highaltitude.log.20150525

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[07:20] <mfa298> day: the use of RTTY/DominoEX etc is generally sent via the payload/flight docs and the launch notifications (email) most people send.
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[08:00] <SpacenearUS> New vehicle on the map: 03VK5QI_chase - 12http://tracker.habhub.org/#!qm=All&q=VK5QI_chase
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[08:28] <SpacenearUS> New vehicle on the map: 03HABNL-04 - 12http://tracker.habhub.org/#!qm=All&q=HABNL-04
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[09:17] <Vaizki> so quiet.. must be a launchfest hangover
[09:19] <michal_f> reason is much more sad... work :/
[09:19] <michal_f> i guess
[09:19] <infaddict> !wiki world record
[09:19] <SpacenearUS> 03infaddict: No results for your query
[09:20] <michal_f> !wiki altitude record
[09:20] <SpacenearUS> 03michal_f: No results for your query
[09:20] <infaddict> humph ;-/
[09:23] <infaddict> !wiki uk records
[09:23] <SpacenearUS> 03infaddict: Wiki page 03uk_records (general) - 12http://ukhas.org.uk/general:uk_records
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[09:29] <Vaizki> did you know there is a search box on the wiki page itself :)
[09:30] <michal_f> not as fun as poking bot
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[10:02] <gonzo_> Did I read that last comment right?
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[10:04] <SpacenearUS> New vehicle on the map: 03VK5ARG-1 - 12http://tracker.habhub.org/#!qm=All&q=VK5ARG-1
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[10:10] <baird> vk5arg is only about a block from where an old girlfriend lives..
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[10:29] <garymortimer> Ok you know its going to be a dumb question....
[10:29] <garymortimer> lora radio
[10:30] <garymortimer> wired as said in Davea flextrack code, I seem to have created a noise monster
[10:30] <eroomde> you got a lora noise
[10:30] <garymortimer> I've got a lora lora noise, lets ask graham
[10:31] <eroomde> our graham surely
[10:31] <garymortimer> also the exact frequency on which is will operate....
[10:31] <eroomde> first name our
[10:31] <eroomde> last name graham
[10:32] <garymortimer> I have a 96w not 98w as in daves code will that make a bg difference?
[10:38] <Vaizki> I don't think you can set spreading etc on the 96W
[10:39] <Vaizki> what kind of noise are you getting then?
[10:43] <garymortimer> oh i hear it up and down the dial
[10:44] <garymortimer> ie faint signal and the peak signal is well off deired
[10:44] <garymortimer> desired
[10:44] <garymortimer> I am again playing in an area I don't understand
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[10:46] <Geoff-G8DHE-M> Chances are you are overl.oading the receiver and it generates spurious signals all over the place
[10:47] <garymortimer> fair enough
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[10:49] <Geoff-G8DHE-M> Are you using an SDR Dongle ? If so try reducing the LNA Gain down low, but also try to reduce the signal level incoming - remove aerial etc.
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[10:49] <Vaizki> SDR also helps in spotting images
[10:52] <garymortimer> no alinco handheld, I've done something wrong again, its pulsing with the GPS best tsart again
[10:56] <Geoff-G8DHE-M> Ah same problem then but not so easy to reduce the gain, take the aerial off for starters!
[10:57] <Vaizki> I would definitely get a SDR dongle to troubleshoot anything like that..
[10:57] <SpacenearUS> New vehicle on the map: 03HORUSLORA - 12http://tracker.habhub.org/#!qm=All&q=HORUSLORA
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[11:02] <garymortimer> I have a dongle as well but that would involve walking across the room... whn I plug the GPS in data stops but its all pulsing as well so thats not good
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[11:12] <ntx2> hello
[11:13] <ntx2> I am looking to order the NTX2
[11:13] <eroomde> meta.
[11:13] <ntx2> is there anyone here who can help with information
[11:13] <eroomde> are you here because you found an online shop telling you to come here before ordering?
[11:13] <ntx2> the UKHAS wiki says that we should discuss here before ordering
[11:13] <eroomde> right
[11:13] <Geoff-G8DHE-M> I think Upu might be away at the moment
[11:14] <eroomde> you want to talk to Upu
[11:14] <ntx2> ah ok
[11:14] <SpeedEvil> ntx2: do you have any questions?
[11:14] <eroomde> he runs the shop
[11:14] <SpeedEvil> about the device
[11:14] <oh1co> I hear sp3osj 144.700mhz, Which opmode PSE CW say alt=0 loc ja00aa
[11:14] <ntx2> I am using the stock NTX2 and I mightve ,messed it up and so I am planning to order another one
[11:15] <ntx2> so it says that we can configure the frequency on it
[11:15] <Geoff-G8DHE-M> Upu is still logged in but it might just be his Proxy sitting around
[11:15] <ntx2> do I have to get approval for a particular frequency from UKHAS and then set it on the NTX2
[11:16] <ntx2> before launch
[11:16] <Upu> hey there
[11:16] <ntx2> aha Nice to see you, up
[11:17] <Upu> you have a private message
[11:17] <Upu> and no
[11:17] <Upu> we have a gentlemans agreement jsut announce the frequency you're using
[11:17] <Upu> check it doesn't conflict with anyone elses, if it does retune
[11:17] <Upu> not as big an issue as it used to be
[11:17] <ntx2> can I change the frequency many times
[11:18] <Upu> indeed
[11:18] <Upu> and fine tune it
[11:18] <Upu> so no issues
[11:18] <ntx2> great
[11:18] <ntx2> I am not sure about messing with serial connections
[11:18] <Upu> right I need to go walk the dog, will be back later if you need anything else cheers
[11:20] <tweetBot> @G8DHE: @nerdsville HAB payload container is normal! #ukhas #hab
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[11:29] <michal_f> ntx2, were you able to reprogramm ntx2 from radiometrix to another frequency ?
[11:29] <michal_f> I ordered mine directly from radiometrix and failed to reprogramm
[11:29] <ntx2> no I did not try it with the one from radiometric
[11:30] <ntx2> but I messed up in my soldering I think
[11:30] <eroomde> the ntx2 is not frequency agile
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[11:31] <Geoff-G8DHE-M> needs the NTX2B
[11:31] <Geoff-G8DHE-M> -FA
[11:31] <eroomde> the ntx2b and mtx2 are the newer ones based around a microcontroller, and they can be programmed
[11:31] <michal_f> eroomde: i have ntx2b but could not reprogram it
[11:32] <Geoff-G8DHE-M> Read the write up here http://ava.upuaut.net/store/index.php?route=product/product&path=71_63&product_id=92
[11:32] <Geoff-G8DHE-M> you need the -FA Frequency Agile version
[11:33] <michal_f> yeah I know :) but radiometrix specs says it IS reconfigurable, they have a chapter on this in specs
[11:33] <michal_f> here: http://radiometrix.com/files/additional/ntx2bnrx2b_0.pdf
[11:34] <michal_f> it is done differently than -FA i think
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[11:35] <michal_f> anyway, I gave up with mine and will transmit on default frequency
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[12:02] <SpacenearUS> New vehicle on the map: 03HB9HFJ-11 - 12http://tracker.habhub.org/#!qm=All&q=HB9HFJ-11
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[12:27] <day> can someone explain this paragraph to me? For DominoEX16 the baud rate has to be 15.625Hz. As you saw before our 8 bit Arduino doesnt have the resolution to do this natively however we can increase the resolution of the Arduino by inserting a resistor between the Arduino pin 9 and the NTX2B TXD pin. The TXD pin has an internal 100k resistor so youre making a voltage divider.
[12:28] <day> how does halfing the max voltage help increasing the resolution? The resolution may increase in regard to a 5V or 3.3V basis, but im only able to reach 5/2V or 3.3/2V.
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[12:34] <craag> day: Most likely because DominoEx is narrower than the full 0-5V scale
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[12:35] <craag> If you're only using 0-2.5V, then you're effectively wasting a binary bit of resolution.
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[12:51] <day> ok
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[13:25] <SpacenearUS> New vehicle on the map: 03W0ZC-11 - 12http://tracker.habhub.org/#!qm=All&q=W0ZC-11
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[13:38] <SpeedEvil> Laurenceb_: http://en.wikipedia.org/wiki/Swastika,_Ontario
[13:41] <SpeedEvil> Sometimes naming stuff gets hard. http://en.wikipedia.org/wiki/Random_Island
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[14:39] <SpacenearUS> New vehicle on the map: 03SKYPI2015 - 12http://tracker.habhub.org/#!qm=All&q=SKYPI2015
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[15:18] <Lunar_Lander> helo
[15:18] <Lunar_Lander> +l
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[15:21] <craag> helol to you too Lunar_Lander
[15:21] <Lunar_Lander> :)
[15:21] <Lunar_Lander> how's life?
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[15:23] <craag> good ta
[15:23] <craag> you?
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[15:25] <Lunar_Lander> same here
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[15:25] <Lunar_Lander> found a fascinating read on the arduino forums about multiple tasks at the same time :)
[15:28] <fsphil> it's a trap!
[15:28] <MarkIreland> Hi Lunar_Lander - do you have a link
[15:28] <fsphil> or rather, it's a trick unless you have multiple avrs
[15:29] <jcoxon> fsphil, back from the states?
[15:29] <mclane_> called scheduler
[15:31] <fsphil> jcoxon: not yet, leaving tonight
[15:31] <jcoxon> good time?
[15:31] <eroomde> that went quickly
[15:31] <fsphil> yea it's been great fun!
[15:31] <eroomde> i think actually i have lost the last 5 days somehow
[15:31] <fsphil> know the feeling
[15:31] <eroomde> suddenly my work trip is tomorrow rather than a week away
[15:34] <fsphil> yea they've a bad habit of sneaking up on you
[15:35] <Lunar_Lander> hi MarkIreland
[15:35] <Lunar_Lander> one second
[15:35] <Lunar_Lander> http://forum.arduino.cc/index.php?topic=223286.0
[15:37] <MarkIreland> cool thanks
[15:39] <Lunar_Lander> you're welcome
[15:42] <SpacenearUS> New vehicle on the map: 03KM4DDY-13 - 12http://tracker.habhub.org/#!qm=All&q=KM4DDY-13
[15:48] <SpacenearUS> New vehicle on the map: 03KC3EJD-11 - 12http://tracker.habhub.org/#!qm=All&q=KC3EJD-11
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[16:23] Action: mfa298 read that arduino doing multiple tasks hoping it might use ISRs but nooooo, that would be too easy.
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[17:31] <SpacenearUS> New vehicle on the map: 03DG8AR_chase - 12http://tracker.habhub.org/#!qm=All&q=DG8AR_chase
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[17:41] Nick change: Steffanx -> Joel
[17:41] Nick change: Joel -> Steffanx
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[18:04] <SpacenearUS> New position from 03PS-46 after 0312 hours silence - 12http://tracker.habhub.org/#!qm=All&q=PS-46
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[19:09] <Vaizki> ok stupid noon questions, anyone want to get all patient and dug into an armchair...? First, how does a "dual band" antenna like 2m/70cm really work?
[19:10] <Vaizki> is it like 1/4 wave for one band.. and what for the other? 5/8?
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[19:11] <Vaizki> umm no..
[19:11] <russss> I think it's a bit more fancy than that, you can introduce various magic so that bits of the antenna don't get driven at higher frequencies
[19:12] <Vaizki> like a HPF built into the antenna?
[19:12] <russss> yeah
[19:12] <craag> for 2m/70cm it's often just 1/4 - 5/8 as you say Vaizki
[19:13] <craag> Especially for magmounts
[19:13] <Vaizki> or ht rubber whips?
[19:13] <Vaizki> like my FT-817ND has
[19:14] <craag> Yeah that's probably done in the same way
[19:14] <craag> Or has a 50 ohm resistor in the bottom :P
[19:14] <russss> different antenna designs can have quite different bandwidths where the SWR is within a reasonable limit
[19:14] <gonzo_> if they have a single turn coil at the base of the antenna, it;'s a slightly loaded 1/4 wave at 2mtr and a 5/8th wave on 70cm
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[19:14] <gonzo_> or you can have a straight 1/4 wave on 2, which is close enought to a 3/4wave at 70
[19:14] <Vaizki> gonzo_: you just lost me :)
[19:15] <russss> the FT-817's is 6m/2m/70cm, iirc
[19:15] <russss> not sure how much magic is inside it
[19:15] <Vaizki> it has a removable end-piece to shorten it
[19:15] <gonzo_> some of the little mag mounts don't have a simple whip, they have a coil in the element base
[19:15] <gonzo_> 817 also does hf
[19:16] <Vaizki> yea but it also has 2 antenna connectors and by default HF comes in through the UHF connector on the back, not the BNC on the front
[19:16] <Vaizki> the included whip antenna is utterly useless on HF it seems
[19:16] <russss> yeah the shorter end-piece makes it 70cm-only I think. It's for portability. I've lost mine; I'm sure it'll turn up
[19:17] <gonzo_> the 817 can use either connector
[19:17] <gonzo_> you select it in a menu
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[19:17] <Vaizki> yea I figured that out.. it says R on the display if using rear connector
[19:17] <russss> the whip antenna with the longer end-piece is advertised to work at 6m (50MHz) but I've never tried it
[19:17] <russss> I suspect below that your SWR will be not good
[19:18] <gonzo_> http://www.theantennafarm.com/catalog/images/1185.jpg
[19:18] <Vaizki> ok that helps me.. the second Q.. are those telescoping antennas you can "tune" to any freq you want worth anything?
[19:18] <gonzo_> exampole of a 1/4 - 5/8 diual band ant
[19:19] <Vaizki> and do I then need a tuner to get them right or is it possible just by measuring signal strength from a beacon etc?
[19:19] <Vaizki> gonzo_: yea I have one of those too
[19:19] <Vaizki> .. somewhere
[19:20] <russss> I just bought a discone to go on my roof for wideband RX, but it also claims to be good for TX on quite a wide band
[19:20] <gonzo_> a 2mtr 5/8 antenna, one that has a coil at the base to match it, can be a useable antenna at 6mtrs. It is close to being a loaded 1/4
[19:20] <gonzo_> discones are pretty poor
[19:20] <Vaizki> I don't even know what "loaded" means here :P
[19:21] <russss> yeah I'm taking that bit with a pinch of salt. I don't have any useful way of getting antenna feeders through my roof anyway
[19:21] <Vaizki> I have a discone here at home and it can hear quite a bit.. don't have RA license though so am not transmitting through it
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[19:21] <gonzo_> loaded means, putting an inductor in the antenna (ie a coil) to make the antenna look electrically longer, whilst beong physically not that long
[19:22] <russss> this thing will be connected to a box-of-SDRs which I'm going to put up there, with ethernet out
[19:22] <gonzo_> often refered to as a loading coil
[19:22] <Vaizki> so it will be resonant on the right freq but won't really catch the whole wave?
[19:22] <Vaizki> so gain will be less?
[19:22] <Vaizki> or am I completely lost..
[19:23] <craag> yep it'll be resonant, but will be less efficient
[19:23] Action: Vaizki feels completely lost.
[19:23] <russss> you will get some loss in the loading coil
[19:23] <russss> which will affect your overall gain
[19:23] <Vaizki> ok but the loss is from the coil, not from the physical length?
[19:23] <gonzo_> on TX, all the power must go somewhere, so that is being radiated, or lost in losses. But on RX you need metal in the air to couple into the incomming field.
[19:24] <gonzo_> talking about gain can be confusing
[19:24] <russss> yeah, TX and RX are really quite different
[19:24] <Vaizki> well if I buy antennas, they all talk about gain on this and that band :)
[19:25] <jcoxon> its all black magic really
[19:25] <jcoxon> :-
[19:25] <jcoxon> D
[19:25] <eroomde> Vaizki: your intuition is right
[19:25] <gonzo_> grasping that seems to be rare in AR circles russss
[19:25] <russss> you can have something which has lousy SWR on TX but can still RX fine with a sensitive receiver
[19:25] <eroomde> loading is to make the antenna look like the impedance that the amplifier is ex[ecting at a given frequency
[19:25] <Vaizki> I am suspecting the discone is one of those
[19:25] <Vaizki> can't be too good at TX
[19:25] <russss> if you don't care about TX then ignoring everything you read is a reasonable first approach
[19:26] <eroomde> that means the TX can fire away without being hit by reflections from the antenna
[19:26] <eroomde> which can damage the tx
[19:26] <Vaizki> ah
[19:26] <gonzo_> gain is all about how much the antenna can fiocus the power (and reject rx noise) in a particular dirction
[19:26] <Vaizki> so the antenna is kind of correctly terminated
[19:26] <Vaizki> like an ethernet coax ;)
[19:26] <eroomde> in theory a nice ideal 50 ohm resistor will be perfectly matched
[19:26] <eroomde> but it'll just be a heater rather than an antenna
[19:26] <eroomde> so when using antenna tuners be aware that you can end up making a perfectly matched heater
[19:27] <eroomde> i.e. a hopeless antenna
[19:27] <Vaizki> I don't have a tuner
[19:27] <gonzo_> but sales people treat gain as a number they can wave about
[19:27] <Vaizki> I don't tx :)
[19:27] <russss> for TX (usually) your first concern is SWR/matching, then it's antenna gain, then it's the gain of the rest of your system. For RX just get something which is vaguely the right size, put it somewhere high up, and put your receiver as close as possible to it.
[19:27] <gonzo_> some antennas have resistors in for good engineering reasons. Goodle 'rhombic'
[19:27] <Vaizki> but any opinions on telescoping antennas?
[19:28] <Vaizki> talking RX still..
[19:28] <russss> Vaizki: what frequency range do you care about?
[19:28] <Vaizki> VHF/UHF mostly
[19:28] <gonzo_> if you want a good V/UHF wide band antenna, look for a bi-cone. they are popular for UHF air/mil band (225-400meg) but not that well known in amateur circles
[19:29] <Vaizki> bicone is like a discone with another upturned umbrella added?
[19:29] <eroomde> this first video is good (nothing to do with antennas) http://www.misc.name/coastermelt/
[19:29] <eroomde> this person has some really good reverse engineering chops
[19:29] <eroomde> i'm stealing the photoshop idea
[19:29] <russss> you can homebrew a SO-239 1/4-wave ground plane antenna for very little money. I had one on my roof for ages and it was great for RX
[19:30] <russss> it was tuned to 70cm but it was good on 2m too
[19:30] <gonzo_> not far off. Like a discone but with another cone in place of the disc
[19:30] <Vaizki> I have a X-100 I got used for cheap
[19:30] <Vaizki> hooked up to an airspy it gives me a lot of stuff on 2m/70cm
[19:31] <gonzo_> yep a 2mtr 1/4 ground plane will work reasonably at 70cm
[19:31] <MikkMihkel> StratosChem has 4 minutes of good music and action for you guys - https://youtu.be/HvUyHI5RLRQ :)
[19:32] <Vaizki> oops it's not X-100 nut X50N .. :)
[19:32] <Vaizki> 1.7m with ground plane
[19:33] <craag> I use a 2m 1/4 wave magmount for hab chasing
[19:33] <craag> Works better than a 70cm 5/8 for higher elevations
[19:33] <craag> Not so well at the horizon
[19:34] <gonzo_> a 5/8 on a reasonable GP has a good pattern for terrestrial work
[19:35] <prog> Vaizki: airspy is also compatible with finger antennas
[19:36] <gonzo_> if 2/70 amateur bands are what you are interested in, use an AR dual band collinear. They will work outside of those bands, but less effective the further out you go. But probably still better than a discone
[19:37] <Vaizki> prog: and why would it NOT be?
[19:37] <Vaizki> gonzo_: I also care about TETRA bands in the middle because of work :)
[19:38] <gonzo_> I can receive mil satel;lites on an x50 dual band antenna. And that is at 255MHz. So worst poss freq for that antenna
[19:38] <gonzo_> terta is 400meg?
[19:38] <Vaizki> gonzo_: is my X50 diamond a dual band colinear? I think it is..
[19:38] <Vaizki> yea 390'ish
[19:38] <gonzo_> a dual band AR ant will probablt be useable there for RX
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[19:40] <Vaizki> I need something portable as well though
[19:41] <Vaizki> maybe the 2m/70cm magmount would work well enough
[19:41] <prog> Vaizki: I'd say, the early protos mostly worked on my fingers as antennas
[19:41] <gonzo_> just a telescopic, and extend it to roughly 1/4 wave fro the freq you are listening to
[19:41] <Vaizki> right, that's why I asked about the telescopics if they're useless or not
[19:41] <gonzo_> yep, could try a little dual band mag mount
[19:42] <gonzo_> they are a 1/4 wave element. Give them a bit of ground plane
[19:42] <gonzo_> telescopics that is
[19:43] <gonzo_> put some ground plabe radials on a telescopic (even bits of wire you string out) and adjust the telescioc bit to 1.4 and you have a useable antenna
[19:43] <gonzo_> if you want any sort of gain, you really need an antenna designed for the actual band
[19:44] <gonzo_> butantennas for nearby (in freq) bands may still have useable gain and pattern
[19:45] <eroomde> buttantennas
[19:45] <Vaizki> ok thanks a lot.
[19:45] <eroomde> teehee
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[19:46] <gonzo_> thegain on those is shite ed!
[19:46] <michal_f> hi all
[19:46] <michal_f> Vaizki, seems we have similar concerns :) I too look for an antenna for hab
[19:47] <Vaizki> well I don't really need one for HAB, I think I just need to sort out a yagi.. :)
[19:47] <Vaizki> just interested in general about UHF/VHF antennas
[19:47] <michal_f> mhm
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[19:48] Nick change: pd3t -> pb1dft
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[19:48] <michal_f> I was considering x300 (connected to airspy) for base station...
[19:48] Nick change: pb1dft -> pd3t
[19:48] <michal_f> what distances could I get with that (for an ntx2b baloon)?
[19:49] <Vaizki> 800km? :)
[19:49] <michal_f> that much ?
[19:49] <Vaizki> if the balloon is at 35km and you have free line of sight?
[19:49] <Vaizki> I think line of sight is everything
[19:50] <michal_f> so it seems a good candidate for a first antenna
[19:50] <eroomde> (assuming the ususal low baud rate and everything)
[19:50] <Vaizki> it's a huge thing
[19:50] <Vaizki> the X300
[19:51] <gonzo_> yes, aa 10mW signal line of sight can go 500+km. On thr ground, in the clutter of buildings, you may only get a feo 100mtrs
[19:51] <gonzo_> few
[19:51] <Vaizki> 9dB of gain on 433MHz...
[19:51] <gonzo_> it also depends on the quality of the receiver
[19:51] <Vaizki> advertised gain
[19:51] <eroomde> out to the horizon
[19:52] <gonzo_> that will be 9dBi. The i menas compared to an isotropic antenna.
[19:52] <Vaizki> michal_f: when you look at the habhub tracker, the blue circle is the radio horizon. meaning that it's the maximum extent where the signal can be heard before the curvature of the earth blocks the signal
[19:52] <michal_f> I've got airspy with UBU's preamp - so I'm well prepared
[19:52] <eroomde> gain for a given amount of reciving metal is like a kitchen glove full of water
[19:52] <Vaizki> but any obstruction between you and the balloon will kill reception
[19:53] <gonzo_> isotropic means tx/rx equally in all directions
[19:53] <gonzo_> can do
[19:53] <michal_f> there's not much obstruction near where I plan to elevate this antenna - so I'm optimistic here
[19:53] <Vaizki> michal_f: more important than whether you have a 9dB or 7dB antenna is how high you can get it and how unobstructed your view is
[19:54] <michal_f> 6m above ground, and almost all buildingh around are 2floor
[19:54] <michal_f> max 2 floor
[19:55] <Vaizki> local HAM here set up a DMR repeater.. was looking for a site.. and got free access to this:
[19:55] <Vaizki> http://4.bp.blogspot.com/-fPx6L-fgkFE/UtRti23Ma9I/AAAAAAAACbE/fl0Xl0Yp7lE/s1600/IMG_20140113_151026.JPG
[19:55] <Vaizki> his antenna is at the top :D
[19:56] <Vaizki> yes, the coverage is pretty good...
[19:56] <michal_f> yeah...
[19:56] <michal_f> nice tower
[19:56] <gonzo_> most repeater groups would cream themselves to tet a site like that
[19:57] <Vaizki> the antenna was also there already, from an old network decomissioned over 10 years ago
[19:58] <Vaizki> 131m ASL.. well I am 31m ASL and my antenna is maybe +12m AGL.. :)
[19:58] <Vaizki> but lots and lots of trees and higher ground around :(
[19:59] <prog> Vaizki: did you have a chance to test the official fw?
[20:00] <Vaizki> hmm no
[20:00] <Vaizki> what's new?
[20:00] <Vaizki> 12MHz I'm not so keen on, 10MHz already needs a bigger monitor than my 27" to make sense of peaks :)
[20:04] <Vaizki> ok ok 12MHz is great, don't sulk..
[20:05] <prog> I mean, the RC5 on github
[20:05] <prog> wait
[20:06] <prog> how did I write in italic
[20:06] <prog> magic
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[20:08] <Vaizki> where's the changelog? :)
[20:09] <prog> https://github.com/airspy/firmware/releases
[20:10] <Vaizki> didn't I get that for testing the tuning delta and ext clock earlier?
[20:12] <prog> you don't have the filter enhancement
[20:12] <Vaizki> oops no that was RC4 yes
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[20:13] <prog> the filter looks better now
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[20:17] Nick change: clopez_ -> clopez
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[20:20] <Vaizki> well with internal clock this new FW is spot on at 144.800 on receive
[20:22] Nick change: fl_0|afk -> fl_0
[20:22] <Vaizki> same at 434.500.. exactly the right frequency
[20:23] <Vaizki> can't complain
[20:23] <prog> the internal clock is good enough
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[20:24] <Vaizki> yea seems to be.. the error is under 30Hz
[20:25] <chrisstubbs> flash + pdf = bluescreen on this pc apparently
[20:26] <prog> that's why there's no ppm setting hehe
[20:27] <Vaizki> actually seems to be pretty constant at 30Hz.. but that's like 0.2ppm
[20:28] <Vaizki> I don't have time to lock it to my sig gen now
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[20:31] <prog> with a sig gen you should have ~7 Hz
[20:31] <prog> but hey, that's a free upgrade
[20:31] <prog> all done by software
[20:36] <SpacenearUS> New vehicle on the map: 03OK1FRN_chase - 12http://tracker.habhub.org/#!qm=All&q=OK1FRN_chase
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[21:19] <michal_f> what do you guys use for pCB schematics? eagle ?
[21:20] <russss> kicad is what all the cool kids are using, but it's got quite the learning curve
[21:20] <_charlie> eagle and altium
[21:24] <michal_f> whats free and easy ? :)
[21:25] <_charlie> everything is free if you know where to look cough cough
[21:25] <michal_f> ;]
[21:25] <prog> lol
[21:26] <michal_f> will try eagle - it's free for personal use
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[21:51] <_charlie> eagle comes with a great manual and loads of videos on youtube
[21:55] <Upu> oh how little you know :)
[21:57] <fsphil> lol
[21:57] <mfa298> it does, however, come with a number of willing helpers on a little known irc channel about balloons :p
[22:00] <cm13g09> mfa298: PCB (geda and friends) also has that... perhaps in another esoteric channel
[22:01] <Lunar_Lander> good night :)
[22:03] <fsphil> niite
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[22:06] <Upu> I'm doing a presentation on Eagle at the conference
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[22:10] <michal_f> I wish I could attend
[22:15] <_charlie> Eagle is good, but has a few annoying quirks
[22:16] <_charlie> However I do enjoy making components on it
[22:17] <michal_f> I need smth really simple to start
[22:18] <michal_f> I downloaded Upu's lib and already drawing wires from PI to ntx
[22:18] <michal_f> it's fun
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[22:22] <_charlie> imo, there's nothing really 'simple'
[22:22] <_charlie> But if you stick at it, you will learn and it becomes second nature
[22:23] <michal_f> first encounter is positive
[22:28] <RealBorg> _charlie, I am beeing surprised how simple it is to code without human interaction
[22:28] <_charlie> O.o
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[22:29] <_charlie> ok cool
[22:29] <RealBorg> physics is simple - just think like god ;)
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[22:29] <RealBorg> "perfect logic"
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[22:32] <_charlie> ok
[22:32] <_charlie> I'm not sure what he was thinking when it came to Maxwells equations, but sure its easy i guess. O.o
[22:33] <_charlie> *He i guess
[22:38] <michal_f> coffee withdrawal syndrome ? ;]
[22:38] <_charlie> lol yeah
[22:39] <_charlie> "Just gonna write some random scribbles" that'll confuse students in the future
[22:39] <michal_f> heheh
[22:42] <michal_f> time to get some sleep - bye all
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[00:00] --- Tue May 26 2015