You know that is funny as one of the guys said that last night it did stop. But, it was back today when he listened again.
I am thinking about placing torrids on the cable runs from the controller(RC210) to the box where the PL tone board is and then to the radio. Maybe put one between the RC210 and the tone board and then another one on the cable going to the radio out of the tone board. 73 John --- In Repeater-Builder@yahoogroups.com, "Mark" <n9...@...> wrote: > > John, > > Regarding the hum - it's just trying to remember the words... ;-) > > Seriously, it sounds as if you suspect CTCSS coming through, and I would > agree. First you need to know is whether this happens ALL the time or not. > If it occurs all the time, it sounds as if your repeater's CTCSS tone > encoder is at fault; if it occurs only occasionally, then someone else may > be over-deviating their tone. > > Happy hunting... > 73 de Mark - N9WYS > > -----Original Message----- > From: Repeater-Builder@yahoogroups.com On Behalf Of W3ML > > Hello, > > I wanted to thank everyone again for the recommendations on how to fix our > system. I made several of the changes posted and we replaced the antenna and > hardline with new ones. > > The system is working right now. The problem with the radio power going up > has stopped and the noise is all gone when people talk. > > Only one thing to figure out is a low hum coming across on transmit. > > We have ruled out the power supply. From what I have read on here today in > old messages, I feel it may be the CTCSS coming through. > > But, it is nice to have the power up high and to be able to understand > people when they talk instead trying to make it out through the noise. > > Thanks again for all the help. > 73 > John, W3ML >
