Gut suspicion is that you have a relay with fused contacts or blown coil or some such, and your ACTUAL connections inside are not not what you would be expecting from the schematic. Or maybe a burned up trace or something.
On Thu, Jan 19, 2012 at 5:33 AM, Josep <[email protected]> wrote: > Hi all, > > I have recently noted a degradation in the signals arrived to my K9AY loops. > In fact, signals are better on my 25m top-loaded-vertical rather than the > loops.. I have checked SWR at the base of the ant and it´s very reasonable, > 1.2:1 and some 40 ohm. Measured inside the shack, and directly to MFJ-259, > remains the same, but things change when i measure it through the switching > relay box, SWR goes up 2.5:1..! I have leaved the coax connected directly to > the rig, instead of connecting it to the relay box, but can switch loops > anyway. Advantage of connecting it to relay box, is to get the Preamp working > I guess...So, later today or tomorrow morning I will try how it works this > way. What could be the reason of that increment in SWR when coax goes thru > relay box..? Something has blown inside..? Is there anyway to check the > box..? > > Thanks for help.. > > Josep > EA6BF > _______________________________________________ > UR RST IS ... ... ..9 QSB QSB - hw? BK _______________________________________________ UR RST IS ... ... ..9 QSB QSB - hw? BK
