[SFDXA] G4FQQ Ham Software List

[Bill Marx]

RJELOOP1 * Transceiving, single-turn, magloop antennas of various regular shapes. 
RJELOOP2 * Transceiving, single-turn, magloop antennas of rectangular shape. 
RJELOOP3 * Analysis of receiving, multi-turn, square, loop antennas, ELF to HF. 
HELICAL3 * Continuously-loaded, helically-wound HF antennas, top-C loaded with rod or wire. 
TOROID * Ferrite & iron-dust cored, toroidal coils. Size, Mu, Turns, uH, pF, Freq. 
VERTLOAD * Base-fed vertical antennas, coil-loaded at any height, with coil design. 
RADIOETH * DC, power freq & RF characteristics of a shallow-buried ground wire. 
EARTHRES * Ground electrodes, rods, wires, plates, mats. Soil Resistance measurements. 
TANT136 * LW & MW performance of small T-antennas above a system of ground radials. 
ENDFEED * HF performance of Inverted-L Antennas above system of ground radials. 
LINEAR1 * Models Class-AB, Push-pull, Bipolar Linear RF amplifiers up to 30 MHz. 
BALUN4 * Accurately models HF transmission line transformer, impedance ratio 4-to-1. 
RJELINE1 * Performance of openwire lines, 50Hz-1GHz, for any complex termination. 
RJELINE2 * Full analysis of balanced-twin lines, 20Hz-1GHz, for any complex termination. 
COAXPAIR * Full analysis of coaxial lines, 50Hz-1GHz, for any complex termination. 
RJELINE3 * Full analysis of balanced lines with facilities for line xfmr design. 
TRAPDIP * Design of 2-band trapped dipole antennas including trap design. 
PHASENET * Design of T & Pi phase-shifting networks for use with antenna arrays. 
TPINET * Design of T & Pi impedance-matching and phase-shifting networks. 
SWR-FREQ * Compare simple & folded dipoles. Input Z. Feedline VSWR vs freq. Bandwidth. 
SOILSKIN * Enter soil characteristics. Display a table of skin depth vs frequency. 
COAXRATE * Power rating of coax cables for given dimensions and SWR. 0.3-3000 MHz. 
ZL_ZIN * Compute what load impedance must be from line input impedance, Zo & length. 
SOLNOID3 * Design of cylindrical, single-layer, air-core coils of all proportions. 
MAGLOOP4 * Performance of regular-shaped magloops versus height and type of ground. 
PADMATCH * T, Pi and L resistive match-pad design using standard resistor values. 
MIDLOAD * Design and performance of very short, centre loaded dipoles above lossy ground. 
LCR * Complete analysis of behaviour of a damped, LCR parallel-tuned circuit. 
SWRMETER * Modelling, design, calibration & operation of HF SWR meters. 
LOADCOIL * Design of short vertical antenna + loading coil. Slide coil up/down for max effncy. 
PI_TANK * Design Pi-match output cct for RF power amp. Effncy, harmonic supprn, phase shift. 
ZOC_ZSC * Transmission line Zo,L,C,R,G,dB,VF from open and closed impedance measurements. 
Pi_L_Net * Design Pi and Pi-L output networks for RF PA's. Effncy, harmonics, phase delay. 
TETRODE1 * Design of Class A, AB1, AB2 and C RF Power Amplifiers, beam tetrodes or pentodes. 
TOPHAT2 * Short vertical antenna performance. Top-capacity-hat using radial wires. L-tuner. 
RJELINE4 * Analysis of balanced-pair transmission lines. Line xfmrs with complex terminations. 
T_TUNER * Design & power efficiency of T-match networks for transmitting antennas. 
GRNDWAV3 * Groundwave propagation and field strength vs pathlength, terrain and frequency. 
DIFFRAC1 * Radio propagation by diffraction over a single obstruction. Tx to Rx. 
DIFFRAC2 * Radio propagation by diffraction over two successive obstructions. Tx to Rx. 
LINOSITE * Line-of-sight radio links up to 500,000 kM and 90 GHz. Aperture, beamwidths, etc. 
MATCHSEC * An impedance match by inserting in antenna feeder a short section of different Zo. 
BOTLOAD2 * Calculate value and design the bottom-loading coil for any vertical antenna. 
L_TUNER * Calculate L & C values of an L-Network to match any pair of complex impedances. 
WIRESKIN * Performance of 1 wire, an open-wire line & dipole. Show effects of loss vs freq. 
SELECT_1 * Simple receiver preselector is a tapped parallel tuned circuit. Also coil design. 
TWOCOILS * Design & position two solenoid coils for desired coupling and mutual inductance. 
DIPOLE3 * Dipole, at any height + balanced line + balun + coax line + L-tuner L & C values. 
DIPCAGE2 * Cage dipole, resonant length, bandwidth vs SWR, end-effect, feedpoint impedance. 
ADDALOAD * Location and value of an L or C loading component to resonate an antenna wire. 
TRIODE1 * Triode RF power amplifiers. Class-A, AB, C. Tuned tank and Pi-match output ccts. 
MULTILAY * Design of multilayer coils wound in bobbins or other formers. 3000 KHz and below. 
WINDOM2 * Performance of 1/2-wave horizontal dipole fed via vertical single-wire transline. 
FEEDPOWR * Radiation from a coaxial line feeding a half-wave dipole without a balun. 
COAXTRAP * Design antenna trap using length of coaxial line wound as solenoid on former. 
TWINTRAP * Design antenna trap using length of twin-line wound on former. (Experimental) 
OSCTRACK * Superhet radio receivers - Optimum tracking of RF and oscillator tuned circuits. 
STUMATCH * Match antenna Zin to feeder with stub line xfmr. Both balanced and coax lines. 
STUBTUNE * Match antenna Zin to twin feeder with stub line xfmr. Includes xfmr efficiency. 
LPF_HPF * Simple L and C Hi and Lo-pass filters. T and Pi Sections. Insertion loss vs freq. 
BANDPAS1 * Simple L and C bandpass filters. T and Pi Sections. Insertion loss vs freq. 
INV_VEE * Performance of resonant 1/2-wave Inverted-V and Dipole antennas & feedlines.