Atmospheric Absorption: numerical tests

Verifies the JS port of ISO 9613-1 against the SPEC §5.1 reference table to within 1% relative error, plus the SPEC §5.2 relaxation frequencies and the SPEC §5.1 peak-RH sanity check. ← demo

SPEC §5.1 - alpha(f) values (tol 1%)

T (C)RH (%)p (kPa)f (Hz) expect (dB/km)goterrstatusnote

SPEC §5.2 - relaxation frequencies (tol f_rO ±0.5 kHz, f_rN ±5 Hz)

T (C)RH (%)p (kPa) f_rO expectf_rO gotstatus f_rN expectf_rN gotstatus

SPEC §5.1 - peak-RH sanity (peak |alpha| over RH at fixed f)

f (Hz)expect peak RH (%)got peak RH (%) tolstatus