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Most mobile radios are seriously deficient in many aspects when put into repeater service. Purposeful repeater stations are generally designed to higher standards. Duty cycle of mobile transmitter 25%

Interesting comments Matt... company I work for is owned by three brothers who bought their Dad out 40 years ago... one is a neat freak and uses guides and routes every coax and wire all neat and

I would add that building a repeater for home made from a pair of mobiles is typically done with a "flat pack" duplexer (thinking UHF here) which are cheap and band reject only. These do not perform

To retort: Many, if not most, current "factory" repeaters today are nothing more than 2 mobiles in a box. So if the act of buying them pre-packaged in a metal wrapper makes it professional so be it.

Earlier in the game, the same basic guts were common to mobiles and base stations / repeaters. Obviously, the packaging of these differed. Mobiles were compacted for said environment with less

Professionalism. If you are building a repeater to put at your house, or what I would call a non-commercial site, 2 transceivers can be an option.? If you are planning on putting the repeater at a

It seems many individuals and groups when they want to put up a repeater opt to just buy a sometimes expensive box like a quantar, msf5000, msr2000, ge, kenwood, virtex, icom, etc and call it a day.

Since its now official that Hamvention is cancelled this year, I have to go online to start my hunt for a repeater. I'm looking for a VHF Motorola Quantar for a new repeater project. If anyone in the

Any time a cap jumps around it is bad and the green junk is a sure sign of water

I'm working on this VHF duplexer our club acquired from another Ham. He doesn't know any of the history before he received it, so I don't know if this was factory ordered for the 2 meter band or if it

Yeah, I forgot to mention that bit - the AEMC units can be a little pricey but you can sometimes find them on the secondary market for less. I paid WAY less for mine and it was almost new with the

Nice clamp meter apart of the price being around ?1200. I use mine more for nuisance RCD tripping very easy to clamp around the pair of main tails and measure the leakage of the whole installation I

Oh and it has 1ma resolution which is hand for low current devices... http://www.extech.com/products/380950

I've been using the Extech 380950 (80amp AC/DC) for over 10 years now and been very happy with it. It most certainly is not as rugged as a Fluke but is great for measuring DC and AC current in tight

Glenn, I am in total agreement. Also of note is that any implementation must also be in compliance with local codes. The ARRL book shows more of how NOT to do things than it does how to do things

Another source of information is MIL-HDBK-419. This is a source of information for R-56 and is available free on the net. FAA STD-019 is another very good source (when was the last time you saw an FAA

Hi Skyler, What the picture inside the cavity does not show is the height above the cavity wall the probe assy is. For the probe cavities, about 15mm worked for me. DO NOT get the probes too close to

Skyler The cutting chart for the cables is at the bottom of the Cactus publication. Build the T-1507 duplexers and you will be one happy person and the site owner will be happy too. Having the

I get to wear the idiot star on my forehead tonight! Although I have the original Motorola documentation – the information you need is at the bottom of the Cactus-Intertie attachment on the email I

Thanks Bill, yeah I totally realized they were bandpass only, I just thought I would give a shout out here to see if they are easily convertible into notch. I have about 15 bandpass filters in my