Logan5

I mainly use my GMRS repeater for neighborhood use. non Ham class operators. I did not know b4 you reside in the Megalopolis, that complicates things quite a bit. It would make much more sense to get all your contacts at least technician class operators lic. and just use Ham. In your area you will have super congestion on GMRS and Ham will make much more sense. almost anyone can pass the technicians exam with minimal study. and it only cost 15 bucks. free on some special occasions.

so your saying that in your local area that all but one pair is used by another repeater? or more than one other repeater? there are 8 pairs, if one repeater is using all 7 other pairs on a closed systems that does not leave much to share with GMRS users.I am sure I am misunderstanding you. I have two repeaters. one on 600 and 675. a local hotel is also operating on 600 on a different PL tone of course. they are transmitting at 50+ watts and I only have 25watts they are very close by and I am still able to use the freq. just a lil noise and cross talk.

I am pretty sure you can locate 2 repeaters on same freq. as close as you wish as long as your CTCSS/PL tones are different, there may be minor interference especially if both are activated at the same time. some cross talk, and freq. transmitter competition, but most likely go unnoticed by the average operator/user. I am not sure if narrow band will help, as I am unsure of your repeater issue, I do know your repeater would need to be narrow band capable to use narrow band on your HT's.

Thanks again William, I will find another person to tune the duplexer then.

I also wish I could tune the duplexers, would be nice when changing freq's. keep in mind, I found GMRSoutlet here on the site and they only charge 45bucks and that includes the return shipping. you have to pay to ship it to them. so call it 55 dollars. not bad in my mind.

nope, it's an RFS same company as cell wave out of Marbouro new Jersey. The other duplexer I have is an actual Cell wave and I found a place that tunes them for 45 bucks here on the site.

Thank you for the Update. been waiting to see how it goes. let us know if the internal adjustments allow GMRS access.

Thanks William, I did end up buying the Motorola. it arrived this morning, I connected it to a pretuned duplexer I had already ordered and I like it better than the Uniden. mostly because it's small and light weight. the technician/seller claims it's a 30 watt set up, and I forgot to ask if it's a 25 watt radio with a boost. or if it's a 40 watt radio turned down to 30. someone mentioned this radio does not come in 30watt's I will have to ask, but so far I am getting even better range than the uniden. I have FTL600 and FTL675 but only have one up at a time.

I have seen this type antenna in a junk pile more than 12 years ago. if I had known then. what i know now.

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"Gary, what antenna is that w/all the gain?" lol, I know right, I was thinking the same thing. sounds like a Yagi antenna. Yes, I properly mounted the internal power to the chassis and the hum is almost non existent. at this point I have rebuilt the interns of the unit, replaced the duplexer cables. my only problem seems when some users key up I can not hear any voice, even though I know they are talking, AlI I hear on my end is a mic being keyed over and over during that transmission,. perplexing.

Yep the tip of my UVs 200 is only about 37 feet, but is mostly unobstructed . when I move into my new house, I plan to get a 35 to 40 foot tower, but since i am always experimenting with antennas and different frequency's I am thinking a telescoping or tilt over tower as well. if i could use one antenna for everything it would save me much aggravation, but I keep hearing you need a dedicated antenna for the repeater. I currently have 3 runs of LMR400 to the roof. RX and TX for the repeater and another for the antenna for my Handheld. and another question when they tune a duplexer is it so exact as the 462.675/467.675 or just 462.xxx/467.xxx?

with careful antenna placement on my roof top mast. I am getting quite the range now. Several miles in most areas. still on 2 separate antennas. the UVS 200 is RX on top an

with careful antenna placement on my roof top mast. I am getting quite the range now. Several miles in most areas. still on 2 separate antennas. the UVS 200 is RX on top and the TX is now a Blonder Tongue Log periodic yagi, for UHF TV but seems to work quite well, I have a pre tuned duplexer I am hopeful will arrive tomorrow, so as to get the yagi off my mast. all and all I am happy with the Uniden repeater, but the seller should have been more careful shipping an item of this nature. I pulled the duplexer out of the unit and it is not tuned to the same freq. as the radio, I assume anyone that tuned duplexers would affix a new label or use a marker to update the freq. listed. and that has not been done. so I will look for a local shop that will do it. anyone know how much that should cost?

Yes, JohnE, I am going to switch over to my batterys over the next few days.eleminating the AC power supply. Wide band is working well, a lil static, in addition to the Hum. but useable, I went to the beach earlier, and Keyed up the repeater close to 2 miles. mind you this is with a non optimal twin antenna set up. after I get a duplexer and or get this duplexer tuned. and stablize this set up, I will list it in the "With Permission" repeaters section. I have learned a lot of the past week. I decline to open an E-bay dispute, as this seller seems like an old guy much in my same situation, and I did end up geting this monster working. so I am satisfied. you guys have been awesome and of course YouTube for instruction. If any of you get to Fort Lauderdale, try to key me up my repeater and say Hi.

Ok, switched all the radios over to wide band, seems to work better so far. also moved the power supply around "since it's not secured" and buzz is now more of a Hum.

Oh "JohnE" the Motrolla set is 229 shipped.

The power supply looks as orignal Uniden part, that fit's in between the radios. it sends power out the back panel to both of the radios, However the front control panal also has a red and white wire that connect's directly, I will take mesurments and see if it is also 13.8 volt's but I suspect it is going to be around 9 volts.

all of the radios are set to narrow band. should I set them all to wide band, and try that? my double antenna tower on the roof is funny looking and the other half is giving me greif, can't wait to get back to a single antenna. I am not sure what to do in that area just yet.

yea, I don't want or need a 50 watt repeater, but something I can control and is better functioning. as this is also my Hobby, I am learning and enjoying the whole way. so even when I seem frustrated I am still happy to do something I love. as far as money is concerned I have a set aside for my hobby every month and ofcourse Paypal "Dangerous" allows me to Troll for "so called" Bargains on line. since i am also a ham I am not aginist operating a repeater in the 440 range someday. but in the mean time I am learning here first as you know "Old hams" can be very unforgiving.

Question: The BUZZ I am getting on this Uniden repeater, is likley due to the power supply? since I have solar panels, should i consider powering it directly? I have 24volt mains, and the step down converters I have used on other 12 and 13.8 volt radios, were silent in operation. also, I have one user who when he transmits I only get a sound like a keyed mic 2 and 3 times but no voice from the repeater, just the open air sound with that meduimn level buzz. when he is close in it seems to work fine. when i am at his location, my radio has no problem reaching the repeater. so not sure what to make of it.

ok, so i got the repeater working, however the duplexer seems to be one of the problems so I have TX and RX on seperate antennas and 2 seperate 30' run's of LMR400. it's got a buzz when transmitting and some how local digital transmissions on 462.600 breaks the ctcss set on my HT and blares out at the volume set. This is an annoyance that causes many of the people I need to communicate with to turn the volume all the way down. Since I have no way of changing the freq. or the pl code. I am stuck with this configuration, so I will be on the look out for a better repeater set up and send this unit to my brother who lives in the woods and less likely to get as much cross trafic and noise. The unit I am looking at now is: ""Home Brewed" Motorola 30 watt UHF 2 channel repeater; repeater has two SM50 Motorola/Radius mobiles for the transmitter and the receiver; both radios are interfaced to provide repeater RX/TX functions; new fan installed on transmitter for cooling; total weight of repeater is less than 5 LBS; unit is capable of being powered by 12 volt DC either from a power supply, vehicle cigarette lighter or battery; included are a microphone," is a good price. does not include a duplexer, but is re-programable. He also claims: "all equipment certified/tested and programmed by a local Motorola Service Shop and I have a 30 day guarantee on performance; specs recorded when bench testing are 30 watts on TX and .25uv sensitivity on RX; we guarantee all equipment functions as specified or refund/replacement is allowed if necessary; many of these sold over the years with complete satisfaction!"

I got a cross needle meter for 60 and another 14 for a jumpper cable. still have not hooked it up, not even sure how to use it. but I think I got it. as I write I have hooked it up to my HT and I get some needle movement. will have readings after I find my glasses.

Also I may already be experiencing flaws in the UVS200 antenna. it has been raining since yesterday and when i use my baofeng HT radio on this antenna, the LCD display fades after a few seconds of transmission, yet this does not happen on the whip antenna or even another whip I have on the roof on the end of 25 feet of LMR400, not sure what to make of it. I am heading to local Radio shop to get an SWR meter now.

in the middle of filling a conflict resolution form with e-bay. they want me to make further contact with the seller first. anyway, as he has a no return policy. I will only recieve a portion of my money back if any. no problem. I will work with this unit until it becomes futile. seems the jumpper cables are crimped and of low quality to begin with. so I have ordered replacements. my concern is how inportant is the length and size ie:RG58/LMR400 of the cables from the radios to the duplexer? I have seen comments concerning the length of cables when useing an SWR meter or an Antenna analizer. I chose 2x 1foot LMR400 cables with UHF male and BNC male so as to fit this configuration. however I may wish to order a new duplexer pretuned from China with type N connectors since this is the most common connector i use. since my repeater is 25 watt's is there any reason not to get a 50 watt or even a 100 watt cavity duplexer, for future upgrades?