CE WA2WVL.ANT, WA2WVL loop/Yagi to Japan SY APEX = 100 SY R = -40 ' was -64 ' driven element SY L1 = 64.5 SY L2 = 49 SY H3 = 6 SY ANG = 46 ' to compensate for droop SY ANG2 = 34.03 ' to make 5' length to center of rope SY W1 = L1 * SIN(ANG) ' w1 = 46.397' SY W2 = W1 - L2 * COS(ANG2) ' w2 = 5' SY W3 = .1 SY H1 = APEX - L1 * COS(ANG) ' h1 = 54.392' SY H2 = H1 - L2 * SIN(ANG2) ' h2 = 26.970' ' reflector SY LR1 = 65.82045 ' started lr1 = 66.13' SY LR2 = 52.35 ' started lr2 = 50.35' SY ANGR = 46 ' started angr = 46 SY ANGR2 = 34 SY WR1 = LR1 * SIN(ANGR) ' wr1 = 49.144' SY WR2 = WR1 - LR2 * COS(ANGR2) ' wr2 = 6.445' SY HR1 = APEX - LR1 * COS(ANGR) ' hr1 = 55.750' SY HR2 = HR1 - LR2 * SIN(ANGR2) ' hr2 = 29.069' SY HR3 = 6 ' directors, assume included angle = 110 degrees SY D1 = 33.3 ' was 33.3 SY LDIR = 61.49775 SY ANGDIR = 45 ' 43.43679 seems optimum SY YDIR = LDIR * SIN(ANGDIR) SY ZDIR = APEX - LDIR * COS(ANGDIR) ' director 1 SY LDIR1 = 61.33264 SY YDIR1 = LDIR1 * SIN(ANGDIR) SY ZDIR1 = APEX - LDIR1 * COS(ANGDIR) SY D2 = 66.6 SY D3 = 99.89999 SY D4 = 133.2 SY D5 = 166.5 SY D6 = 199.8 SY D7 = 233.1 SY D8 = 297.1 GW 1 5 0 0 APEX 0 W1 H1 #12/ft GW 2 5 0 W1 H1 0 W2 H2 #12/ft GW 3 3 0 W2 H2 0 0 H3 #12/ft GW 4 5 0 0 APEX 0 -W1 H1 #12/ft GW 5 5 0 -W1 H1 0 -W2 H2 #12/ft GW 6 3 0 -W2 H2 0 0 H3 #12/ft GW 7 7 R 0 APEX R WR1 HR1 #12/ft GW 8 5 R WR1 HR1 R WR2 HR2 #12/ft GW 9 3 R WR2 HR2 R 0 HR3 #12/ft GW 10 7 R 0 APEX R -WR1 HR1 #12/ft GW 11 5 R -WR1 HR1 R -WR2 HR2 #12/ft GW 12 3 R -WR2 HR2 R 0 HR3 #12/ft GW 13 5 D1 0 APEX D1 YDIR1 ZDIR1 #12/ft GW 14 5 D1 0 APEX D1 -YDIR1 ZDIR1 #12/ft GW 15 5 D2 0 APEX D2 YDIR ZDIR #12/ft GW 16 5 D2 0 APEX D2 -YDIR ZDIR #12/ft GW 17 5 D3 0 APEX D3 YDIR ZDIR #12/ft GW 18 5 D3 0 APEX D3 -YDIR ZDIR #12/ft GW 19 5 D4 0 APEX D4 YDIR ZDIR #12/ft GW 20 5 D4 0 APEX D4 -YDIR ZDIR #12/ft GW 21 5 D5 0 APEX D5 YDIR ZDIR #12/ft GW 22 5 D5 0 APEX D5 -YDIR ZDIR #12/ft GW 23 5 D6 0 APEX D6 YDIR ZDIR #12/ft GW 24 5 D6 0 APEX D6 -YDIR ZDIR #12/ft GW 25 5 D7 0 APEX D7 YDIR ZDIR #12/ft GW 26 5 D7 0 APEX D7 -YDIR ZDIR #12/ft GW 27 5 D8 0 APEX D8 YDIR ZDIR #12/ft GW 28 5 D8 0 APEX D8 -YDIR ZDIR #12/ft GS 0 0 ft GE 1 EX 0 3 3 00 1.0 0.0 GN 2 0 0 0 13 .005 FR 0 1 0 0 3.8 EN 'nec results for wa2wvl.ant 'WA2WVL.ANT 'WA2WVL Opt. 10-ele. 337' boom '3.800 MHz 'Sommerfeld-Norton 3750.GND 'Diel const 13, cond 5 mS/m '20ø elevation '123 segments ' 'Gain 11.37 dBi 'F/B 26.44 dB 'Impedance 46.0 + j 39.9 ê 'SWR 2.25 'Losses 0.64 dB