map: 03AA1PJ-11 - 12https://tracker.habhub.org/#!qm=All&q=AA1PJ-11
[12:53] <PE2BZ> If my Ubuntu upgraded machine to 20.04 sticks at /dev/sda2:clean numer of files , number of blocks on the top of the screen ?
[12:54] <jacoxon> PE2BZ i'll do some research why thats still an issue
[12:55] <PE2BZ> I might need a clean install on that computer now...
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[14:31] <PE2BZ-ubu> jacoxon now on clean 20.04 installation, different error
[14:31] <PE2BZ-ubu> mv: cannot stat 't-el.gmo': No such file or directorymv:
[14:31] <PE2BZ-ubu> cannot stat 't-es.gmo': No such file or directory
[14:32] <PE2BZ> Complete message in personal box ;-)
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[14:39] <PE2BZ> sudo apt install gettext got me passed that
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[15:07] <SpacenearUS> New vehicle on the map: 03F5APQ_chase - 12https://tracker.habhub.org/#!qm=All&q=F5APQ_chase
[15:08] <SpacenearUS> New position from 03KD2FOU-11 after 0320 hours silence - 12https://tracker.habhub.org/#!qm=All&q=KD2FOU-11
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[15:14] <SpacenearUS> New vehicle on the map: 03SSTAR0462 - 12https://tracker.habhub.org/#!qm=All&q=SSTAR0462
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[15:21] <SpacenearUS> New vehicle on the map: 03SSTAR0461 - 12https://tracker.habhub.org/#!qm=All&q=SSTAR0461
[15:24] <SpacenearUS> New position from 03SP3IZN-11 after 036 days silence - 12https://tracker.habhub.org/#!qm=All&q=SP3IZN-11
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[15:56] <YO3ICT> I have a custom LoRa mode (explicit, EC 4/5, SF 7, BW 250K) that can be successfully received on a receiver with the same LoRa mode but different EC (4/6). Can someone explain why?
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[17:15] <SpacenearUS> New vehicle on the map: 03ZS6SRC-7 - 12https://tracker.habhub.org/#!qm=All&q=ZS6SRC-7
[17:31] <SpacenearUS> New vehicle on the map: 03PB0AHX-4FSK - 12https://tracker.habhub.org/#!qm=All&q=PB0AHX-4FSK
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[19:16] <PE2BZ> jacoxon, just to make sure we donĀ“t overlook this dependencie
[19:16] <PE2BZ> * PE2BZ-ubu (~PE2BZ-ubu@141.224.228.75) has joined
[19:16] <PE2BZ> <PE2BZ-ubu> jacoxon now on clean 20.04 installation, different error
[19:16] <PE2BZ> <PE2BZ-ubu> mv: cannot stat 't-el.gmo': No such file or directorymv:
[19:16] <PE2BZ> <PE2BZ-ubu> cannot stat 't-es.gmo': No such file or directory
[19:16] <PE2BZ> <PE2BZ> Complete message in personal box ;-)
[19:16] <PE2BZ> * YO9GJX (~YO9GJX@109.100.112.132) has joined
[19:16] <PE2BZ> <PE2BZ> sudo apt install gettext got me passed that
[19:16] <jacoxon> yup, added it
[19:16] <jacoxon> just need to push it
[19:16] <PE2BZ> :-)
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[23:12] <SpacenearUS> New position from 03N4XWC-1 after 039 hours silence - 12https://tracker.habhub.org/#!qm=All&q=N4XWC-1
[23:12] <SpacenearUS> New position from 03griffin2 after 0314 hours silence - 12https://tracker.habhub.org/#!qm=All&q=griffin2
[23:25] <SpacenearUS> New vehicle on the map: 03HORUSBINARY - 12https://tracker.habhub.org/#!qm=All&q=HORUSBINARY
[00:00] --- Fri Oct 29 2021