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What's the goto antenna upgrade for the 2m/70cm baofeng handsets? I can't pick up anything but the 162.4mhz noaa station.
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May 19, 2015 22:13
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| # ¿ Apr 27, 2024 13:07 |
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Thanks ordered a na-771 through amazon, should have it tomorrow. 
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May 19, 2015 22:59
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BANME.sh posted:i was driving the other day and i realized how weird it is that vehicles still come with a giant antenna on them for FM radio, but you can get little bitty electronics with FM capabilities that work fine. for example my old zune had FM and no big honking antenna on it. why are the big ones still needed. range i guess? I don't have the manual to my zune anymore, but I think it used the headphone cable as an antenna or something like that.
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May 25, 2015 22:46
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I bought a thing
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May 28, 2015 06:14
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I watched some videos on soldering and took out that headphone jack the old owner had added. I thought I had electrical tape, but ended up using duck tape instead.     It's an 8 ohm speaker, and it reads 8.1 ohms at the connector now so it's probably close enough.
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Jun 9, 2015 03:37
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Do you already have a power supply? This is one of the cheapest legit ones I know of http://www.amazon.com/gp/product/B00L2M2Y5O
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Jun 13, 2015 21:46
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PuTTY riot posted:my random length of wire antenna thrown out the window and jammed into the rx rca jack isn't working so well. hmm. Did you ground the radio?
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Jun 14, 2015 20:01
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Goddamn do you think they have enough questions in these loving test pools? I wanted to see each one at least once before starting on the next pool, but there are just so many in it. Edit: also synirc's ssl cert is invalid so I can't rejoin the channel.
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Jun 18, 2015 01:36
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PuTTY riot posted:I can't tell if I'm doing something wrong or if the built in meter isn't working but I wasn't able to get a good swr reading. maybe it's high enough that the radio just won't TX? idk. took everything down for now cause we got another band coming thru. RX is much better tho, a lot less noise than a wire running out the window. I don't know the minimum on your model, but on the 718 it says to transmit at least 30 watts to get a swr reading with the internal meter. Double check your antenna connections and try turning up the power a bit.
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Jun 22, 2015 02:31
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FCC just emailed me around three this morning with my license and callsign. 
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Jun 25, 2015 15:53
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Well poo poo. I got my coax in today and made an 8 foot monopole, but I can't find where it resonates. It's just a vertical section of cpvc with a wire running up it, and the wire is connected to the coax center conductor.
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Jul 4, 2015 01:51
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I went ahead and just trashed that cpvc antenna because that poo poo just isn't rigid enough, and the radials I tried tacking on were garbage. Maybe it should be a dipole made of copper pipe instead with a balun.
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Jul 8, 2015 23:23
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PuTTY riot posted:what freq is it for? 28-29.7MHz
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Jul 8, 2015 23:40
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If you've got any lights that turn on/off by touch those are supposedly really noisy.
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Jul 23, 2015 18:58
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You and your fuckin reasonably sized antennas  I'm wishing I had gotten a vhf/uhf rig instead of hf.
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Jul 24, 2015 00:25
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drat copper pipe is expensive. $17 for 10 feet to make the vertical, and I'm going to use the cheaper wire I have laying around to make radials.
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Jul 26, 2015 00:07
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Got some help this time https://www.youtube.com/watch?v=EEmEYSu-hP8
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Jul 26, 2015 01:43
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I got most of this poo poo put together now, but it's raining for the first time in a month right now so I cant bring it out to tune the length. cylinder at the bottom left is a common-mode choke wound on pvc.
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Jul 27, 2015 02:01
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monopole for 10 meters
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Jul 27, 2015 02:57
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So do I need to drive a stake into the ground for a monopole?
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Jul 27, 2015 19:41
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I dunno whats up with it then. I have it cut to 8"2', but the internal SWR meter is showing a 3:1 when I transmit on 10 meters.
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Jul 27, 2015 19:59
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OK I found it. The female to female adapter I'm using to connect the coax to the antenna is a piece of poo poo that doesn't always connect the outer conductors. It was reading over a megohm of resistance from the outer conductor at the radio end to the ground at the antenna. It's fine now that I've fiddled with it until it made a good connection. Now the SWR is 1.25 at the bottom end of 10 meters and about 1.75 at the top of the band. It's this piece of poo poo right here http://www.amazon.com/gp/product/B00R2LY2VS
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Jul 27, 2015 20:30
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loving with cw settings and txing awful morse code to see if anyone else is even on this band. The 718 has an option to use the channel up/down keys on the mic to run the internal keyer. Edit: my SWR on 12 meters is right around 2:1 so I can kinda tx on there too. brand engager fucked around with this message at 02:24 on Jul 28, 2015 |
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Jul 28, 2015 02:07
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atomicthumbs posted:?? weird Welcome to rf where everything is loving magic
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Jul 28, 2015 03:14
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Jonny 290 posted:nothing if i'm on the CB Fined for what?
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Jul 29, 2015 01:07
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longview posted:this cute UHF antenna showed up in the mail Nice chodetenna. What is it about thicker conductors that gives the antenna a wider bandwidth anyways?
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Jul 29, 2015 21:16
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10 GHz is up in the waveguide part of the spectrum. Also that's getting up into the range where you have to start using special PCBs and poo poo with the sidnal traces in between ground layers, and no bare leads to components because your wavelengths are getting short enough that loving everything turns into a radiator.
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Jul 30, 2015 03:20
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rip
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Jul 30, 2015 19:45
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This cheapo Astatic brand SWR meter is loving trash. Also I tuned the antenna down to 12 meter band, and got a <1.25 swr over the whole band since it's so narrow. Haven't made a single contact though since I got my license.
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Jul 31, 2015 00:17
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Goddamn nobody on 12 meters either. Do one of the legit brands make a 6m/2m/70cm rig? I could buy one of those or try to get down to 20 meters by stacking copper 17 feet high and hoping it doesn't fall over.
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Jul 31, 2015 02:42
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Got my antenna tuned down to 20 meters. Some of these people on the CW only section are ridiculously fast.
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Aug 2, 2015 21:52
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I still can't get anyone to reply to me on CW. 
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Aug 3, 2015 01:17
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Maybe I'm doing this poo poo wrong or something. I've been sending "CQ" a few times followed by my callsign and then waiting to see if anyone replies. The SWR is 1.5 and I even dug out my grundig receiver to verify that I'm actually radiating.
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Aug 3, 2015 02:35
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It's crazy how there's all that spectrum up here on 10 meters and nobody uses it.
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Aug 7, 2015 02:41
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That reminded me that we were having the annual one here sometime this month. Just checked and it was 3 days ago. gently caress 
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Aug 16, 2015 19:39
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Do any of you use the arrl antenna book? I'm looking for some kind of reference I can use besides googling poo poo.
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Aug 16, 2015 21:27
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Got that antenna book in. It's full of neat stuff. 
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Aug 18, 2015 21:25
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Incomplete Fish posted:Radio thread I'd really appreciate some advice one which of these would be more effective for HF listening. My constraints are that it either has to be strictly vertical(no inverted v) or instead relatively hidden; in case my current ideas are exceptionally bad. I was previously recommended the "really long wire antenna" and now I'm looking for something more permanent. The indoor antenna is probably better since it doesn't need to be weatherproofed.
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Aug 19, 2015 20:09
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I'm thinking about writing my research paper for an english class on ham poo poo. How badly am I gonna regret this?
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Sep 16, 2016 02:16
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| # ¿ Apr 27, 2024 13:07 |
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Star War Sex Parrot posted:also I'm not gonna give myself brain cancer by fiddling with a 50mW 10GHz radio am i Different kind of radiation. I think that's less power than a cell phone puts out so you should be fine even if you rub your balls on the antenna.
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Dec 23, 2016 05:20
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