Brian, My recommendation is the Motorola MTR2000. I have three of these units in Amateur service, and two in commercial service, with a third to be added very soon. The MTR2000 is a high-tier station that is built for continuous duty at full power. One of my UHF stations is only 100 feet or so from a 5 megawatt ARSR-4 radar, and it is not affected. Of course, it does have two 8" bandpass cavities and an Angle Linear preamp downstream of the six-cavity duplexer. More info here:
<www.repeater-builder.com/motorola/mtr2k/mtr2000-specs.pdf> Here's my shopping list for your repeater: T5544 (or T5766) MTR2000 station X540 ENH: UHF 100W 435-470 MHz Operation, includes integral circulator X597 ENH: Conventional Analog System Software (this is NOT the programming software) X580 ADD: Repeater Operation X182 ADD: Factory Tuned Duplexer TLE9022, similar to Celwave PD526-4-2) X84 DEL: Wireline Operation (Deleted, saves $200) X308 ADD: Indoor Cabinet 46" RVN4148 Radio Servicing Software (RSS) 3082056X02 Programming Cable GMN6147 Station Test Microphone HSN1000 Station Test Speaker, amplified 0185180U01 Cable to connect speaker to station 6881096E25 UHF MTR2000 Field Service Manual The above equipment will eat up a good part of a $10,000 bill, but will perform nearly the same as a Quantar at about half the cost. The MTR2000 is a modular design, and repairs are quickly made by exchanging FRUs (Field Replaceable Units). Armed with nothing more than a T20 Torx screwdriver, the station control module, exciter, or receiver can be swapped out in about five minutes- without removing the station from the rack! Be certain that you require 100 watts RF output, and the 40 watt model will not suffice. The higher power station will cost some $600 more up front, and the higher-rated PA and power supply modules are much more expensive if replacement is required. Also, the 100W station requires 28 VDC backup power, should you add the Argus Battery Reverting Charger. The 40W station runs on 14 VDC, and I can show you how to hook up a backup battery without the expensive Argus unit. 73, Eric Lemmon WB6FLY -----Original Message----- From: [email protected] [mailto:[EMAIL PROTECTED] On Behalf Of [EMAIL PROTECTED] Sent: Sunday, April 22, 2007 6:14 AM To: [email protected]; [EMAIL PROTECTED] Subject: [Repeater-Builder] Repeater Dream List Hi All! Here is a tough problem. A high ranking official in Law enforcement has approach me to recommend equipment for a UHF repeater to be used by hams to back up to local police/public safety. He sounds like he has deep pockets, the money sounds like it is coming from 9/11 inter-agency type funds. This will be used in the ham bands. Being a Micor junkie, and not really keeping up with newer technology (newer than 1985!! hi hi!!) what should I be looking at for him. The antenna will be a DB420, Andrew heliax, and radio should be Motorola ... (we are in Chicago, Moto Country!) With that in mind, we are looking in the 50 - 100 watt range. Thanks, Brian, WD9HSY
