[EMAIL PROTECTED] wrote: > It will be in the 147 portion. Piece of cake. Dot the i's and cross the t's on the coordination paperwork, tune 'er up according the factory docs, build a nice filtering/antenna system, and she'll fly.
You'll probably want a pre-amp on the receive side -- factory-spec MASTR II receivers are not nearly as "hot" sensitivity-wise, as most (barn-door-wide) modern mobiles and HT's. In order to balance the performance of the repeater, it'll need more receiver sensitivity. It's already a very selective receiver with nice built-in filtering (helical cavities on the front-end), which is why they're popular... but adding the pre-amp then also usually means adding proper band-pass filtering if you're in a high-RF environment. That all depends on where it's being installed and your desired coverage. Most folks squeezing every last ounce of performance out of their MASTR II's have added high-quality LNA's somewhere in the receive path. It's easier to build an "alligator" with a MASTR II (big mouth, no ears) than an "elephant" (big ears, small mouth). You're shooting for something in the middle, so you probably need some help in the receiver side to make it balance out. (Remember the MASTR II Repeater/Station radios were built to be used in a system where the mobile rigs also regularly ran 100W! The design -- as originally conceived -- was balanced -- but the average ham today is using a 5W HT for almost everything. No one wants large trunk-mounted rigs with 6 gauge running from the trunk to the battery of the vehicle these days.) Nate WY0X
