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When you subscribe, you receive only messages for the product you have subscribed to. You can check your current subscriptions and remove yourself from subscriptions at any time by visiting the Reviews Home page and clicking on the 'here' box under Subscriptions. If you have comments, questions, or problems with this procedure please write to the Forums Manager. To build the largest and most complete Amateur Radio community site on the Internet.
This project involves a management team of volunteers who each take a topic of interest and manage it with passion. The site will be something that everyone involved can be proud to say they were a part of. Toggle navigation. Forgot Password. Reviews Home. I have a TKR in service. It works very well and has provided great service. It is important to remember that the unit can run 50 watts for a derated duty cycle.
There is a nice battery backup terminal that provides a trickle charge. The fact that the whole shelf takes up only two rack units is nice. The software provides the installer with plenty of parameters to make it just how you want it. I have played with a big power amplifier and my choices of preamps with this unit.
After messing around with various combinations to make things "better" I realized that I had over-complicated the system and it's best to leave well enough alone. It's working very well with 25 watts and 0. A great many of these units are being taken out of service where public safety and commercial stuff is converting to digital.
Look for used equipment on your favorite auction sites for a good deal. Our club has 4 of them and I own one personally. Take it out and you have the same sensitivity of the Kenwood. I built some 10 db pre amps and put them between the receiver input and the duplexers. Work great, same sensitivity as the GE IIs. I wouldn't put a pre amp up near an antenna for love or money. Just asking for it to be blown out as I've seen time and time again. Plus why amplify noise before the duplexers?
Let the duplexers filter out some of the noise and protect the pre amp. We've had the pre amps and TRK's in service about 2 years with no issues. Set at 30 watts input to the duplexers. Runs just fine and no heat issue. Built in mini controller is nice.
We had trouble with a out board controller and switched to the internal one without loss of service. May not be the best out there but, they get the job done for us.
Then we bought 2 more to replace our aging Aerotrons. They have been in use daily for years now and never miss a beat. I have program'd all 3. I will agree that the sensitivity could be better. Could use a little more fan, but we have never had one go down. Price is very reasonable, and would buy one again.
The only negative thing I found was that the audio level on the discriminator is extremely low. I had to modify the CAT to get the audio up to where it should be. As for sensitivty I was disappointed. And yes, I checked the alignment and it was correct. I wound up using an Angle Linear GasFet preamp and a preselector to get it back up where it needed to be. Otherwise it is a very nice machine. Software is very easy to use and a breeze to program. Audio is really good also. We use these repeaters in commercial radio sites.
They are great! Excellent performance, even with less than optimal filtration Programmation is also a charm. Only one weak point: The suggested KPS switching power supply is a toaster.
Do not use it. However, since the TKR runs on 13,8 volts, it is easy to use just any heavy-duty power supply. We have 7 of these repeaters on our linked repeater system, they have been operating flawlessly for 5 years or so. The system is sometimes keyed up for hours on end, with no problems. Audio is fantastic, and it is easy to implement an external controller or accessory.
We have 2 others as stand alone repeaters, and 2 of the TKR They seem as reliable. We have ours set to 25 watts, since they can run nearly constantly in our type of link service. Kenwood rates them at 25 watts continuous, and that seems accurate. We purchased the models, but the higher split should work fine in the ham bands. As others have noted, about the only alignment required is the helical front end in the RX.
That takes about 5 minutes to do, but should be done for best sensitivity. These have a built in DTMF controller, which can be configured to control internal functions, or drive external accessories or relays. In the front part of the rec there are 5 coils you have to tune with a signal gen. Yes my kenwood was on mhz area. When I was done programing the repeater I checked the rec and it was 1.
Then I retuned the coils and got it down to. Kenwood makes a great repeater. Works great with my cat repeater controller,great audio also. The repeater puts out 35 watts. The rec goes down to. If anyone has a question on the programing on a kenwood tkr or let me know at kc9gmh15 yahoo.
Just want to let folks know that hams may be better off getting the low split K2 version, just FYI. Still very happy with the Kenwoods.
The Kenwood software is excellent. The 25 pin connector gives you everything you need. The UHF's are around spec at. The only thing I can fault the Kenwood's on is that the audio could pass a little more bass. Clean, crisp audio otherwise. No more We have had the Kenwood TKR on the air for about 18 months and have not had any problems.
Programmed repeater the on the bench and installed on site it has worked great without any changes. I agree the comment about purchasing the Kenwood TKR instead of building a repeater from parts. Time Owned: 3 to 6 months.
There are cheaper models on the market, but the TKR is a great deal considering your getting a quality commercial product from Kenwood. I have seen many of these in faithful service of police and fire departments throughout the area. One of my key reasons for purchasing them I have two is the intermod rejecting is great.
They are easily programmed and interfaced with a wide variety of repeater controllers. More than 12 Months. There is a delay before newly submitted reviews are Approved. The delay is for new review screening and approval. The delay varies from minutes to a day or more. Before adding a new product use the "Search" tool on reviews Home page to determine if that product already exists in a category.
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When you subscribe, you receive only messages for the product you have subscribed to. You can check your current subscriptions and remove yourself from subscriptions at any time by visiting the Reviews Home page and clicking on the 'here' box under Subscriptions. If you have comments, questions, or problems with this procedure please write to the Forums Manager. To build the largest and most complete Amateur Radio community site on the Internet. This project involves a management team of volunteers who each take a topic of interest and manage it with passion.
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