I'd also check that the duplexer didn't get knocked and detuned. As well as making sure that the 440 input is connected to the input and not output.
Ed WA4YIH From: dstar_digital@yahoogroups.com [mailto:dstar_digi...@yahoogroups.com] On Behalf Of john_ke5c Sent: Friday, April 30, 2010 12:09 AM To: dstar_digital@yahoogroups.com Subject: [DSTAR_DIGITAL] Re: Dstar Repeater receive is bad . . > A few months ago, the same digital repeater was setup in Mt. Lukens in Los > Angeles and in the same setup where an analog repeater used to be. Right away > we noticed the difference in receive sensitivity. We made some test at a low > level location and that is where we realized that even in less than 2 miles > we can't access the repeater. You have a desense/overload problem. The receive bandpass filter will really help you. If you add a preamp, add it after the all important receive bandpass filter of course. > We will change the internal cables and make measurements in test points and > will look for a better duplexer and see if things will get better. RG-213 saves 0.1 db over RG-58. Wow! We wouldn't waste our time. 73--John
