this is good advice "half Power" also, I use a 24 volt dc large size fan (about 5 inches) run at 12vdc it runs quiet, and moves enough air to keep things cool.
maybe at half speed, the fan will last twice as long??? heat will kill a radio fast..... Allen / K6GOD --- In [email protected], Charles Schmell <[EMAIL PROTECTED]> wrote: > > John - You should reduce the Power out to about half > and keep the fan on the heatsink of the transmit > radio. > > Search the archives, a lot on info on the GM300s > there. > > Charles, KS3Z > > --- John reid <[EMAIL PROTECTED]> wrote: > > > Due to the number of replies, I am sending this here > > . It is gone, > > thanks for the interest. > > We have what seems to be a real good site for an > > Amateur Repeater, 190 > > feet up the tower and 1 5/8 all the way to the > > antenna. > > So far it looks like we will have a first class > > station. > > For now we are using two GM300s, I hope to find a > > 100% duty cycle > > transmitter eventually, what do you guys think I > > should keep my eyes > > open for. It has to be fairly economical as we did > > spend a bit on > > everything else. > > Or, if we keep a nice fan on the GM300, will it be > > acceptable? I guess > > that only time will tell. > > Thanks again. > > > > > > > > > > > > Yahoo! Groups Links > > > > (Yahoo! ID required) > > > > mailto:[EMAIL PROTECTED] > > > > > > > > > > > _____________________________________________________________________ _______________ > Yahoo! oneSearch: Finally, mobile search > that gives answers, not web links. > http://mobile.yahoo.com/mobileweb/onesearch?refer=1ONXIC >
