The new Wouxun KG-1000G can be used as a GMRS repeater by attaching 2 of them. They have no ID broadcast. The ID-O-Matic IV can be used by attaching as shown in the diagram I have attached.
GMRS: WRKY635
GMRS: WRKY635
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Wouxun KG-1000G Repeater with ID-O-Matic IV
- Thread starter vernondraper
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Still not happy with the COR/COS. It triggers on every receive and not just a receive that has the correct PL codes......working on it. Happy to have help from any Elmers.
prcguy
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Looks like you are using the busy lamp output as a squelch detect for repeater keying. Usually a busy lamp lights up with any signal and not one decoded by PL. If so that will key up the repeater on any signal or noise that breaks squelch. You need a PL decode line that changes state when the correct PL is decoded.
Then there is the problem of the low quality wide band receiver in the Wouxun. A "real" repeater will have a tuned somewhat narrow front end receiver either manually tuned or varactor tuned so 5MHz away at the transmit frequency the receiver will be numbed down a good amount. With CCRs you must completely rely on external duplexers and filtering to provide adequate TX-RX isolation and you will end up spending more on a duplexer. I suspect a low cost flat pack notch only duplexer will not work very well, or you will have to keep the power very, very low.
Then there is the problem of the low quality wide band receiver in the Wouxun. A "real" repeater will have a tuned somewhat narrow front end receiver either manually tuned or varactor tuned so 5MHz away at the transmit frequency the receiver will be numbed down a good amount. With CCRs you must completely rely on external duplexers and filtering to provide adequate TX-RX isolation and you will end up spending more on a duplexer. I suspect a low cost flat pack notch only duplexer will not work very well, or you will have to keep the power very, very low.
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That radio was not intended to be used in repeater service.
Advice :
1. Ditch the china radios, obtain used commercial radios. Motorola and Kenwood radios offers accessory pins that will allow interfacing to a controller properly and easily. You need to use COR that's PL detected. A busy lamp is not COR.
2. Run the transmitter at 50% power with cooling. You could even have the fan be PTT/timer based if you wanted to get fancy.
3. Use only high quality duplexers. No Amazon china junk...EVER.
4. Avoid LMR 400 or similar feed line due to duplex noise.
5. Avoid china/amazon parts when you can. Now in 2021 we have to ask sellers if wire is based off of AWG. 10 gauge wire has different sizes/meanings based on what country makes it.
Being friendly to you RF neighbors is critical. If your repeater is on 462.700....it should really be on 462.700 and not spray clunkers all over the band and affect other users/repeaters. China radios are well known to do this. It all boils down to "you get what you pay for".
China radios have no receiver selectivity whatsoever. If your receiver is at 467.700 it should only pass 467.700 not everything on UHF and key up when the wind blows.
Advice :
1. Ditch the china radios, obtain used commercial radios. Motorola and Kenwood radios offers accessory pins that will allow interfacing to a controller properly and easily. You need to use COR that's PL detected. A busy lamp is not COR.
2. Run the transmitter at 50% power with cooling. You could even have the fan be PTT/timer based if you wanted to get fancy.
3. Use only high quality duplexers. No Amazon china junk...EVER.
4. Avoid LMR 400 or similar feed line due to duplex noise.
5. Avoid china/amazon parts when you can. Now in 2021 we have to ask sellers if wire is based off of AWG. 10 gauge wire has different sizes/meanings based on what country makes it.
Being friendly to you RF neighbors is critical. If your repeater is on 462.700....it should really be on 462.700 and not spray clunkers all over the band and affect other users/repeaters. China radios are well known to do this. It all boils down to "you get what you pay for".
China radios have no receiver selectivity whatsoever. If your receiver is at 467.700 it should only pass 467.700 not everything on UHF and key up when the wind blows.
prcguy
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I agree. I see the Wouxun KG-1000G radios sell for about $319 or about $638 for a pair. I've recently bought several used but perfect Motorola Quantar 125 watt repeaters in the $600 to $650 range. These were the finest repeaters you could buy at any price not that long ago and will do 125 watts out until the sun burns out. Plus most have P25 capability built right in if they ever change the GMRS rules or you want to put it on the amateur band. They also have a built in community tone panel so you could have several groups with their own tone or just set it up as a single user repeater. Why go CCR when you can get a real repeater for about the same price?
I run a Bridgecom repeater but also bought a couple of these for fun and to learn. I can afford to blow them up and if they don't work well, I'm okay with that.. Perhaps Chinese made tend to be junk but to generalize when you haven't tested these radios is just HAM snobbery which I have no patience for. Can you help? If not, why busy up the thread?
prcguy
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Ham snobbery? I've done what you are trying to do many times over, have seen the outcome and I'm trying to help you avoid the same mistakes. You already spent well over $600 on something that when complete might equal a kids go cart using a lawnmower engine and solid rubber wheels. For a similar price I'm suggesting you get the equivalent of a Lamborghini. If that doesn't interest you then don't complain when you experience desense and problems that cannot be fixed without spending more than the Lamborghini.
I'm not complaining. I'm asking for particular knowledge about this particular radio. Please go start a "I hate Chinese radios" thread or help; which I am still open to.
The_NotARubicon
GMRS Hobo To The Stars aka Randolpho (Randy) Cafe
Just as a point of reference. I have just setup a home-brew repeater built with two KG1000G's and it is working great, with a roughly 25-30 mile range in all directions - and is serving my need just perfectly..
Anyone interested can find it on 700, DCS/DPL=271 anywhere in the Inland Empire of Southern California.
Anyone interested can find it on 700, DCS/DPL=271 anywhere in the Inland Empire of Southern California.
The_NotARubicon
GMRS Hobo To The Stars aka Randolpho (Randy) Cafe
Also, just as FYI, BuyTwoWayRadios is working on an interface-cable for use with the KG-1000's and the ID-O-Matic.. Last word was it should be available in the next month or so.
I've bought some after-market PL encoder/decoders that've worked well....
That's great! Any info you'd want to share is appreciated.
prcguy
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For an external PL decoder to work you will need wide band discriminator audio into the tone board. The audio available on the mic jack is usually filtered above 300Hz and will not allow tone to get to the external board.
Not necessarily. The PL decks I've seen (and used) hooked up to the radios' discriminator (standard type) and they seemed to work--looks like the designers of the PL decks did a pretty good job anticipating the discriminators of typical radios. Of course that addresses only the discriminator brands I and a few fellow ham operators used, which probably doesn't cover all of the ones available.
I bought mine from Amateur Electronics in Milwaukee, Wisconsin (before they went bankrupt)--maybe the new store up there (Amateur Radio Outlet might be the name of the new place at the same location) carries them, too. (I forgot the name & model number, though--it's been a few years.)
The units I bought were pretty much plug-and-play; aside from 3 solder connections, all that was needed to get them running was programming the DIP switches, which were pretty tiny--I had to bend open a paper clip and used the tip from that to toggle the switches to the PL frequency I needed.
prcguy
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The diagram in the early part of this thread shows connections to the mic jack for receive audio, that's usually not discriminator audio unless you have gone inside the radio and wired the mic jack to the discriminator. Mic jack audio usually has PL tones filtered out to the point a tone board will not decode.
Because of the frequency response in the microphone section, I'd recommend tapping off a signal for PL some place other than the mic circuit (before audio tailoring takes place-most mic circuits have a pretty steep roll-off below 300 Hz unless you get a radio like Motorola which have a slightly different response curve).
CrissCross
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Hi vernondraper, hope you are doing well. Looking to do the same. Any update on this perchance?
I had heard that some additional info on how to get a true COR on this radio had been provided by the manufacturer but my lead has not provided any detail. Maybe a hopeful, but false report. I'm sorry that I haven't spent much time on it, lately.
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