Hi gang,
Darrel AK6I pointed out foulups in my recent mail about
RF resistance. I was in a hurry and misread the wire sizes in
Sams "Reference Data for Radio Engineers" (sixth edition). Here's a
table of resistance values for copper wire based on the formula
on page 6-7.
Regards,
Pete
KS4XG
===============
Copper wire RF resistance per foot at band centers
gauge 160 80 40 30 20 17 15 12 10
4 0.0067 0.0094 0.0130 0.0155 0.0184 0.0208 0.0225 0.0243 0.0262
6 0.0085 0.0119 0.0164 0.0196 0.0231 0.0262 0.0283 0.0307 0.0330
8 0.0107 0.0150 0.0207 0.0246 0.0291 0.0329 0.0356 0.0386 0.0415
10 0.0135 0.0189 0.0261 0.0311 0.0368 0.0416 0.0450 0.0488 0.0525
12 0.0170 0.0239 0.0330 0.0392 0.0464 0.0525 0.0568 0.0615 0.0662
13 0.0191 0.0268 0.0370 0.0440 0.0521 0.0589 0.0638 0.0691 0.0743
14 0.0214 0.0301 0.0416 0.0495 0.0585 0.0662 0.0716 0.0776 0.0834
16 0.0270 0.0380 0.0524 0.0624 0.0738 0.0834 0.0903 0.0978 0.1052
18 0.0341 0.0479 0.0661 0.0786 0.0930 0.1052 0.1139 0.1233 0.1326
20 0.0430 0.0603 0.0833 0.0992 0.1173 0.1327 0.1436 0.1555 0.1672
22 0.0542 0.0761 0.1051 0.1250 0.1479 0.1673 0.1810 0.1961 0.2109
24 0.0683 0.0960 0.1325 0.1577 0.1866 0.2110 0.2283 0.2473 0.2659
26 0.0861 0.1210 0.1671 0.1988 0.2353 0.2661 0.2879 0.3118 0.3353
28 0.1086 0.1526 0.2107 0.2507 0.2967 0.3355 0.3630 0.3932 0.4229
30 0.1369 0.1923 0.2655 0.3160 0.3739 0.4228 0.4575 0.4955 0.5329
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