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Back in the good old days (before the curse of Microsoft), we did this all the time.

BALUN4 * Accurately models HF transmission line transformer, impedance ratio 4-to-1.

BOTLOAD * Calculate value and design the bottom-loading coil for any vertical antenna.

COAXPAIR * Full analysis of coaxial lines, 50Hz-1GHz, for any complex termination.

COAXRATE * Power rating of coax cables for given dimensions and SWR. 0.3-3000 MHz.

DIFFRAC1 * Radio propagation by diffraction over a single obstruction. Tx to Rx.

DIFFRAC2 * Radio propagation by diffraction over two successive obstructions. Tx to Rx.

DIPCAGE1 * Dependence of a 1/2-wave dipole cage antenna bandwidth on length and diameter (replaces WIRECAGE).

DIPOLE3 * Dipole at any height + any balanced line + any balun + any coax + L-tuner values.

EARTHRES * Ground electrodes, rods, wires, plates, mats. Soil Resistance measurements.

ENDFEED * HF performance of Inverted-L Antennas above system of ground radials.

GRNDWAV3 * Ground wave propagation and field strength vs pathlength, terrain and frequency.

HELICAL3 * Continuously-loaded, helically-wound HF antennas, top-C loaded with rod or wire.

L_TUNER * Calculate L & C values of an L-Network to match any pair of complex impedances.

LINOSITE * Line-of-sight radio links up to 500,000 km and 90 GHz. Aperture, beam widths, etc.

LOADCOIL * Design of short vertical antenna + loading coil. Slide coil up/down for max efficiency.

MAGLOOP4 * Performance of regular-shaped magnetic loops versus height and type of ground.

MATCHSEC * An impedance match by inserting in antenna feeder a short section of different Zo.

MIDLOAD * Design and performance of very short, center loaded dipoles above lossy ground.

PHASENET * Design of T & Pi phase-shifting networks for use with antenna arrays.

RADIOETH * DC, power frequency & RF characteristics of a shallow-buried ground wire.

RJELINE1 * Performance of open wire lines, 50Hz-1GHz, for any complex termination.

RJELINE2 * Full analysis of balanced-twin lines, 20Hz-1GHz, for any complex termination.

RJELINE3 * Full analysis of balanced lines with facilities for line transformer design.

RJELINE4 * Full analysis of balanced pair transmission lines. Line transformers with complex teminations.

RJELOOP1 * Transceiving, single-turn, magnetic loop antennas of various regular shapes.

RJELOOP2 * Transceiving, single-turn, magnetic loop antennas of rectangular shape.

RJELOOP3 * Receiving, multi-turn, square, loop antennas, ELF to HF.

SOILSKIN * Enter soil characteristics. Display a table of skin depth vs frequency.

SOLNOID2 * Design of cylindrical, single-layer, air-core coils of all proportions.

STUBTUNE * Stub transmission line impedance matching transformer design. Includes line loss

SWR-FREQ * Compare simple & folded dipoles. Input Z. Feed line VSWR vs freq. Bandwidth.

T_TUNER * Design & power efficiency of T-match networks for transmitting antennas.

TANT136 * LW & MW performance of small T-antennas above a system of ground radials.

TOPHAT1 * Top-capacitance-loaded, short, vertical antennas, including vehicle mounted.

TRAPDIP * Design of 2-band trapped dipole antennas including trap design.

TWOCOILS * Design & position two solenoid coils for desired coupling and mutual inductance.

VERTLOAD * Base-fed vertical antennas, coil-loaded at any height, with coil design.

WIRECAGE * Dependence of a 1/2-wave dipole cage antenna bandwidth on length and diameter.

WIRESKIN * Performance of 1 wire, an open-wire line & dipole. Show effects of loss vs freq.

ZL_ZIN * Compute what load impedance must be from line input impedance, Zo & length.

ZOC_ZSC * Obtain transmission line primary and secondary constants from Zoc and Zsc measurements.