highaltitude.log.20161103

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[01:59] <SpacenearUS> New position from 03S-20 after 038 hours silence - 12https://tracker.habhub.org/#!qm=All&q=S-20
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[05:02] <SpacenearUS> New position from 03HIRFW-6 after 0313 hours silence - 12https://tracker.habhub.org/#!qm=All&q=HIRFW-6
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[05:40] <Geoff-G8DHE_> !flights
[05:40] <SpacenearUS> 03Geoff-G8DHE_: Current flights: 03Bewick Bridge flight 10(f077), 03JHN School Robotics 10(3c06), 03UBSEDS18 434.612.5 CONTESTIA 16/1000 10(64a5)
[05:40] <Geoff-G8DHE_> !flight 3c06
[05:40] <SpacenearUS> 03Geoff-G8DHE_: Flight 10(3c06): 03JHN School Robotics 10(2 payloads) - Launch date 03Today at 05:30 from 03Hertfordshire, UK 10(51.9197,-0.2166)
[05:42] <Geoff-G8DHE_> !payload 3c06
[05:42] <SpacenearUS> 03Geoff-G8DHE_: Payload 03JHNSC2 10(3c06) 03$$JHNSC2 - no transmissions
[05:42] <SpacenearUS> 03Geoff-G8DHE_: Payload 03JHNSC1 10(3c06) 03$$JHNSC1 - 03434.15 MHz USB 03RTTY 300/150Hz ASCII-8 none 2
[05:43] <Geoff-G8DHE_> Ah 330 Baud at 150Hz shift - I hope not !!
[05:43] <Geoff-G8DHE_> 300Baud even
[05:47] <Geoff-G8DHE_> lets try 300B 600Hz and hope they got mixed up with 434.15Mhz ....
[05:51] Nick change: Geoff-G8DHE_ -> Geoff-G8DHE
[05:53] <Geoff-G8DHE> Oh dear not a good prediction either lets hope they fly early! http://predict.habhub.org/#!/uuid=50ab59196609e56fbd62a8a10a414ce535013b81
[05:55] Action: Geoff-G8DHE back to snooze
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[05:59] <PE2BZ> !flights
[05:59] <SpacenearUS> 03PE2BZ: Current flights: 03Bewick Bridge flight 10(f077), 03JHN School Robotics 10(3c06), 03UBSEDS18 434.612.5 CONTESTIA 16/1000 10(64a5)
[05:59] <PE2BZ> !track UBSEDS18
[05:59] <SpacenearUS> 03PE2BZ: Here you go - 12https://tracker.habhub.org/#!qm=All&q=UBSEDS18
[06:04] <SpacenearUS> New vehicle on the map: 03JHNSC2 - 12https://tracker.habhub.org/#!qm=All&q=JHNSC2
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[06:38] <garymortimer> morning all
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[07:30] <garymortimer> I think I might be tempted to jump in the school bus and head over to Milton Keynes if I were the St Evenage crowd
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[08:02] <dj0mdw_> jhnsc2 aborted i presume
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[08:07] <SpacenearUS> New position from 03K6RPT-11 after 0316 hours silence - 12https://tracker.habhub.org/#!qm=All&q=K6RPT-11
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[08:36] <Bencls>
[08:38] <SpacenearUS> New position from 03NLS1 after 03a day silence - 12https://tracker.habhub.org/#!qm=All&q=NLS1
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[08:48] <garymortimer> Is JHNSC2 staying on the ground?
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[10:02] <gonzo_> is NLS1 real, or just a playback test?
[10:03] <gonzo_> garymortimer, JHNSC2 probably found a nice pub
[10:06] <garymortimer> Well they started early! Now funnily enough I used to goto a very nice pub in Knebworth The Lytton Arms. Many years ago.
[10:08] <daveake> I think they had a notam for 5-6am or something like that, so I guess they ran out of time
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[10:10] <RPF-JR> Not sure what happened with JHNSC2 flight today, looks like they got on site but didn't launch
[10:11] <gonzo_> hab-ish time is not good when you have a very limited window on the notam
[10:12] <daveake> not ideal early, in the dark, on a cold morning
[10:12] <RPF-JR> no, think 5:30 is the latest they can launch, shame
[10:13] <RPF-JR> But not heard from the teacher today....which is unusual
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[10:15] <garymortimer> Thats a pity, still its all in one piece for another go
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[10:29] <edmoore> does anyone know of a cross-platform python library for adding things to context menus in file browsers?
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[11:30] <SpacenearUS> New position from 03IV3SRD-11 after 0310 hours silence - 12https://tracker.habhub.org/#!qm=All&q=IV3SRD-11
[11:32] <SA6BSS-Mike> gonzo_: nls1, it follows wind prediction as if its a real payload but cant hear anythin on varius web sdr:s , listend on 2m / 70cm checked aprs.fi and wspr network but cant dins anything
[11:33] <gonzo_> I'll have a listen on 434
[11:33] <gonzo_> if they are using anything else, they are veryu naughty
[11:35] <SA6BSS-Mike> cant think of anything else that automatred except sat relay but that unlikley, wel see if it continue to travel as it gets out los from launch zoone
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[11:50] <gonzo_> can't see anything obvious on the waterfall
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[11:50] <gonzo_> could be a packetised tx?
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[12:09] <SpacenearUS> New vehicle on the map: 03latitude_chase - 12https://tracker.habhub.org/#!qm=All&q=latitude_chase
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[12:51] <hyde00001> RE: NLS1 frequency... FWIW, the payload document being used says 869 MHz FM RTTY 50 baud 350Hz shift ASCII-8 no parity 2 stop bits
[12:58] <gonzo_> ah, ok. Shame I don't have the antennas up, could have got that!
[12:59] <AndyEsser> I really need to get the Pi, Airspy + Antenna up and running
[12:59] <gonzo_> pjm probably does and could have.
[13:03] <pjm> whats that!
[13:09] <SpacenearUS> New position from 03SP5RZP-11 after 035 days silence - 12https://tracker.habhub.org/#!qm=All&q=SP5RZP-11
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[13:16] <pjm> gonzo_, i cannot see any peeps on 869MHz
[13:21] <hyde00001> No real precision on frequency just "869" so could be anywhere within the band...
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[13:47] <PE2BZ> Good afternoon. IF it´s a real flight rtty on 869 MHz is not common. On 869.525 I see LoRa like packets but that could be anything. Between 868 and 870 no RTTY FM over here.
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[13:53] <PE2BZ> http://imgur.com/a/qRpcf
[14:04] <SpacenearUS> New vehicle on the map: 03KE7BQV-14 - 12https://tracker.habhub.org/#!qm=All&q=KE7BQV-14
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[14:12] <Ian_> PE2BZ Good afternoon Ben. Do I take it that your legendary series of ssdv landscapes do not use the Sony Pi camera?
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[14:15] <hyte> what is the best way to protect a gps module from esd?
[14:15] <gonzo_> in service or when handling to assemble?
[14:17] <hyte> when assembled with a 3/4 wavelength wire antenna.
[14:18] <Laurenceb> http://pastie.org/10955192
[14:18] <gonzo_> you are basically trying to stop a charge on the module or on yourself charging or discharging rapidly. So you want to keep everything at a similar potential. if you have an anti static mat, wrist strap and earther soldering iron. That makes it easier.
[14:19] <gonzo_> without handlking kit, you can just work on a conductive surface (bit of metal or offcut of antistatic mat) and make sure you discharge everything as you use it
[14:20] <gonzo_> so empty the module into youyyour hand, as you hold the package. Then touch the mat before poutting the mosule on that
[14:20] <gonzo_> and you can eart your iron with a bit of wire, to the mat
[14:21] <SpacenearUS> New position from 03N4XWC-1 after 03a day silence - 12https://tracker.habhub.org/#!qm=All&q=N4XWC-1
[14:21] <hyte> cool, thats all good and what I try to apply. How about circuit design, shuold I just add a tvs diode?
[14:21] <gonzo_> and whehn touching the wire antenna you are holding, to the module, touch the mat with your hand as you do it
[14:22] <gonzo_> yep, I don't use any handling kit, just common sense to stop any sudden charge/discharge
[14:23] <gonzo_> antiparallel diodes can help. find ones already used for that job. So that they don't have capacitence issues
[14:23] <gonzo_> also make sure you don't have any DC bias power on the antenna pin, from the module
[14:24] <gonzo_> but a diode will help protect when inj service. And generating static from balloons etc
[14:24] <gonzo_> (handling balloons I mean)
[14:25] <Geoff_G8DHE> If NLS1 is working on 869Mhz they have exceptional coverage ...?
[14:25] <gonzo_> wonder what tx they have for that band and mode?
[14:26] <hyte> cheers
[14:26] <Geoff_G8DHE> BMB FSK 868: 868MHz USB RTTY 50 baud 600Hz shift ASCII-8 no parity 2 stop bits
[14:26] <Geoff_G8DHE> is all the Payload doc says
[14:27] <PE2BZ> Ian_ indeed no Sony Pi Camera. I did completely fool the Pi by having no camera attached to it. Then I grab a jpeg image from a Bosch HD 7000 IP dome camera and sudo cp snap.jpg /dev/video0 . At that moment the Pi thinks there is a camera with a new image :-)
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[15:39] <Geoff_G8DHE> !monocle fc06
[15:39] <SpacenearUS> 03Geoff_G8DHE: Here you go - 12http://habitat.habhub.org/monocle/?uri=fc06
[15:40] <Geoff_G8DHE> !monocle
[15:40] <SpacenearUS> 03Geoff_G8DHE: Here you go - 12http://habitat.habhub.org/monocle/?uri=habitat/45569cfb6acd40eb2f5b90e568f93c06
[15:40] <Geoff_G8DHE> habitat
[15:40] <Geoff_G8DHE> genpayload
[15:40] <Geoff_G8DHE> Database browser
[15:40] <Geoff_G8DHE> Search prefix:
[15:40] <Geoff_G8DHE> NLS1
[15:40] <Geoff_G8DHE> BMB1
[15:40] <Geoff_G8DHE> "BMB 868"
[15:40] <Geoff_G8DHE> 1fae3004448c1f1cac2d5961ed63b8b0
[15:40] <Geoff_G8DHE> 2016-09-09T14:43:41+01:00
[15:41] <Geoff_G8DHE> !monocle 92eec8c8fcefb7b3452a88ce6bd0fc06
[15:41] <SpacenearUS> 03Geoff_G8DHE: Here you go - 12http://habitat.habhub.org/monocle/?uri=habitat/92eec8c8fcefb7b3452a88ce6bd0fc06
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[16:30] <TIBS01> !monocle 92eec8c8fcefb7b3452a88ce6bd0fc06
[16:30] <SpacenearUS> 03TIBS01: Here you go - 12http://habitat.habhub.org/monocle/?uri=habitat/92eec8c8fcefb7b3452a88ce6bd0fc06
[16:32] <Laurenceb> dont you guys have an ssh session you can use
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[17:14] <fsphil> http://www.esa.int/Our_Activities/Space_Science/ExoMars/Schiaparelli_crash_site_in_colour
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[17:36] <Laurenceb> http://oxisenergy.com/wp-content/uploads/2016/10/OXIS-Li-S-Long-Life-Cell-v4.01.pdf
[17:36] <Laurenceb> these oxis guys seem to have some products in the pipeline
[17:36] <Laurenceb> looks hopeful for floaters
[17:37] <Laurenceb> specs are worse than lipo :P
[17:38] <Laurenceb> but the reactions dont slow down with temperature nearly as badly as in lipo aiui
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[17:49] <richardeoin> Laurenceb: oh nice
[17:49] <richardeoin> will keep an eye out
[17:50] <aadamson> Laurenceb, http://tadiran.com/index.php/tli-series-rechargeable
[17:50] <richardeoin> the two sizes on there are on the big side though
[17:50] <richardeoin> haha
[17:51] <Laurenceb> aadamson: wow those look nice
[17:51] <Laurenceb> aadamson: have you got any?
[17:51] <aadamson> yeah, and these
[17:51] <Laurenceb> tested at low temperature?
[17:52] <aadamson> http://tadiran.com/index.php/pulses-plus-lithium-cells
[17:52] <aadamson> HLC-1530
[17:53] <aadamson> two issues, a) weight (not terrible if using a larger envelop); b) because the internal resistance goes up with temp, the capacity goes down in a somewhat linear fashion
[17:54] <Laurenceb> surely that depends on the discharge current
[17:54] <aadamson> and the HLC's have a lower max voltage
[17:54] <aadamson> oh and lastly, they *aren't* cheap :)
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[17:55] <Laurenceb> oh they have test data, nice
[17:55] <aadamson> but rated to -40C and will charge at low temps
[17:55] <Laurenceb> LeoBodnar used custom made lipo cells
[17:55] <Laurenceb> they worked ok down to about -45C, and were pretty dead by -50C iirc
[17:55] <aadamson> yes I have some of those as well
[17:55] <Laurenceb> ah cool
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[17:56] <aadamson> problem is higher you fly the more the *soft* cells pucker cuz the don't seem to be sealed with a perfect vacuum when made
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[17:57] <aadamson> http://www.digikey.com/product-search/en/capacitors/electric-double-layer-capacitors-edlc-supercapacitors/131084?k=nesscap+&k=&pkeyword=nesscap+&pv13=339&pv14=41&mnonly=0&newproducts=0&ColumnSort=0&page=1&stock=1&quantity=0&ptm=0&fid=0&pageSize=25
[17:57] <aadamson> still the most preferred solution, with least issues :)
[17:57] <Laurenceb> apart from the low energy density
[17:57] <aadamson> k6rpt-12 - up over 140 days uses those
[17:58] <Laurenceb> but it doesnt run at night?
[17:58] <aadamson> correct
[17:58] <Laurenceb> !whereis k6rpt-12
[17:58] <SpacenearUS> 03Laurenceb: I haven't got a clue
[17:58] <aadamson> https://tracker.habhub.org/#!mt=roadmap&mz=8&qm=3_days&f=K6RPT-12&q=k6rpt-12
[17:58] <aadamson> last year 2 days ago over mex, but heading into no aprs coverage
[17:59] <aadamson> and he's not running WSPR
[17:59] <Laurenceb> ah. nice and high
[17:59] <Laurenceb> interesting
[17:59] <Laurenceb> I should put a base station in Merida, my dad lives there :P
[18:00] <aadamson> ^^ s/year/heard... damn fingers
[18:00] <Laurenceb> never thought anyone would get that far south
[18:00] <Laurenceb> you have beaten Leos record
[18:00] <Laurenceb> http://www.arhab.org/#
[18:00] <Laurenceb> 134 days
[18:01] <aadamson> not me, I just know of it's launch
[18:01] <aadamson> mine are all trying to challenge richards :) - https://tracker.habhub.org/#!mt=roadmap&mz=0&qm=3_days&mc=-35.26881,308.48168&f=HIRFW-6&q=hirfw-3;%20hirfw-6;%20hirfw-5
[18:01] <aadamson> but -3 and -5 had a hardware issue, finally solved with -6
[18:02] <aadamson> heard every day since it was launches (those are the WSPR radios, the APRS not so much :)..)
[18:03] <aadamson> kinda amazing what 10mW on 14.0956mhz can do with a crappy antenna
[18:04] <aadamson> on the south thing, I think Richard posted a Hysplit a few days ago, k6rpt-12 was MIA for 2 months in south pacific and it crossed the equator from a reverse hysplit run
[18:04] <Laurenceb> looks like tadiran batteries can beat longwave ir power
[18:04] <aadamson> in the week prior to it being heard
[18:04] <Laurenceb> nice
[18:04] <Laurenceb> i'm still a fan of infrared power, but its probably not worth it
[18:05] <Laurenceb> I guess it can stay working at -70C or so in the coldest nights
[18:05] <aadamson> yeah, that would be nice
[18:06] <Laurenceb> two sheets of this http://www.mouser.co.uk/new/panasonic/panasonicthermalgraphite/
[18:06] <aadamson> I did a little board with a really cool part from Linear tech that allowed me to switch to battery at night (lithium primary) and solar/supcercap during the day
[18:06] <Laurenceb> ah
[18:06] <aadamson> now that I've resolved my cold startup issue, I might have to fly one again.
[18:06] <aadamson> I have total run current down to around 1mah on my new board
[18:06] <Laurenceb> so two sheets of the graphite material with a peltier inbetween
[18:07] <Laurenceb> and maybe some aerogel blanket insulation
[18:07] <SpacenearUS> New vehicle on the map: 03raju_chase - 12https://tracker.habhub.org/#!qm=All&q=raju_chase
[18:07] <Laurenceb> in theory it can put out ~10mW with ~14cm diameter sheets
[18:07] <aadamson> yeah graphene batteries... I hear there are some new high capacity super capacitor using a high tech make up
[18:07] <Laurenceb> no I mean an infrared harvester
[18:08] <aadamson> -80C and capacity like primary cells, at similar weight
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[18:08] <aadamson> ah, yeah, those
[18:08] <Laurenceb> at ~14km you have a high upwelling infrared flux
[18:08] <Laurenceb> if you can collect with just a few % efficiency there is enough power available
[18:09] <aadamson> where ya gonna store it?
[18:09] <Laurenceb> you dont need to, its there 24/7
[18:09] <aadamson> ah, got it... forgot that part
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[18:43] <M0RJX> Pingupu
[18:43] <M0RJX> ping Upu even :-)
[19:07] <SpacenearUS> New vehicle on the map: 03Nimbus_chase - 12https://tracker.habhub.org/#!qm=All&q=Nimbus_chase
[19:08] <SpacenearUS> New vehicle on the map: 03JHNSCH_chase - 12https://tracker.habhub.org/#!qm=All&q=JHNSCH_chase
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[20:12] <arjunnaha> (may have asked this again, sorry) For electronic components, low-quantity: RS or Mouser or Farnell or DigiKey?
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[20:13] <adamgreig> arjunnaha: in the UK, farnell or RS
[20:13] <adamgreig> (or consider Rapid for some things too)
[20:13] <arjunnaha> Do you have a preference?
[20:13] <adamgreig> I usually use farnell
[20:13] <adamgreig> and use RS when farnell is out of stock or doesn't have something
[20:13] <arjunnaha> Great, thanks
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[20:53] <mfa298> half of which to use comes down to stock, price and personal preference. I tend to prefer RS as I've got a trade counter just down the road (so can collect almost imediately if they have it, or 10am next day if not)
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[21:10] <mickod> Hi. I've a quick question about sending telem data to habhub.org
[21:11] <mickod> I'm running the LoRa Habitat and SSDV Gateway by MORPI. I think the telem data is sending correctly, but nothing appears under my handle - MODBN1
[21:13] <mickod> There's valid lat and long data, but I'm wondering if the data doesn't appear on the map if the altitude is below a certain threshold?
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[21:19] <dbrooke> mickod: have a look at http://habitat.habhub.org/logtail/
[21:19] <dbrooke> it says you have no configuration document, have you created a payload document at http://habitat.habhub.org/genpayload/ ?
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[21:20] <mickod> Ah, sorry. I completely forgot about this.
[21:21] <mickod> I'll create the doc now. Many thanks!
[21:21] <dbrooke> that should do it
[21:22] <mickod> Thanks. If I just want to test that my data is being parsed correctly, without creating a flight, can I do that?
[21:22] <mickod> (to avoid a parsing error on the day)
[21:22] <dbrooke> yes, just needs a payload do to get on the map
[21:23] <dbrooke> s/do/doc/
[21:23] <mickod> Perfect, thanks
[21:24] <dbrooke> when you want to get a flight doc approved for the actual flight the admins will want to see that tha parsing has already worked and put you on the map
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[21:29] <mickod> Created the payload doc. Still getting the same error - No configuration doc for 'MODBN1' found [
[21:31] <mickod> Ah, nevermind. The doc is incomplete.
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[21:38] <SpacenearUS> New vehicle on the map: 03KK6ZXH-11 - 12https://tracker.habhub.org/#!qm=All&q=KK6ZXH-11
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[22:36] <Laurenceb_> http://eprints.soton.ac.uk/69761/1/Harnessing_High-Altitude_Solar_Power.pdf
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[22:45] <SpacenearUS> New position from 03RPF-2 after 032 days silence - 12https://tracker.habhub.org/#!qm=All&q=RPF-2
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[23:02] <vk2fak> There was a prediction that GOMX-3 would have reentered by now...its still up, yes ?
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[23:13] <russss> interesting screenshot https://twitter.com/nascom1/status/794141295929278464
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[23:35] <SpacenearUS> New position from 03IV3SRD-11 after 0310 hours silence - 12https://tracker.habhub.org/#!qm=All&q=IV3SRD-11
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[00:00] --- Fri Nov 4 2016