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Jonny 290 posted:with the fuckin spare fuses inside ...and it is noticed that this is not my first rodeo 
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Jun 26, 2015 02:42
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| # ? Jun 8, 2024 04:26 |
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So are there any inexpensive tools or techniques to track down random RF interference? I've still been playing around with my SDR a bunch on a laptop wandering around with the short antenna trying to find better places to pick up repeater signals, and my house seems to be a morass of interference. I was reading something in the technician study guide about building directional rf sensors or something for doing "hunts" and I think that might be what I want but honestly am so new it's all very greek.
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Jun 26, 2015 18:58
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yeah. Direction finding ("RDF" or "DF") is a big, I guess you'd call it a side hobby? Focus? There are several ways to do it, you can build boxes that will give you a Doppler tone, you can build directional loop antennas to null it out (you don't look for the peak and walk towards it, you look for the null, as antennas have sharper 'dead spots' than they do 'hot spots'), all sorts of things.
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Jun 26, 2015 19:05
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what kinda cable should i buy on ebay to hack up to interface my 735 w/ my usb soundcard thing? that's all i need to do psk31 and stuff right? is this worth picking up too?
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Jun 26, 2015 20:54
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so who's doing what for field day tomorrow?
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Jun 27, 2015 01:40
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Sniep posted:so who's doing what for field day tomorrow? i'm making beer brats to bring to grill up at the field day tomorrow for lunch - they are bringing burgs so i figured brats would go well with   holy poo poo look at that fond  time to simmer for a while!
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Jun 27, 2015 02:38
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SpaceCadetBob posted:So are there any inexpensive tools or techniques to track down random RF interference? I've still been playing around with my SDR a bunch on a laptop wandering around with the short antenna trying to find better places to pick up repeater signals, and my house seems to be a morass of interference. I was reading something in the technician study guide about building directional rf sensors or something for doing "hunts" and I think that might be what I want but honestly am so new it's all very greek. a thing to remember is that a lot of that noise is internal noise on the RTLSDRs especially. good test is to unplug the antenna and see if that signal is still there.
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Jun 27, 2015 02:49
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Finally got around to picking up a handheld. I splurged and grabbed a TH-D72 because hooray TNCs, now to start attempting to decipher the manual
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Jun 27, 2015 03:23
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I did a thing (in progress) it comes out to 2 power poles. I gotta put tape on the terminals or smth before I put the top back on and also figure out something to fill the space where the bad battery should go
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Jun 27, 2015 03:24
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Jonny 290 posted:I guess you'd call it a side hobby? Focus? "kink"
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Jun 27, 2015 06:02
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how do i make the ham radio equivalent of a blotto box
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Jun 27, 2015 06:03
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Beast of Bourbon posted:how do i make the ham radio equivalent of a blotto box hug a trucker
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Jun 27, 2015 06:04
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PuTTY riot posted:I did a thing (in progress) Tape can get damaged i'd glue a strip of plastic on the lid to insulate it
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Jun 27, 2015 07:36
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got my 20m tuned up. 1.5 or less across the band. dips down to 1.1 at like 14.2 iirc. good group of guys.
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Jun 27, 2015 17:44
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boom. nice man. i hope you have a shitload of fun today. i realized the other day why the 735 imprinted on me - i've only been to one other field day, about 22 years ago, and when I rolled up, the first station I saw was a 20m SSB position with the guy running a 735.
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Jun 27, 2015 17:45
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ham fest status: oof i am beat hot and sunny and finished lugging all my poo poo back upstairs here - time for a beer my brats, batteries and solar were a hit + jonny's rig on 6m for the very few times it opened serious tho the brats disappeared in like 60 seconds after i walked away from the grill, onions too, super hit
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Jun 28, 2015 02:44
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a very good day. I had more fun today than I did at my first and only other Field Day, which by my best estimation was 1994 at the top of the biggest solar cycle with a pro club that had Ten-Tecs and big rigs Thanks for dragging me out Sniep, met a lot of nice fellas and ate one hella dank brat
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Jun 28, 2015 02:47
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hell yea fun as hell and now im beat and its time for a beer
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Jun 28, 2015 02:50
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I'm thinking about heading back out for nighttime fun after the wife goes to bed. I cut out around 3 or so.
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Jun 28, 2015 03:14
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that afternoon heat wipeout is field day tradition. it sucks we avoided by just having like an 8h field day op. i dont think theyre still operating. we showed up right at the stroke of noon, threw up the 6m around 2:30 or 3, bailed around 5:30 i think? next time i will be so prepared, oh my gosh i had the best fuckin time and didnt want to go home, but everybody was pretty played out
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Jun 28, 2015 03:29
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yeah i think the timing was just fine for me, glad to be home also good to know my solar/battery setup is fuckin' solid Sniep fucked around with this message at 03:51 on Jun 28, 2015 |
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Jun 28, 2015 03:49
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fun battery mod: put a little styrofoam block with a beer-shaped cutout behind a door, add peltier cooler
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Jun 28, 2015 05:43
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electrons served at 31 degrees
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Jun 28, 2015 13:42
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I didn't go back :/ I'm probably gonna climb on the roof next week to set everything up. gonna drill a hole in that top rail and send an eye bolt thru it I think. need some line too, HD only had bright blue stuff. paracord, kinda lovely tbh. makes me want to get a soldering *gun* too, and a rope cutting tip. maybe I'll look @ west marine, but most of their stuff is gonna be bright and also too heavy. spectra line is big w/ the sailing crowd.
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Jun 28, 2015 13:50
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I think I'm gonna check in to tonight's net on my baofeng from the pool-- "KG5*** turtle floatie mobile"
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Jun 28, 2015 15:07
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everybody on the net tonight is giving me 57, 59 "big audio" reports its the monday night 2 meter ssb net and it owns also one guy checked in with CW, so rad, i couldnt copy but they just worked him cross-mode like a champ
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Jun 30, 2015 03:50
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MORE ALUMINUM FOR THE ALUMINUM GOD The plans: 6m: http://www.g0ksc.co.uk/3el-19mtr-boom-lfa.html 2m: http://www.g0ksc.co.uk/6el-144mhz-ln-lfa.html With some leftovers to maybe make a 6m 5/8 wave or something like that. Or build sniep a nice 1/4 wave ground plane for his packet station or something. All I'll need to pick up are two 1" square aluminum 8 footers from Lowe's for the booms, some plastic cutting boards (they are used WIDELY for insulators and standoffs in homebrew radio stuff), hardware and we'll be good. Total cost should be right at $100 for both yagis; a lovely 3 element 6m yagi runs about 100-120 and the 2m ones are even more expensive, 150 or so (yagi element length costs almost nothing; yagi element number costs a lot due to mounting hardware). And these are specifically built to minimize back lobes and sky noise, which is what ruins your S/n ratio especially on 6m. Jonny 290 fucked around with this message at 17:21 on Jun 30, 2015 |
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Jun 30, 2015 17:18
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got my dipole up. tree location made it kinda v shaped I want a 6m transverter cause of all ur hijinks.
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Jun 30, 2015 17:40
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what're some other-than-APRS applications for a bunch of Motorola Saber I HTs if it turns out I can reprogram them onto 2m
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Jun 30, 2015 17:43
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735 is a primo transverter driver, it has a control wire in one of the DIN plugs, if you short it or give it +8v (I forget which) it puts the radio in transverter mode and bypasses the finals and shits out a couple milliwatts instead of 100w e: this guy is generating a lot of buzz and reports indicate these boards are made very well. http://www.ebay.com/itm/50-to-28-MH...=item33a3fdda4f plus a case and a couple of jacks, you've got 10 watts of 6m for a hundred bucks. unbeatable really
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Jun 30, 2015 17:43
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is this the right accessory connector? for psk31 and such. with the cm108 dongle
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Jun 30, 2015 17:45
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yeah tahts acc1 go ahead and pick up a 7pin for acc2 just so you have it if needed 
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Jun 30, 2015 17:48
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what do yall do about lightning with one of these things, or are they only up temporarily
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Jun 30, 2015 18:08
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unhook the antenna feedline if it's a direct strike your antenna's hosed anyways. best you can do is save your radios
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Jun 30, 2015 18:18
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Jonny 290 posted:735 is a primo transverter driver, it has a control wire in one of the DIN plugs, if you short it or give it +8v (I forget which) it puts the radio in transverter mode and bypasses the finals and shits out a couple milliwatts instead of 100w yeah this is the exact one I was looking at. maybe for Christmas, lol. I have plenty of hf stuff to play with
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Jun 30, 2015 18:40
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so you got the 20 dipole working all right? we might have to try a sked here pretty soon.
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Jun 30, 2015 19:05
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I'm 80 years old and I've had a couple of strokes and can't ride a motorcycle anymore
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Jun 30, 2015 19:08
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these 2 guys ragchewing one is 59 into me from IL i dont wanna jump on their QSO tho
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Jun 30, 2015 19:08
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he has a license for a 3 wheel tho
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Jun 30, 2015 19:09
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| # ? Jun 8, 2024 04:26 |
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yikes wrong thread thanks awful app
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Jun 30, 2015 19:49
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