Thanks .These maxons pm160 are straight from the makers and the deviation hasn't been touched but I will check this radio on our service monitor and see how it goes. Thank You, Ian Wells, Kerinvale Comaudio, 361 Camboon Road.Biloela.4715 Phone 0749922574 or 0409159932 www.kerinvalecomaudio.com.au -------Original Message------- From: Kris Kirby Date: 7/07/2009 07:40:08 To: Repeater-Builder@yahoogroups.com Subject: Re: [Repeater-Builder] Ctcss dropout due to loud voice
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