On Tue, 7 Jul 2009, kerinvale wrote: > Hi guys .Can anyone suggest ways to reduce ctcss dropout when someone > is talking loud on a repeater .The repeater radios are maxon pm150 > (sm4450sc) and I have tuned them using 600hz of ctcss and a 1khz tone > at 3khz modulation to make sure it doesn't happen ,but I have one user > that talks louder than the other users and it seems to breakup all the > time for them where other users seem to have no problems.Could I make > sure their ctcss from their maxon pm160 is around 600hz or 700hz or > could the problem be more tied up with the receiving repeater radio
Your user is over-deviating. Reduce the deviation in his radio, or tell him not to yell into the mic. The dropout is because his signal is passing outside of the receiver's bandpass. -- Kris Kirby, KE4AHR Disinformation Analyst