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天线工具
天线系统计算器 | Antenna System Evaluator
2013-03-11
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This JavaScript program evaluates the performance of your antenna system, computing the consequences of SWR and feedline loss. 73 de Ron JavaScript PROGRAM by N6ACH
original program concept done in CPM basic by KC6A and N6NB.
Frequency in Mhz Coax Style |
30 | 50(6m) | 100 (2m) | 200 | 300 | 400 | 500 | 600 | 700 | 800 |
Andrews FSJ4-50B (1/2" Superflex) | 1.05 | 1.50 | 1.84 | 2.18 | 2.44 | 2.69 | 2.95 | 3.16 | ||
Belden 9913 (RG-8 type) | .65 | .8 | 1.30 | 1.80 | 2.25 | 2.70 | 3.00 | 3.30 | 3.60 | 3.90 |
Belden 9914 (RG-8/U type) | .8 | 1.1 | 1.60 | 2.40 | 2.95 | 3.50 | 4.00 | 4.50 | 5.00 | 5.35 |
Andrews FSJ1-50 (1/4" Superflex) | 1.85 | 2.68 | 3.30 | 3.92 | 4.40 | 4.89 | 5.37 | 5.78 | ||
Belden 8214 (RG-8/U type) | 1.80 | 2.70 | 3.45 | 4.20 | 4.73 | 5.27 | 5.80 | 6.25 | ||
Belden 8267 (RG-213/U type) | 1.90 | 2.70 | 3.40 | 4.10 | 4.90 | 5.70 | 6.50 | 7.05 | ||
Belden 8268 (RG-214/U type) | 1.90 | 2.70 | 3.40 | 4.10 | 4.90 | 5.70 | 6.50 | 7.05 | ||
Belden 8242 (RG-9/U type) | 2.10 | 3.00 | 3.90 | 4.80 | 5.37 | 5.93 | 6.50 | 7.05 | ||
Belden 9258 (RG-8/X type) | 3.70 | 5.40 | 6.70 | 8.00 | 9.03 | 10.07 | 11.10 | 11.95 | ||
Belden 84142 (RG-142 type) | 3.90 | 5.60 | 6.90 | 8.20 | 9.13 | 10.07 | 11.00 | 11.75 | ||
Belden 9273 (RG-223/U type) | 4.10 | 6.00 | 7.40 | 8.80 | 9.87 | 10.93 | 12.00 | 12.90 | ||
Belden 8240 (RG-58/U type) | 1.8 | 2.9 | 4.504.50 | 6.80 | 8.40 | 10.00 | 11.33 | 12.67 | 14.00 | 15.00 |