Arrl Publications
IONSOUNDâ„¢ by W1FM
1.8-54 MHz Skywave Propagation Software - Version 4 State-of-the-Art Forecasting for Amateur, Professional & Military Users MENU DRIVEN: Easy-to-use interface for Solar Flux, Sun Spot Number, TX Power, TX/ RX Antennas, min. SNR, Local Noise, Bandwidth, Short/Long Path, Frequencies TABULAR SUMMARY: Slonal-to-Noise Ratio, RX Power & Microvolts, S/N and Path Availabilities, Total Link Reliability, E/F or Mixed Modes, Ant Gain/Take-off Angle IONGRAM CHIRP PLOTS: Selection of 0-30 MHz or 0-60 MHz Display Windows;
Hi-Resolution Color or B/W graphics shows LUF/MUF, Multipath, Mode Delay ANTENNA PEAK/NULL CALC: Variations due to GND effects; E/F skip distances DXCC/FREQUENCY DATA BASES: ASCII file contains callsign Prefixes, Lat., Long., Continents, CQ & ITU Zones; Freq./Net List; Printable Distance/ Bearing Table. Allows confirmation of IONCAP predictions in OST'a "How's DX?" column. For IBM* PC's & compatibles with CGA/EGA/VGA or Hercules Graphics Monitors
$35 Postpaid for 5.25"or 3.5"DSDD. Printed/Bound Manual $15.
Tech Info: 617-862-6742, Evenings. Send US Check/lnt'l Money Order to: JACOB HANDWERKER, 17 PINE KNOLL ROAD, LEXINGTON, MA 02173, USA
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