Grant wrote:
>>> If my calculated ft remaining is correct at 600 feet, then measured loss
>>> per 100ft is currently 2.2 db at 30Mhz, 1.25 db at 10MHz and 0.5 db at
>>> 1.9Mhz.
The free TLDetails app (http://ac6la.com/tldetails1.html) includes Belden 83242
(RG-142B/U) as one of the built-in line types. The app can show a plot of
loss/100ft vs frequency, like this:
http://s31.postimg.org/7qyn2cg8r/TLD.png
I'm afraid I'll have to challenge Grant on his assertion of 0.5 dB at 1.9 MHz.
Clearly the correct figure is 0.494 dB. :)
Dan, AC6LA
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