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[03:46] <SpacenearUS> New position from 03BSS43 after 0313 hours silence - 12https://tracker.habhub.org/#!qm=All&q=BSS43
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[04:55] Nick change: bertrik_ -> bertrik
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[05:49] <SA6BSS-Mike> VK5QI: afternoon
[05:49] <SA6BSS-Mike> so a 36" clear Chinese is about 120liters and 36g , so if you put 4 gram of free lift in with a payload of 35g
[05:50] <SA6BSS-Mike> it will float at about 5000m with an internal pressure of 0,360 psi which will be on the safe side if you will run a cutdown
[05:58] <ly2en> SA6BSS-Mike: tested with a regulated usb power supply
[05:58] <SA6BSS-Mike> so, the 3volt you say , what was that, solar cells?
[05:58] <SA6BSS-Mike> ah, ok
[05:58] <ly2en> i had it on 2V on that power sup
[05:59] <ly2en> but I can't get it to work using 39x39 cells anyway, 6 smaller cells are insufficient current
[05:59] <SA6BSS-Mike> 39x39 are tripple what you need to run it
[05:59] <ly2en> yeah in terms of surface, they are small
[05:59] <ly2en> so i will be sticking to the 79xwhatever
[06:00] <SA6BSS-Mike> I have mnine run at 6 10x52
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[06:00] <ly2en> and the soldering is like: -[cell]+ <tabwire> -[cell]+ <tabwire> -[cell]+
[06:00] <SA6BSS-Mike> but ofthen at an high solar angle like 25-30, but I have it go from 13° solar with 19x39
[06:01] <SA6BSS-Mike> so thast the best combo imho
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[06:01] <ly2en> so always 6 cells right ?
[06:02] <SA6BSS-Mike> yes, for simplicety, 4 39x19 and a charge boost works as well but arround 20° solar start up
[06:02] <SA6BSS-Mike> let me find the charge boost
[06:02] <ly2en> you mean a supercap ?
[06:04] <SA6BSS-Mike> no, voltage doubler with a ldo
[06:04] <SA6BSS-Mike> https://www.aliexpress.com/item/1005003652084886.html?spm=a2g0o.productlist.0.0.18ff5073d36iZo&algo_pvid=9dfdc333-9bbc-4b39-8721-76c091f7e599&algo_exp_id=9dfdc333-9bbc-4b39-8721-76c091f7e599-25&pdp_ext_f=%7B%22sku_id%22%3A%2212000026657590888%22%7D&pdp_pi=-1%3B19.66%3B-1%3B-1%40salePrice%3BSEK%3Bsearch-mainSearch
[06:05] <ly2en> have you placed this on the pcb design or do you just stick it on the top?
[06:05] <SA6BSS-Mike> I belive you have the pcb with place for this, nits near the isp pinhead
[06:05] <ly2en> okay i will check on few things including the solars
[06:05] <ly2en> will get back to you later
[06:05] <SA6BSS-Mike> one sec
[06:06] <SA6BSS-Mike> also no need to get a pressure tester, you can just simply runa ca 30cm watercolumn for 0,400 psi
[06:06] <SA6BSS-Mike> but more later if your ina hurry
[06:07] <ly2en> i will have some time today to play with solars, working from home
[06:07] <ly2en> have now 6 39x39 cells under a halo lamp
[06:07] <SA6BSS-Mike> how many watt?
[06:08] <ly2en> it's chinese, doesn't say on the box but quite bright
[06:08] <ly2en> a random lamp I've found :)
[06:08] <SA6BSS-Mike> pic?
[06:08] <SA6BSS-Mike> or link
[06:10] <ly2en> https://pasteboard.co/jUv9r2EsZOTr.jpg
[06:11] <ly2en> about 100w probably
[06:11] <ly2en> max 130
[06:11] <ly2en> https://pasteboard.co/KFjLe79GVRPe.jpg
[06:12] <SA6BSS-Mike> ok, I use 400w and I know 300w works , no idea how the lower wattage will work out
[06:12] <ly2en> damn :)
[06:13] <SA6BSS-Mike> look at you local hw store, they are arround 15E , problem is to find them as eveything goes Led
[06:14] <SA6BSS-Mike> https://imgur.com/laW22Kt
[06:15] <ly2en> yep saw that one
[06:15] <ly2en> okay going to do some work and return to testing before lunch
[06:15] <ly2en> tack!
[06:15] <SA6BSS-Mike> roger!
[06:16] <ly2en> my desk is a MESS
[06:16] <ly2en> https://pasteboard.co/rE0UCJ7RFbkj.jpg
[06:16] <SA6BSS-Mike> :) they tend to go that way when in middel of testing
[06:17] <ly2en> in the middle there's a blue led usb thing a regulated power supply set to 2V and next to the double side tape at the bottom there's the ict
[06:19] <SA6BSS-Mike> what do you want to test with 2V to the board?
[06:20] <SA6BSS-Mike> so, if you want to test, try put the 100W halogen closer to the cells, to keep them from getting really warm put a fan inbetween
[06:21] <SA6BSS-Mike> it can be a bad DC messing it up for you, try antother PS
[06:37] <ly2en> i basically tried to test the BOD and your hypothesis on the tcxo
[06:37] <ly2en> but it seems to do well on 2V, except haven't tested the GPS
[06:37] <ly2en> for GPS I have a wire soldered on the GPS TX pin
[06:37] <SA6BSS-Mike> yes, many tcxo runs from 1,8v
[06:38] <ly2en> so I can actually see the GPS data at 9600baud
[06:40] <SA6BSS-Mike> simple test is to get 2 R6 AA batteries, connect it to the board outside and grab your hackrf and listen if it starts under open sky
[06:50] <ly2en> yeah i have done that with usb power bank
[06:51] <SA6BSS-Mike> and its working?
[06:53] <ly2en> yeah, I have like 4 of them, one gps is dead but no problem with fixed voltage
[06:53] <ly2en> i mostly test it with the isp on 3.3v
[06:55] <SA6BSS-Mike> what fuses do you use?
[06:55] <SA6BSS-Mike> and what xo speed for the 328?
[06:56] <ly2en> mine is 8mhz
[06:57] <ly2en> i really need to understand if I need 300w to get the 6x 39x39 to work because it doesn't seem to be the case right now
[06:57] <ly2en> so I can either fly with the 79mm
[06:57] <ly2en> or do some more digging :)
[06:58] <SA6BSS-Mike> you can try if any change if using DE D9 FE or FD D9 FE but doubt it
[06:58] <SA6BSS-Mike> using a gps repeater ?
[06:59] <SA6BSS-Mike> gps test on the phone shows good signal
[06:59] <ly2en> tried to simulate gps on the hackrf :)
[06:59] <ly2en> but not yet success
[07:00] <ly2en> halo's are out of stock in local stores
[07:00] <SA6BSS-Mike> that works but not really the "real" deal good for simulating flightmode of gps and no tx zoones
[07:00] <SA6BSS-Mike> ok, look at second hand sites
[07:01] <SA6BSS-Mike> 39x39 is HUGE shoudl give superlow solar angle startup
[07:09] <SpacenearUS> New position from 03W5KUB-110 after 0315 hours silence - 12https://tracker.habhub.org/#!qm=All&q=W5KUB-110
[07:11] <SpacenearUS> New position from 03SP6HD-4FSK after 0318 days silence - 12https://tracker.habhub.org/#!qm=All&q=SP6HD-4FSK
[07:22] <SpacenearUS> New position from 03BZ3a after 0316 hours silence - 12https://tracker.habhub.org/#!qm=All&q=BZ3a
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[07:37] <ly2en> https://pasteboard.co/9E8UhO6SpC8D.jpg
[07:38] <ly2en> 2.7V from solars, no signal
[07:38] <ly2en> 2V from usb regulated - all works
[07:41] <SA6BSS-Mike> 2V regulated how you get the gps to run?
[07:42] <SA6BSS-Mike> 2.7V on the cells is this with the board connect ?
[07:43] <ly2en> gps is not yet tested
[07:43] <ly2en> i am trying to spin up the si5351
[07:43] <SA6BSS-Mike> 2.7 is a bit low, it should be a fair bit over 3.5
[07:43] <ly2en> so those 6 cells should do 3.5 ?
[07:43] <SA6BSS-Mike> 0,6v each
[07:43] <ly2en> rr
[07:44] <ly2en> when idle they go 0.5v from this halo lamp
[07:44] <SA6BSS-Mike> try messur over each cell, one is probably shorted
[07:44] <ly2en> https://pasteboard.co/ibYcNZcyNci8.jpg
[07:45] <ly2en> see the hackrf and the signal from the board
[07:45] <ly2en> it wakes up at 2V no problem
[07:46] <ly2en> so means both si5351 and tcxo work just fine
[07:46] <SA6BSS-Mike> yes, but the gps need some headroom to the 2,7V minimum to run well
[07:46] <SA6BSS-Mike> indeed
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[07:46] <SA6BSS-Mike> so, make sure you have the correct volatge over the cells, if you have any sun today take it outside and messure
[07:47] <SA6BSS-Mike> aim the Halo to the cells and messure ecross eaxh to make sure no bad cell
[07:47] <ly2en> right, so the gps actually turns on before the si5351 in the code
[07:48] <SA6BSS-Mike> yes, as the board need gps before it starts to tx
[07:48] <ly2en> yes but I can tx the CW beacon before, no need for gps to do that :)
[07:48] <SA6BSS-Mike> or in you code it first radio on cw, radio off, gps on
[07:48] <ly2en> allright so in my code line 73 is cw(call)
[07:49] <ly2en> then line 75 only GPS VCC on
[07:49] <ly2en> so technically it should not drain voltage to gps
[07:49] <ly2en> https://github.com/kareiva/ICT-v5-ATGM336/blob/main/ICT-v5-ATGM336.ino#L73
[07:49] <SA6BSS-Mike> sequnce, gps off -raion on - cw -radio off - gps on
[07:49] <ly2en> so I believe it is like that now
[07:49] <ly2en> but with solars, i can't get even to CW
[07:50] <ly2en> ok have a meeting now, then go for individual cell testing
[07:51] <SA6BSS-Mike> looks like you have the power to the radio off before you start cw ?
[07:52] <SA6BSS-Mike> ah, no its moved to cw bit
[07:52] <ly2en> cw routine does that part
[07:52] <SA6BSS-Mike> yep
[07:52] <ly2en> it is actually just powering on and off the carrier
[07:53] <SA6BSS-Mike> concentrate ont eh solar setup
[07:53] <SA6BSS-Mike> something fishy there
[07:53] <SA6BSS-Mike> code is likley just fine
[07:53] <SA6BSS-Mike> as I have ran it here on solar,
[07:54] <SA6BSS-Mike> I will load the code into one of my board and doulble sheck
[08:14] <ly2en> all cells are 0.55V
[08:14] <ly2en> 0.54-0.55
[08:15] <ly2en> nothing suspicious
[08:15] <SA6BSS-Mike> Im having problem as well with your code on solar power
[08:15] <ly2en> okay so I've messed up something
[08:15] <SA6BSS-Mike> :) Im on it :)
[08:16] <ly2en> haven't changed anything in the startup routine except the CW so probably it's out there
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[08:33] <SpacenearUS> New position from 03BZ-LORA-6 after 035 days silence - 12https://tracker.habhub.org/#!qm=All&q=BZ-LORA-6
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[08:49] <SA6BSS-Mike2> everything at once, internet acting up as well as mu uncle calling his tv box is acting up
[08:49] <SA6BSS-Mike2> but now its txing have to cross reference a few things first
[08:51] <VK5QI> SA6BSS-Mike2: what about 2 balloons with 35g payload?
[08:51] <SA6BSS-Mike2> lets see....
[08:53] <SA6BSS-Mike2> still same free lift, 4g, you get safly to 7500m
[08:53] <SA6BSS-Mike2> 4 gram free lift in each that is
[08:54] <SA6BSS-Mike2> calclutaled half the payload weigh as 16 gram
[08:54] <SA6BSS-Mike2> on each balloon
[08:59] <ly2en> SA6BSS-Mike2: any rough idea what could be wrong? i'm testing it too
[09:00] <SA6BSS-Mike2> Im looking at the WDT function Sodaq
[09:00] <SA6BSS-Mike2> removed all sodaq_wdt_reset(); it started to tx wspr
[09:01] <SA6BSS-Mike2> Il put the wdt back again , lets see if the problem is back
[09:02] <SA6BSS-Mike2> ok, Il also set the the wdt in Beep routine its working
[09:02] <ly2en> so only add watchdog to cw
[09:02] <SA6BSS-Mike2> digitalWrite(2, LOW); // Si5351 off digitalWrite(4, LOW); digitalWrite(5, LOW); digitalWrite(6, LOW); digitalWrite(7, LOW); sodaq_wdt_reset();
[09:03] <SA6BSS-Mike2> yes
[09:03] <SA6BSS-Mike2> last in the beep void
[09:03] <ly2en> i need to study this sodaq deeper
[09:03] <ly2en> thank you
[09:04] <SA6BSS-Mike2> I have an alternative wdt routine but i have flown the Sodaq (before Beep.h) and it woked fine
[09:04] <ly2en> https://github.com/kareiva/ICT-v5-ATGM336/pull/4/files
[09:04] <SA6BSS-Mike2> yes
[09:04] <ly2en> you've forgot you already told me this
[09:04] <ly2en> :))
[09:04] <ly2en> and i've forgot to merge it in
[09:04] <SA6BSS-Mike2> no, I remeber I mentioned it to you 6 weeks ago :)
[09:05] <ly2en> i'm laughing at myself now a bit :)
[09:05] <SA6BSS-Mike2> now, lets see if it ork on your side
[09:05] <SA6BSS-Mike2> *work
[09:06] <ly2en> on it
[09:06] <SA6BSS-Mike2> roger
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[09:11] <ly2en> doesn't seem to have any effect
[09:11] <ly2en> but well, one step at a time
[09:11] <ly2en> let me try to put a supercap of 2.7V
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[09:20] <SpacenearUS> New position from 03K6RPT-11 after 033 days silence - 12https://tracker.habhub.org/#!qm=All&q=K6RPT-11
[09:37] <ly2en> my halo sun might be too weak
[09:39] <SA6BSS-Mike> try remove all the sodaq rutines
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[09:43] <SA6BSS-Mike> ly2en: https://pastebin.com/TA0wy6Wc
[09:43] <SA6BSS-Mike> that the wdt I use at prese
[09:43] <SA6BSS-Mike> nt
[09:50] <ly2en> i actually get a few dits at the start
[09:51] <ly2en> like instead .-.. -.-- ..--- . -. i get:
[09:51] <ly2en> .-. [silence]
[09:51] <ly2en> but the tcxo is rock solid stable
[09:51] <ly2en> so must be a code problem
[09:52] <ly2en> this sodaq is not quite well documented
[09:54] <SA6BSS-Mike> so, just remov all sodaq and upload
[09:54] <ly2en> replace or remove ?
[09:54] <ly2en> will try removing first
[09:54] <SA6BSS-Mike> remove for starters
[10:01] <SpacenearUS> New vehicle on the map: 03TA2MUN-11 - 12https://tracker.habhub.org/#!qm=All&q=TA2MUN-11
[10:02] <ly2en> removed, looked better at the start
[10:02] <SpacenearUS> New position from 03K5WH-88 after 0316 hours silence - 12https://tracker.habhub.org/#!qm=All&q=K5WH-88
[10:02] <ly2en> but cut off the last cw char
[10:04] <SA6BSS-Mike> then could be the Halo is to weak
[10:04] <ly2en> i see now voltage dropping so maybe it turns on more stuff
[10:04] <ly2en> kind of goes up and down, need to use the scope maybe
[10:06] <SA6BSS-Mike> how close are you to the lamp? on the pic its quite long between them
[10:06] <SA6BSS-Mike> does it hlwp if you puts the cells closer to the lamp?
[10:06] <SA6BSS-Mike> *help
[10:06] <ly2en> in terms of voltage, getting it less than 10cm kind of helps
[10:07] <ly2en> but no effect to the beacon
[10:07] <SA6BSS-Mike> ok
[10:26] <ly2en> also the high temp might be impacting the soldering points
[10:26] <ly2en> i hear the tab wire make a tiny sound :)
[10:28] <SA6BSS-Mike> yeah, the heas is not good for the cell output
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[10:57] <ly2en> the underlying polystyrene just melted
[10:57] <ly2en> solved a removal problem for me :)
[11:52] <SpacenearUS> New vehicle on the map: 03Dh8dc_chase - 12https://tracker.habhub.org/#!qm=All&q=Dh8dc_chase
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[14:29] <SpacenearUS> New position from 03NOB11 after 0313 hours silence - 12https://tracker.habhub.org/#!qm=All&q=NOB11
[14:29] <SpacenearUS> New vehicle on the map: 03SP6SK-4FSK - 12https://tracker.habhub.org/#!qm=All&q=SP6SK-4FSK
[14:42] <SpacenearUS> New vehicle on the map: 03W3UAV-13 - 12https://tracker.habhub.org/#!qm=All&q=W3UAV-13
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[14:43] <ly2en> SA6BSS-Mike1: maybe i have too few surface soldered to the cells, therefore low current
[14:43] <ly2en> i will resolder the tab wire end2end
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[16:28] <SpacenearUS> New vehicle on the map: 03KF0GOR-12 - 12https://tracker.habhub.org/#!qm=All&q=KF0GOR-12
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[16:53] <ly2en> https://pasteboard.co/pe18Z1IkxfH5.jpg
[16:54] <ly2en> took this for testing
[16:54] <SA6BSS-Mike1> cool, tell me the result!
[16:54] <ly2en> 375w equivalenr
[16:55] <SA6BSS-Mike1> yeah, sounds resonable, the 400w Halo is 8500Lumen
[16:55] <ly2en> 4000k colour
[16:55] <ly2en> so should be in the sunny range
[16:56] <SA6BSS-Mike1> sounds guus in theory, but noone I know have reall got them to work as well as the Halogen
[16:56] <SA6BSS-Mike1> so, it will be interesting!
[16:56] <ly2en> if it doesn't work, it's a damn lamp anyway, will put it to use somewhere :)
[16:57] <SA6BSS-Mike1> indeed, some floodlight is always good to have at home
[16:57] <ly2en> but i suspect the tabwire is the issue
[16:57] <SA6BSS-Mike1> working at home on in the garage
[16:57] <SA6BSS-Mike1> I solder just a few mm on each side of the cell
[16:58] <SA6BSS-Mike1> so, messure across each cell so you can rule out shorts
[16:58] <ly2en> i did that too but will try to see if there is any difference
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[19:08] <SpacenearUS> New position from 03NOB9 after 0315 hours silence - 12https://tracker.habhub.org/#!qm=All&q=NOB9
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[20:11] <SpacenearUS> New vehicle on the map: 03SQ3GJS-4FSK - 12https://tracker.habhub.org/#!qm=All&q=SQ3GJS-4FSK
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[21:52] <SpacenearUS> New vehicle on the map: 03VE6AGD-4 - 12https://tracker.habhub.org/#!qm=All&q=VE6AGD-4
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[23:02] <SpacenearUS> New vehicle on the map: 03KO4DTP-9 - 12https://tracker.habhub.org/#!qm=All&q=KO4DTP-9
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[00:00] --- Sat Apr 16 2022