The difference between winter and spring/ autumn and winter usually is very distinct up here and moisture is quite constant throughout the year. I have noticed that I have to adjust the phasing when temp. is going above zero and (in fall) it´s been below zero. Sometimes spring is late, sometimes earlier but the difference in phasing always is there. 73 SM6CPY
2013/8/6, Guy Olinger K2AV <olin...@bellsouth.net>: > In general, without knowing any details, it could simply be an indication > of insufficient radials with a large seasonal change in ground moisture. > If however during the dry season there is no change after a heavy rain and > the change remains constant across the season, then the smart betting is on > the trees. > > Distance from wire to trunk(s) and distance to foliage would be useful. > > 73, Guy. > > On Tue, Aug 6, 2013 at 1:32 PM, Robert Kavanagh > <73rjk...@sympatico.ca>wrote: > >> But, Carl, there may be other variables changing in the system, for >> example, the amount of moisture in the ground. So it's not a controlled >> experiment. >> >> Bob >> VE3OSZ >> >>> Every autumn (when the fluid is leaving the trees) and every spring >>> (when >>> the fluid is coming up again) I have to go out and adjust the phasing in >>> my >>> 2 el phased vertical for 160m. So some kind of effect does high trees >>> have >>> on the antenna. >>> 73 SM6CPY >>> >> _________________ >> Topband Reflector >> > _________________ > Topband Reflector > _________________ Topband Reflector