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Antennas_CD-ROM_Walnut_Creek_September_1996.iso
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fodipole.asc
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1996-06-30
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39 lines
100 CLS : PRINT " *************************************"
110 PRINT " * FOLDED DIPOLE AND TEE MATCH *"
120 PRINT " *REFERENCE-HANSEN,PAGE 161,JAN. 1982*"
130 PRINT " * IEEE TRANS ANTENNAS/PROGAGATION *"
140 PRINT " * PROGRAM COPYRIGHT 1985 *"
150 PRINT " * R.P. HAVILAND, W4MB *"
160 PRINT " *************************************"
165 REM PROGRAM 27
170 PRINT "THIS PROGRAM CALCULATES STEP-UP RATIO"
175 PRINT "OF PARALLEL SECTIONS FOR FOLDED DIPOLES"
180 PRINT "AND MATCHING SECTIONS."
200 DEF FNAC (X) = LOG(X + SQR(X * X - 1))
210 PRINT "USE SAME DIMENSIONS FOR ALL ENTRIES": PRINT
220 INPUT "ENTER DIAMETER OF DRIVEN CONDUCTOR"; D1
230 INPUT "ENTER DIAMETER OF SECOND CONDUCTOR"; D2
240 INPUT "ENTER SPACE BETWEEN CONDUCTOR CENTERS"; SP
250 IF (D1 + D2) / 2 >= SP THEN PRINT "NOT POSSIBLE": GOTO 240
260 U = D2 / D1
270 V = 2 * SP / D1
280 GA = FNAC((V * V - U * U + 1) / (2 * V)) / FNAC((V * V + U * U - 1) / (2 * U * V))
290 RA = (1 + GA) * (1 + GA)
300 PRINT
310 PRINT "THE STEP-UP RATIO IS "; INT(100 * RA) / 100
320 PRINT : PRINT "PRESS R TO RERUN"
330 PRINT " C TO CALCULATE STEPPED-UP VALUE"
340 PRINT " Q TO QUIT"
350 A$ = INKEY$: IF A$ = "" THEN 350
360 IF A$ = "R" THEN RUN
370 IF A$ = "Q" THEN STOP
375 IF A$ <> "C" THEN 350
380 PRINT "ENTER IMPEDANCE TO TRANSFORM"
390 INPUT "MAGNITUDE"; MA
400 INPUT "ANGLE (DEGREES)"; AN
410 NV = MA * RA
420 PRINT "TRANSFORMED VALUE IS "; INT(NV * 10) / 10; "OHMS"
430 PRINT "AT"; AN; "DEGREES"
440 PRINT : GOTO 320