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PhosphorCalc

RF CALCULATOR
Ten RF and antenna calculators for amateur radio. Dipole lengths, path loss, SWR, link budgets, impedance matching. No network required.
RF calculator app for iPhone. Ten amateur radio and antenna calculators — dipole length, free-space path loss, SWR, link budget, impedance matching, wavelength conversion. Works offline, no network required.
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VT220 9600,8N1 BUF:64K SNR:NOMINAL