Without looking at the rest of the replies, I will comment here on the cable you have. replace that LMR400 with heliax. LDF4050A or better, LDF5-50A or equivalent You can get a good eal on Heliax and connectors from: <http://www.surpluscoax.com/index.html> The LDF5-50A is $2.55 per foot, less than 1/2 of the usual price for this cable, and their shipping charges are reasonable. Buy cable and connectors at the same time, and buy the correct connectors for the cable you buy. This alone will actually help on the receive, not to mention the transmit. Add a better antenna as well.
I have not heard from them yet, but I may wind up helping the local VFD here get their system on the air. Not sure what they have in the vehicles, but the main base unit is an MTR2000 Motorla, and the tower is about 85 feet high (27 meters according to the information on the FCC web site). But not sure about the antennas or coax being used yet either. I will not look too deep till I know more. the use of cables like LMR400 is frowned on for repeater use, and may not do as well as even 1/2" Heliax can do. the 7/8" Heliax would be far better. I have 7/8" Heliax for use with my 440 repeater, and figure it will help me to have decent range, even though I won't have the antenna very high for the time being. in the cabinet, as others have mentioned, use a good double shieleded coax like RG142, RG214 or similar. Even tyhere, avoid the stuff with foil and braid mixed. YMMV Wayne WA2YNE --- In Repeater-Builder@yahoogroups.com, "jstechnicalservice" <[EMAIL PROTECTED]> wrote: > > > > Thanks, Ron > Here is more information on what we have. The HAAT is 122ft., we > currently have a Maxrad MFB-1503 3db antenna and LMR400 coax. We are > using a ST2 Midland at 110W and there is some type of older pre-amp > installed with no tag, but has 6db hand written on it. Any > suggestions for improvement will be appreciated but we do have a > limited budget, especially with the impending rebanding. We want the > high-band repeater in place for backup when this happens and also as > our primary for the time being. > > > >
