highaltitude.log.20210104

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[01:18] <SpacenearUS> New vehicle on the map: 03KB9MTD_chase - 12https://tracker.habhub.org/#!qm=All&q=KB9MTD_chase
[01:33] <SpacenearUS> New vehicle on the map: 03KB9MTD-7_chase - 12https://tracker.habhub.org/#!qm=All&q=KB9MTD-7_chase
[01:46] Nick change: n3ob_ -> n3ob
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[04:30] <SpacenearUS> New vehicle on the map: 03N0CALL55_chase - 12https://tracker.habhub.org/#!qm=All&q=N0CALL55_chase
[04:36] <SpacenearUS> New vehicle on the map: 03HORUSLORA1 - 12https://tracker.habhub.org/#!qm=All&q=HORUSLORA1
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[07:52] <SpacenearUS> New position from 03KO6FE-11 after 0315 hours silence - 12https://tracker.habhub.org/#!qm=All&q=KO6FE-11
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[08:41] <SpacenearUS> New position from 03DO4AS-11 after 0319 hours silence - 12https://tracker.habhub.org/#!qm=All&q=DO4AS-11
[08:48] <OZ1SKY_Brian> Darkside Hi Mark. Was wondering, is the "gain" in auto_rx the same as "RF Gain" in SDR#?
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[09:01] <Darkside> OZ1SKY_Brian: should be
[09:01] <Darkside> if you are running a preamp, the best wy to set your gain is to look at the SDR in something like SDR#, and increase the gain until you start to see the noise floor rise
[09:01] <OZ1SKY_Brian> RR will try and play abit with it, to see if i can lower those studio links abit
[09:02] <Darkside> at that point, there isnt much reason to increase the gain any more
[09:02] <OZ1SKY_Brian> when its set to auto gain, i dont know how much it turns the gain up
[09:03] <OZ1SKY_Brian> look like 28 or 29,7 is the point where the noicefloor goes up, so should be where the SNR is best
[09:06] <SM0ULC-David> about that and "gui-less" stuff, just floating an idea... it should be possible to do the gain setting halv/fully automatic right? not in the agc-way but scan through the gain levens , measure noise and find the "optimal" setting?
[09:07] <OZ1SKY_Brian> i just sdr# and adjust gain untill the noicefloor starts to go up, that should be the point where the SNR is best.
[09:08] <SM0ULC-David> i normally do that in the "reverse" way for AIS etc, measure packets/min against gain level via a script
[09:08] <OZ1SKY_Brian> yes you can do that too, but im not able to do that on 400-406
[09:09] <SM0ULC-David> but that is not via rtl_tcp, right?
[09:09] <OZ1SKY_Brian> no i use sdr# to try out the gain settings
[09:09] <OZ1SKY_Brian> and on my rtl-sdr it look like the point 28 / 29.7 is where the noicefloor starts going up
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[09:10] <OZ1SKY_Brian> with autogain in auto_rx my decoder pointline is around -20db and with 29.7 its -43dB
[09:11] <OZ1SKY_Brian> so looks like the autogain is alot higher
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[09:25] <SM0ULC-David> yeah, that's usually my main problem also
[09:26] <SM0ULC-David> the agc feedback is to "low" i guess
[09:29] <OZ1SKY_Brian> with the gain set to 0, the noicefloor is around -54, so setting the gain so the noicefloor rise just abit, should give the best SNR i would think?
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[09:35] <OZ1SKY_Brian> with 29.7 the noicefloor is 52/53dB, so seems to be the point where the SNR "should" be best
[09:36] <OZ1SKY_Brian> ill try that and see how it goes
[09:37] <Darkside> SM0ULC-David: the AGC is tuned for like 6 MHZ wide signals
[09:38] <Darkside> not sure how it works in narrowband modes
[09:39] <SM0ULC-David> Darkside: aah
[09:39] <SM0ULC-David> i usually go manual
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[10:25] <SpacenearUS> New position from 03KD2KDD-15 after 033 days silence - 12https://tracker.habhub.org/#!qm=All&q=KD2KDD-15
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[11:24] <SpacenearUS> New position from 03N4XWC-1 after 0310 hours silence - 12https://tracker.habhub.org/#!qm=All&q=N4XWC-1
[11:26] Nick change: staylo_ -> staylo
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[11:38] <SpacenearUS> New vehicle on the map: 03VK5NE_chase - 12https://tracker.habhub.org/#!qm=All&q=VK5NE_chase
[11:40] <SpacenearUS> New position from 03RSIST after 0310 hours silence - 12https://tracker.habhub.org/#!qm=All&q=RSIST
[11:40] <SpacenearUS> New position from 03V200-R after 036 days silence - 12https://tracker.habhub.org/#!qm=All&q=V200-R
[11:41] <SpacenearUS> New vehicle on the map: 03VK5QI-9_chase - 12https://tracker.habhub.org/#!qm=All&q=VK5QI-9_chase
[11:55] <SpacenearUS> New vehicle on the map: 03VK5NE-9_chase - 12https://tracker.habhub.org/#!qm=All&q=VK5NE-9_chase
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[12:21] <SpacenearUS> New vehicle on the map: 03VK5LJG-9_chase - 12https://tracker.habhub.org/#!qm=All&q=VK5LJG-9_chase
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[13:39] <SpacenearUS> New position from 03PS-80 after 0315 hours silence - 12https://tracker.habhub.org/#!qm=All&q=PS-80
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[14:23] <SpacenearUS> New position from 03LU1ESY-11 after 0318 hours silence - 12https://tracker.habhub.org/#!qm=All&q=LU1ESY-11
[14:36] <SpacenearUS> New position from 03V200-L after 036 days silence - 12https://tracker.habhub.org/#!qm=All&q=V200-L
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[16:46] <SpacenearUS> New vehicle on the map: 03LetFik6 - 12https://tracker.habhub.org/#!qm=All&q=LetFik6
[16:59] <SpacenearUS> New position from 03IDA-4FSK after 033 days silence - 12https://tracker.habhub.org/#!qm=All&q=IDA-4FSK
[17:01] <SpacenearUS> New position from 03IDA-RTTY after 033 days silence - 12https://tracker.habhub.org/#!qm=All&q=IDA-RTTY
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[17:09] <OZ1SKY_Brian> Chrischan might be a good idea to put a number on your launches, because it overwrites your previous launches
[17:09] <OZ1SKY_Brian> Landing spot on Samsø have moved to Germany now
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[18:18] <happysat> ai IDA did fly in the trees .?
[18:21] <ON3JT> in baum-garten ;-)
[18:22] <happysat> yea i guess chris is going after it to recover maybe
[18:41] chris_99 (uid26561@gateway/web/irccloud.com/x-cifbgjystjxbzvkl) joined #highaltitude.
[18:44] <happysat> little motivation song
[18:44] <happysat> Häbschen klein, geht allein In die weite Welt hinein..
[18:44] <happysat> Stock und Hut steht ihm gut, Ist auch wohlgemuth
[18:44] <happysat> Aber Mutter weinet sehr..
[18:44] <happysat> Hat ja nun kein Häbschen mehr, Wünsch dir Glück, sagt ihr Blick, Komm nur bald zurück!
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[19:23] <Chrischan> @ OZ1SKY_Brian This might be a good idea in case someone else besides me wants to see it. Here I document everything for myself in individual folders, so I can find everything again.
[19:28] <Chrischan> I was able to fish the probe out of a birch tree, it didn't make it 10 km. A bit dried up here at home and it is already floating again on the ceiling, but there must still be a small leak, 6 grams of buoyancy are already missing.
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[19:30] <Chrischan> a few pictures -> https://1drv.ms/u/s!Av9PFEeuJmy21DaHlUjGWdnv-kg2?e=tVxUGp
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[22:14] <SpacenearUS> New vehicle on the map: 03KD9PII_chase - 12https://tracker.habhub.org/#!qm=All&q=KD9PII_chase
[22:15] <OZ1SKY_Brian> strong ballon that it didnt burst in the trees
[22:17] OZ1SKY (~OZ1SKY@5.186.79.28.dhcp.fibianet.dk) left irc: Ping timeout: 264 seconds
[22:51] chris_99 (uid26561@gateway/web/irccloud.com/x-cifbgjystjxbzvkl) left irc:
[23:00] OZ1SKY_Brian (~OZ1SKY@5.186.79.28.dhcp.fibianet.dk) left irc: Remote host closed the connection
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[23:08] <SpacenearUS> New position from 03N4XWC-1 after 039 hours silence - 12https://tracker.habhub.org/#!qm=All&q=N4XWC-1
[23:40] <SpacenearUS> New position from 03RSIST after 0310 hours silence - 12https://tracker.habhub.org/#!qm=All&q=RSIST
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[23:59] <SpacenearUS> New vehicle on the map: 03VK5NE_chase - 12https://tracker.habhub.org/#!qm=All&q=VK5NE_chase
[00:00] --- Tue Jan 5 2021