It's because ladder line is used at 450 or 600 ohm impedance, so it of That tenuous advantage disappears if one popular 360 ohm heavy duty window line variant of "450" line is operated at a mismatch.
Others have gotten 370 as well. I got 360 and 370 off different rolls. That's less than 3% variation. The one up now is 360. The next roll, who knows. I was always surprised at how often 50 and 75 oh
Well, to put it as it affected me as I read it, that's enough to give me the willies. While some might have read that as a victory of sorts, a successful test of a non-factory method, the very idea o
K3's underwent an extended evolution on sound issues in the first two or three ears. There are a lot of sound mods, including an outright replacement of one circuit board. A lot of K3's do *not* have
Not a flame. Good TX audio could involve just about every TX adjustment in a K3 depending on whose voice and what microphone. The short answer is to set up a K3 specifically to get some "punch" from
It is interesting to see so many come down to three main players, the K3, the Orion/RX366, the TS590S. When I was getting ready to move off my MP, I listened to some number of Orions before the K3's
Though I can see what you are getting at in your other points, I really don't agree with this one. 160 1/4 wave verticals with proper radial systems require real estate. But anyone who has gotten up
In my experience, a 50% VF is associated with a wire lying on the ground and is in the lower end of measured VF's for wires laying on the ground. 45% is the lowest I have seen personally. A regular b
Just to mention that the prior opinion is controversial and not universally agreed upon. Nor to date has anyone surfaced with actual measurements made at the distances (25 to 50 km) and with span of
The riveting experience I draw on is one particular IOTA contest where our group was operating as N4A on Core Banks, NC. The bands were full of signals in the early afternoon, including stuff on 40 f
A contest certainly is not only about transmit signal strength, nor is the lowest angle propagation always the most productive. There is always the 27 dB gain between the operator's ears (or lack of
I quite agree, and from what I have personally observed, I WOULD NOT EXPECT peak levels on RBN to show the difference, except in very special circumstances. The Core Banks N4A test was walking backwa
You would certainly be correct about the exposure. The site of the N4A Core Banks experience I related no longer exists in the same configuration. In 2011, Hurricane Irene removed 350 feet depth of s
You clearly have not been subject to "Finding True North" and its endless reincarnations on TopBand reflector, or you would not be complaining about such a minor thread as this. :>) 73, Guy. ________
We were talking about validating or debunking people's RX experience at the shore in various relationships to the edge of salt water. And the anecdota included just about any signal around, on whatev
Do we really care that skimmers aren't hooked up to antennas with pattern and gain? One of the things in using VOACAP is knowing the pattern of the RX antenna as well as TX. Omni pattern at RX remove
Or giving advantage to one or the other incoming angle in effect setting the primary signal arrival Not using a small omni RX antenna for this experiment introduces some serious calculation issues. E
So now NEC is definitive? Even with all it's known defects around the edges? NEC is the process that indicates the unproven/undisproven notch. Measurements at aircraft altitudes and 25-50 km or hold
I like to wind these kinds of things using RG400. That's RG58-sized teflon dielectric and teflon jacket with silvered copper double shield and silvered copper fine wire stranded center conductor. RG4
The somewhat devastating report from NEC 4.2 offered by Mr Fry is all the more gloomy if one factors in the now-common acknowledgement that NEC 4.x underestimates ground losses with less than ideal r