[00:10] New position from 03KM4ZIA-3 after 0315 hours silence - 12https://tracker.habhub.org/#!qm=All&q=KM4ZIA-3 [00:11] Laurenceb (~laurence@111.207.208.46.dyn.plus.net) left irc: Ping timeout: 252 seconds [00:17] Hoogvlieger (~Hoogvlieg@2001:1c03:3e10:3c00:78e0:2fe2:1b69:e238) joined #highaltitude. [00:19] krispaul (~paul@unaffiliated/kristianpaul) left irc: Ping timeout: 252 seconds [00:20] krispaul (~paul@unaffiliated/kristianpaul) joined #highaltitude. [03:24] New vehicle on the map: 03W2CXM-10 - 12https://tracker.habhub.org/#!qm=All&q=W2CXM-10 [03:27] Chrischan (~Chrischan@ip5f5aff74.dynamic.kabel-deutschland.de) joined #highaltitude. [03:55] tweetBot (~nodebot@philcrump.co.uk) left irc: Remote host closed the connection [03:55] tweetBot (~nodebot@philcrump.co.uk) joined #highaltitude. [03:59] krispaul (~paul@unaffiliated/kristianpaul) left irc: Ping timeout: 246 seconds [04:00] krispaul (~paul@unaffiliated/kristianpaul) joined #highaltitude. [05:08] BitEvil (~quassel@tor/regular/SpeedEvil) joined #highaltitude. [05:08] Nick change: SpeedEvil -> Guest17949 [05:09] Guest17949 (~quassel@tor/regular/SpeedEvil) left irc: Ping timeout: 260 seconds [06:07] YO9GJX (~YO9GJX@109.100.112.132) left irc: Remote host closed the connection [06:30] Djelme (ChrisG@82-64-27-79.subs.proxad.net) joined #highaltitude. [06:30] Hi all :) [06:32] Good morning [06:33] Over here it is morning :-) [06:37] gm o/ [06:38] Hi, here too, 08 am :) [06:40] Nick change: Djelme -> F4IKE [06:40] better :) [06:52] Lahti (~Lahti@dzlcqfjfz2f1hs1jzgz-4.rev.dnainternet.fi) joined #highaltitude. [06:54] F4IKE (ChrisG@82-64-27-79.subs.proxad.net) left irc: [06:55] F4IKE (ChrisG@82-64-27-79.subs.proxad.net) joined #highaltitude. [06:58] Djelme (ChrisG@82-64-27-79.subs.proxad.net) joined #highaltitude. [06:58] Djelme (ChrisG@82-64-27-79.subs.proxad.net) left irc: Client Quit [07:00] F4IKE (ChrisG@82-64-27-79.subs.proxad.net) left irc: Remote host closed the connection [07:00] F4IKE (ChrisG@82-64-27-79.subs.proxad.net) joined #highaltitude. [07:01] F4IKE (ChrisG@82-64-27-79.subs.proxad.net) left irc: Remote host closed the connection [07:01] F4IKE (ChrisG@82-64-27-79.subs.proxad.net) joined #highaltitude. [07:08] Any idea if PEPER-3 lora is on the same frequency as the RTTY (435.7255)? I must be missing some detailed links :-) [07:14] GM Joost [07:14] Peper-3 is indeed same QRG for LoRa and RTTY [07:15] Lora mode 2, 62,5 kHz so with AFC on it should easily tune to the right frequency [07:15] If you are on Facebook you could join HAB-NL [07:16] GM Ben, thanks for the info. I'll give it a try. Ah, that group is what I'm missing :-) [07:17] I'm curious to see if my RFM works with the NodeMCU. [07:28] BitEvil (~quassel@tor/regular/SpeedEvil) left irc: Ping timeout: 246 seconds [07:32] SpeedEvil (~quassel@tor/regular/SpeedEvil) joined #highaltitude. [07:43] LazyLeopard (~irc-clien@chocky.lazyleopard.org.uk) joined #highaltitude. [08:14] tweetBot (~nodebot@philcrump.co.uk) left irc: Remote host closed the connection [08:14] tweetBot (~nodebot@philcrump.co.uk) joined #highaltitude. [08:17] Welcome ON3JT_Joost @ the FB page HAB.nl :) [08:20] Haha thanks, I knew I was missing some info ;-) [08:22] Laurenceb (~laurence@111.207.208.46.dyn.plus.net) joined #highaltitude. [08:38] New position from 03VE3OCL-18 after 0311 hours silence - 12https://tracker.habhub.org/#!qm=All&q=VE3OCL-18 [08:44] Kodar (~Kodar@93-142-44-27.adsl.net.t-com.hr) joined #highaltitude. [08:48] New position from 03K4UAH-6 after 0314 hours silence - 12https://tracker.habhub.org/#!qm=All&q=K4UAH-6 [08:50] f5apq (51313077@lfbn-lil-1-456-119.w81-49.abo.wanadoo.fr) joined #highaltitude. [08:55] buttim (~buttim@host-82-54-206-199.retail.telecomitalia.it) joined #highaltitude. [08:58] jess (jess@freenode/staff/jess) joined #highaltitude. [09:19] Nick change: F4IKE -> F4ike [09:25] New position from 03PEPER-3 after 0313 hours silence - 12https://tracker.habhub.org/#!qm=All&q=PEPER-3 [10:03] kedidie (~kedidie@ptr-4inhh45t3cqd4nl599.18120a2.ip6.access.telenet.be) joined #highaltitude. [10:10] New position from 03hera-four-test after 0314 hours silence - 12https://tracker.habhub.org/#!qm=All&q=hera-four-test [10:12] fl_0 (unknown@unaffiliated/fl-0/x-7355575) left irc: Ping timeout: 240 seconds [10:12] fl__0 (~fl_0@unaffiliated/fl-0/x-7355575) joined #highaltitude. [10:21] New vehicle on the map: 03HB9FKC-11 - 12https://tracker.habhub.org/#!qm=All&q=HB9FKC-11 [10:22] New vehicle on the map: 03SA6BSS-8 - 12https://tracker.habhub.org/#!qm=All&q=SA6BSS-8 [10:47] f5apq (51313077@lfbn-lil-1-456-119.w81-49.abo.wanadoo.fr) left irc: Quit: Connection closed [11:23] New position from 03N4XWC-1 after 039 hours silence - 12https://tracker.habhub.org/#!qm=All&q=N4XWC-1 [11:38] Hoogvlieger1 (~Hoogvlieg@2001:1c03:3e10:3c00:78e0:2fe2:1b69:e238) joined #highaltitude. [11:41] Hoogvlieger (~Hoogvlieg@2001:1c03:3e10:3c00:78e0:2fe2:1b69:e238) left irc: Ping timeout: 250 seconds [12:09] Hoogvlieger1 (~Hoogvlieg@2001:1c03:3e10:3c00:78e0:2fe2:1b69:e238) left irc: Quit: Leaving [12:11] New position from 03NC4ES-12 after 0315 hours silence - 12https://tracker.habhub.org/#!qm=All&q=NC4ES-12 [12:25] Kodar (~Kodar@93-142-44-27.adsl.net.t-com.hr) left irc: Quit: Leaving [12:34] rubdos (~rubdos@whisperfish/rubdos) left irc: Quit: WeeChat 3.0.1 [12:42] Kodar (~Kodar@93-142-22-123.adsl.net.t-com.hr) joined #highaltitude. [12:53] New position from 03NC4ES-2 after 037 hours silence - 12https://tracker.habhub.org/#!qm=All&q=NC4ES-2 [12:57] rubdos (~rubdos@whisperfish/rubdos) joined #highaltitude. [13:06] F4ike (ChrisG@82-64-27-79.subs.proxad.net) left irc: Remote host closed the connection [13:17] New vehicle on the map: 03F0FER_chase - 12https://tracker.habhub.org/#!qm=All&q=F0FER_chase [13:37] Kodar (~Kodar@93-142-22-123.adsl.net.t-com.hr) left irc: Ping timeout: 252 seconds [13:41] Kodar (~Kodar@93-142-0-135.adsl.net.t-com.hr) joined #highaltitude. [13:51] buttim (~buttim@host-82-54-206-199.retail.telecomitalia.it) left irc: Read error: Connection reset by peer [13:52] New position from 03W3UAV-15 after 034 days silence - 12https://tracker.habhub.org/#!qm=All&q=W3UAV-15 [14:03] Kodar (~Kodar@93-142-0-135.adsl.net.t-com.hr) left irc: Ping timeout: 265 seconds [14:08] New position from 03ICT6 after 0315 hours silence - 12https://tracker.habhub.org/#!qm=All&q=ICT6 [14:16] New vehicle on the map: 03ALEX1 - 12https://tracker.habhub.org/#!qm=All&q=ALEX1 [14:31] Kodar (~Kodar@93-139-189-255.adsl.net.t-com.hr) joined #highaltitude. [14:42] Haxxa (~Haxxa@122-199-44-212.ip4.superloop.com) left irc: Ping timeout: 240 seconds [14:57] Haxxa (~Haxxa@122.199.47.64) joined #highaltitude. [15:23] chris_99 (uid26561@gateway/web/irccloud.com/x-yxkwtgagaxtwenfq) joined #highaltitude. [15:25] New vehicle on the map: 03Hapros-C_Chase - 12https://tracker.habhub.org/#!qm=All&q=Hapros-C_Chase [15:29] New position from 03HAPROS after 035 days silence - 12https://tracker.habhub.org/#!qm=All&q=HAPROS [16:24] YO9GJX (~YO9GJX@109.100.112.132) joined #highaltitude. [17:05] New position from 03FDH after 035 days silence - 12https://tracker.habhub.org/#!qm=All&q=FDH [17:05] buttim (~buttim@mob-31-157-33-184.net.vodafone.it) joined #highaltitude. [17:40] New vehicle on the map: 03SQ9FOX - 12https://tracker.habhub.org/#!qm=All&q=SQ9FOX [18:20] JimGM0UIN_ (sid395858@gateway/web/irccloud.com/x-bhiiwjkekqzyiehl) joined #highaltitude. [18:23] sumie-dh_ (~sumie-dh@s3.virtualbox.cz) joined #highaltitude. [18:26] New position from 03SQ3XBD-4FSK after 033 days silence - 12https://tracker.habhub.org/#!qm=All&q=SQ3XBD-4FSK [18:26] buttim (~buttim@mob-31-157-33-184.net.vodafone.it) left irc: Ping timeout: 265 seconds [18:28] JimGM0UIN (sid395858@gateway/web/irccloud.com/x-bvnoxozzfuvotfgq) left irc: Ping timeout: 276 seconds [18:28] Guest18173 (maxellpixi@gateway/shell/pixie/x-yttrjurujrqnrwra) left irc: Ping timeout: 276 seconds [18:28] KingJ (~kj@2001:bc8:2384:dec0:ded::1) left irc: Ping timeout: 276 seconds [18:28] sumie-dh (~sumie-dh@s3.virtualbox.cz) left irc: Ping timeout: 276 seconds [18:28] Nick change: JimGM0UIN_ -> JimGM0UIN [18:30] KingJ (~kj@2001:bc8:2384:dec0:ded::1) joined #highaltitude. [18:30] Guest18173 (maxellpixi@gateway/shell/pixie/x-mvqzvqrcaqxsncni) joined #highaltitude. [18:31] LazyLeopard (~irc-clien@chocky.lazyleopard.org.uk) left irc: Ping timeout: 265 seconds [18:33] LazyLeopard (~irc-clien@chocky.lazyleopard.org.uk) joined #highaltitude. [18:35] rubdos (~rubdos@whisperfish/rubdos) left irc: Ping timeout: 250 seconds [18:36] OZ7EMA (~emanuel_@2001:b07:ad4:b747:3074:80da:13e8:e1b1) joined #highaltitude. [18:40] buttim (~buttim@mob-31-157-3-92.net.vodafone.it) joined #highaltitude. [18:44] rubdos (~rubdos@whisperfish/rubdos) joined #highaltitude. [18:51] Haxxa (~Haxxa@122.199.47.64) left irc: Ping timeout: 246 seconds [19:00] Haxxa (~Haxxa@122.199.47.8) joined #highaltitude. [19:10] Nick change: fl__0 -> fl_0 [19:19] I need some help with auto_rx [19:19] it works quite well, *but* [19:19] only if I use frequencies on a whitelist [19:19] apparently pure scan does not work [19:20] I did not do extensive testing but I'd like to know if someone has seen something similar [19:30] New position from 03N0PPP-4 after 0313 hours silence - 12https://tracker.habhub.org/#!qm=All&q=N0PPP-4 [19:31] buttim: how are your noise levels? [19:31] I've seen SNR as high as 30dB [19:32] ...if that's what you mean [19:32] what seems strange is I actually see peaks above threshold [19:32] but no decoder gets launched [19:32] for auto_rx we've wound some traps [19:32] to actually filter out the qrm [19:33] https://pasteboard.co/JZjlHvb.png [19:34] I guess it's just a piece of breadboard and some coated wire [19:34] [me <- frantically searching on Wikipedia] [19:36] https://twitter.com/ryan_gedminas/status/1242220719599013888 [19:38] in such a situation shouldn't a decoder being started? https://pasteboard.co/JZjnzER.png [19:44] well it looks better than some scans i've seen [19:48] well, actually no sondes around here right now [19:48] but shouldn't auto_rx run a decoder ? [19:51] what's up in your log? [19:51] like: [19:52] 2021-04-27 19:50:23,883 INFO:Scanner #0 - Running frequency scan. [19:52] 2021-04-27 19:50:44,272 INFO:Scanner #0 - Detected peaks on 10 frequencies (MHz): [402.79 400.82 400.81 400.69 400.8 401.34 400.68 401.35 401.21 400.7 ] [19:52] etc etc [19:52] and you should get: [19:52] 2021-04-27 05:09:44,844 INFO:Task Manager - Detected new IMET sonde on 404.950 MHz! [19:53] 2021-04-27 05:09:44,846 INFO:Halting Scanner to decode detected radiosonde. [19:53] or an error saying something's off [19:53] that's more or less what i see when using a whiltelist [19:54] but without a whitelist [19:54] a get "Scanner #0 - Detected peaks on 4 frequencies (MHz): [403.2 405.87 405.89 405. ]" [19:54] and then "Scanner #0 - Running frequency scan." [19:54] again [19:55] decoder is triggered by sonde detection [19:55] not peak detection? [19:55] scanner sends the data to task manager and it decides whether to kick in the decoder [19:55] A-ha! [19:56] thanks, that's my wrong reasoning [19:57] https://p.defau.lt/?if_Qyt7nCnQnsHsyjpiGJA [19:58] here's more context on how a sonde detection looks in the log [19:58] later I will try with no whitelist, maybe it was just a wrong idea in my head [19:58] yeah, I don't have any whitelist [19:58] How the task manager decides that it'a sonde? [19:59] i'd have to look at the code to understand it at that depth [19:59] here's a sample station config, no whitelist: [19:59] https://p.defau.lt/?zBrdc9aurj0C2wtdR6RCcA [20:00] aaaand the website itself: http://sdr.vhf.lt:8073/ [20:00] we have a LOT more of QRM [20:01] that's the reason for the blacklist? [20:03] yes but you can't just have all of the irregular qrm spikes on the blacklist [20:03] New position from 03KK6BJ-15 after 0313 hours silence - 12https://tracker.habhub.org/#!qm=All&q=KK6BJ-15 [20:03] so we've just put the most persistent ones [20:04] I think I should do the same with the peaks I showed you [20:05] that would make sense, yep [20:06] happysat (~katpoep@unaffiliated/happysat) left irc: Remote host closed the connection [20:06] should I set a gain? [20:06] or just go on with auto gain? [20:07] don't worry too much about the gain, auto should work just fine [20:08] ok, great [20:08] it really depends a lot on your environment, once you'll get used to it, check out what is the auto value [20:08] and try playing with it up and down to see if you'll get better results [20:08] but now you probably need a working baseline configuration [20:08] how can I kknow what the auto value is? [20:09] I bet there is a log verbosity option [20:09] what type of SDR do you have ? [20:10] it might be a "Raffaello" [20:10] can't check right now, I'm not at home [20:11] OZ7EMA (~emanuel_@2001:b07:ad4:b747:3074:80da:13e8:e1b1) left irc: Quit: My MacBook has gone to sleep. ZZZzzz& [20:11] green aluminum box [20:12] basically any sdr will come with a set of tools [20:12] example rtlsdr comes with a CLI utility `rtl_test` [20:12] https://p.defau.lt/?sEAA8Kcd5w86gwfvJymK4Q [20:12] and beware gain values have to be "supported", it can't be an arbitrary value [20:13] very similar to this: https://it.aliexpress.com/item/32903103541.html?albpd=it32903103541&acnt=494-037-6276&aff_platform=aaf&albpg=539263010115&netw=u&albcp=12556513086&sk=UneMJZVf&trgt=539263010115&terminal_id=48875a4be66448d3afe7cff686b7402b&tmLog=new_Detail&needSmbHouyi=false&albbt=Google_7_shopping&src=google&crea=it32903103541&aff_fcid=71c9dd4c19dc45f3bd0817b356d6d2d5-1619554350518-06537-UneMJZVf&gclid=CjwKCAjw7J6EBhBDEiwA5UUM2j [20:13] -OR6ZLAXC0kdY2FTLlK9mh0sVE2GAQz7g4qB2Msb1qAgnIKbxbBRoCF3cQAvD_BwE&albag=120214549340&aff_fsk=UneMJZVf&albch=shopping&albagn=888888&isSmbAutoCall=false&aff_trace_key=71c9dd4c19dc45f3bd0817b356d6d2d5-1619554350518-06537-UneMJZVf&device=c&gclsrc=aw.ds [20:13] ups [20:13] didn't realize the link was sooooo long [20:13] I think you've meant https://it.aliexpress.com/item/32903103541.html [20:14] so that's an RTL-SDR basically, nothing special to it [20:14] ah, you're wrong: I payed a lot for it: it *must* be special [20:14] LOL [20:15] Haxxa (~Haxxa@122.199.47.8) left irc: Quit: Haxxa flies away. [20:15] yes, sorry for my mistake [20:15] if that was just 13 euros, totally worth it [20:16] so, i run rtl_test and it tells me a list of possible gain values, right? [20:16] yes and there is a way to see what works best for you [20:16] sadly it was 4x that, I bought it locally [20:16] you can run rtl_tcp and check out the signal quality through gqrx and watch the signal [20:16] hmmmm [20:17] Win10 here [20:17] any sdr able connecting to tcp stream would work [20:17] like sdr# i presume [20:17] I'll try when at home [20:17] yeah that would do [20:18] no hope from here [20:18] since you're in this business, I'd suggest to have a linux workstation for playing with this stuff :) [20:18] too slow a connection I'm afraid [20:18] I have a couple of old portables [20:18] Mint and Lubuntu [20:19] but I'm too afraid of the full switch [20:19] I'm too old for that :) [20:19] anyway, win10 has many tools available [20:20] and remember rtl_sdr is the cheapest [20:20] it has no built in filtering so you will need to make a filter anyway for better results [20:20] ghoti (~paul@dynamic-66-102-72-164.wtccommunications.ca) joined #highaltitude. [20:20] that's great info [20:21] basically if you'd compare RTL_SDR with HackRF simply on the same antenna [20:21] you would immediately know which one is which [20:21] do you know of any stupid-proof instructions to build one? [20:21] the noise floor is way much lower for things in the range of 200EUR+ [20:21] you mean antenna? for sondes ? [20:21] filter [20:22] I built a Yagi which works quite well [20:22] and keeps me busy for a few hours trying to orient it, LOL [20:22] so you say you threw 50 euros for the sdr? [20:22] this is goin to be cheaper: [20:22] https://store.uputronics.com/index.php?route=product/product&product_id=54 [20:23] ugh, not really cheap [20:23] I mean for "just" a filter [20:24] well, filter is it's secondary function [20:24] it also preamplifies the signal, +21dB [20:24] true [20:24] wow [20:24] that's something [20:24] you're teasing me [20:26] filters are quite simple schematics [20:26] https://www.electronics-tutorials.ws/filter/filter_4.html [20:26] you could find a bandpass filter calculator and do the math for 403mhz [20:27] "Found Rafael Micro R820T tuner" [20:27] Supported gain values (29): 0.0 0.9 1.4 2.7 3.7 7.7 8.7 12.5 14.4 15.7 16.6 19.7 20.7 22.9 25.4 28.0 29.7 32.8 33.8 36.4 37.2 38.6 40.2 42.1 43.4 43.9 44.5 48.0 49.6 [20:27] Haxxa (~Haxxa@122.199.47.8) joined #highaltitude. [20:28] so for an rtl2832u it's probably same everywhere [20:28] :) [20:30] basically you still have some homework left to do [20:31] thanks for the infos [20:31] lol [20:31] I'll let you know if tonight I can catch the waves from some sonde [20:31] yeah, post it to aprs-is [20:31] do you have a ham radio callsign ? [20:32] nope [20:33] but my station is named like me here [20:33] not surprisingly [20:33] allright, nice to meet you :) [20:33] Turin, Italy [20:33] it was a pleasure [20:46] same here [20:46] https://twitter.com/kelionebalionu/status/1387125095802486786 [21:20] chris_99 (uid26561@gateway/web/irccloud.com/x-yxkwtgagaxtwenfq) left irc: [21:22] New position from 03K4UAH-5 after 0314 hours silence - 12https://tracker.habhub.org/#!qm=All&q=K4UAH-5 [21:28] Kodar (~Kodar@93-139-189-255.adsl.net.t-com.hr) left irc: Read error: Connection reset by peer [21:46] buttim (~buttim@mob-31-157-3-92.net.vodafone.it) left irc: Ping timeout: 276 seconds [22:09] Lahti (~Lahti@dzlcqfjfz2f1hs1jzgz-4.rev.dnainternet.fi) left irc: Quit: Lähdössä [22:10] happysat (~katpoep@unaffiliated/happysat) joined #highaltitude. [22:13] ly2en: bugger uploading to aprs-is, upload to sondehub :-) [22:14] kedidie (~kedidie@ptr-4inhh45t3cqd4nl599.18120a2.ip6.access.telenet.be) left irc: Remote host closed the connection [22:19] lorraine (4c522456@76.82.36.86) joined #highaltitude. [22:26] buttim_ (~buttim_@mob-31-157-3-92.net.vodafone.it) joined #highaltitude. [22:43] Hi everyone, I just joined the channel so I wanted to make a quick introduction! My name is Lorraine Nicholson, I am the project manager of Overseer, an undergraduate high altitude ballooning initiative at the University of California - Los Angeles (UCLA). Were planning to launch our mission Pegasus in the beginning of Fall 2021. Our payload [22:43] will contain a Flextrak tracking system and a scientific computer with a temperature sensor and camera. I look forward to potentially working with some of you! [22:55] lorraine (4c522456@76.82.36.86) left irc: Quit: Connection closed [22:59] lu7abf (ba6f8d28@host40.186-111-141.telecom.net.ar) joined #highaltitude. [23:01] Data sent to aprs.fi records OK balloon, but it is not uploaded to habhub. Uploaded to aprs.fi: 2021-04-27 15:39:10 -03: VE3KCL-17>APRS,TCPIP*,qAR,LU7AA:/183909h4528.48N/17902.04WO000/000/A=009843 AN05LL 10.7<0xc2><0xb0>C 3.85V To:59<0xc2><0xb0> Asc:-0.03m/s V:219Km/h Sun:25.9<0xc2><0xb0> WSPR PicoBalloon [23:01] http://lu7aa.org/wsprfast.asp?other=VE3KCL&launch=20210204090000&balloonid=04×lot=4 [23:02] Thanks for any answer, 73, lu7abf, Pedro [23:03] LazyLeopard (~irc-clien@chocky.lazyleopard.org.uk) left irc: Quit: Textual IRC Client: www.textualapp.com [23:07] aprs.fi entry can be checked with http://aprs.fi?call=ve3kcl-17 [23:12] New vehicle on the map: 03W0MB_chase - 12https://tracker.habhub.org/#!qm=All&q=W0MB_chase [23:31] Haxxa (~Haxxa@122.199.47.8) left irc: Quit: Haxxa flies away. [23:50] New position from 03N4XWC-1 after 0311 hours silence - 12https://tracker.habhub.org/#!qm=All&q=N4XWC-1 [00:00] --- Wed Apr 28 2021