Dan, Have you had a chance to do any work on your antenna system? Rich AA2MF
On Jan 1, 2012, at 10:54 AM, Richard Cariello wrote: > Dan, > 160 Meters is a world all to its own. Things will happen to your station that > would never happens at any other band. > > Trouble shoot your problem by eliminating extra parts. > Take the RCS-10 out and connect the transmission line from the inverted-L > direct to the station. Tune and get the inverted-L working to its best. See > if other things blow or burn up. Once all is working then place the RCS-10 > back in line. The length of the coax, something coupling at 160 meters, a > loose ground or ground loop might be in play. The list can go on and on and > will change as you tune the inverted-L for best performance. So again KISS go > direct to the inverted-L and see what happens. > Rich AA2MF > > On Dec 31, 2011, at 8:21 PM, Paul Dulaff wrote: > >> Dan >> >> A couple of thoughts... >> >> When transmitting, is the RCS-10 antenna switch inadvertantly changing >> (switching) antennas (ports) during the transition from receive to transmit, >> possibly RF getting into the switching circuit causing this ? Do you lose >> the 12VDC to the switch when changing from receive to transmit ? Are you >> trying to support semi-break-in with the RCS-10 ? >> >> The ratings on this switch are fairly good. 16 amps, 1200 volts. I would >> think that it would need to be feeding an open or a short to fail this >> quickly at this power level or switching at full power. >> >> Paul - WB2NMI >> >> >> ----- Original Message ----- >> From: Dan Bookwalter <[email protected]> >> To: [email protected] >> Sent: Sat, 31 Dec 2011 17:34:09 -0500 (EST) >> Subject: Topband: More Inv-L matching issues.... BIGGER ISSUE >> >> Ok... >> >> I went and added 9 more radials the SWR is now at 1.2:1 after some adjusting >> of the air variable.... >> >> well , i decided to see how the amp (Alpha 374A) loaded into the antenna , I >> keyed down with maybe 500 watts and everything went dead again in less that >> 1 second. So it now appears that I have smoked another relay in the RCS-10 . >> >> One thing about this configuration is that the base of the antenna is about >> 16" from the RCS-10 , is this too close ? I can probably move it so that it >> is about 4' away if that is the issue.... I cant afford to keep destroying >> relays and such.... >> >> thoughts ? >> >> Dan N8DCJ >> >> >> ________________________________ >> >> -----Original Message----- >> From: [email protected] [mailto:[email protected]] >> On Behalf Of Dan Bookwalter >> Sent: Saturday, December 31, 2011 2:41 PM >> To: [email protected] >> Subject: Topband: More Inv-L matching issues.... >> >> well about a month ago i put up my Inv-L , it is now ~165ft , I have an air >> variable in series , and 12 radials anywhere from 150-250ft long ( going out >> to add more as soon as i am done typing this). my SWR wasn't too bad maybe >> 1.7:1 at the best. Two nights ago I added an amplifier to the mix ~700w , >> well to make a long story short I smoked one of the relays in my RCS-10 , I >> am now not too sure what to do , I don't want to keep blowing out relays in >> the RCS-10. >> >> I had several responses back then regarding matching etc... , but , in my >> haste i seem to have deleted them :-( >> >> so here i am again asking for advice... >> >> any help greatly appreciated >> >> Dan N8DCJ >> _______________________________________________ >> UR RST IS ... ... ..9 QSB QSB - hw? BK >> ----- >> No virus found in this message. >> Checked by AVG - www.avg.com >> Version: 2012.0.1901 / Virus Database: 2109/4714 - Release Date: 12/31/11 >> _______________________________________________ >> UR RST IS ... ... ..9 QSB QSB - hw? BK >> >> _______________________________________________ >> UR RST IS ... ... ..9 QSB QSB - hw? BK > _______________________________________________ UR RST IS ... ... ..9 QSB QSB - hw? BK
