Thanks for posting your measurements Tony. I converted your percentages to dB total and dB/100 ft as shown in the following table. For your 220 ft runs, it looks like there is little benefit to using
Hi Tom The data are right in the ballpark for all but the 213 - no real 213 is gonna show better than 1.3db/100ft - so "very interesting indeed!" Press N8UG (I have the MIME problem on my LT and can'
Hi Press. You are right. Once Tom converted the numbers to db, the 213 results didn't look right. When I had done the tests I was only interested if everything seemed to be in the ballpark and workin
Press etal, Some time ago I measured various coax lines on a Hewlett Packard 8753 Network analyzer. This instrument is very accurate up through 3 GHz. Here are my measured values of insertion loss at
I believe the impedance inconsistency is attributed to the 9913's weak spiral dielectric. The center conductor has a tendency to move from center, particularity when making bends. -Paul, W9AC AN Wir
Joe points out something of significance: (Besides giving us some good, measured data) He said, "...BTW, although I haven't been following this thread very closely, it seems to me that the addition o
I agree heartily with drip loops. I also add a drip string. Just tie a string, preferably the size of binders twine, on the feedlin etc with about 7 inches hand down, make sure that the part around t