NIL HEARDRECEPTION LOG

WWV time signal

tier A · keyed-tone

10000 kHz AM · 2026-10-06 04:01:30Z · 02:52 · received at Pine Bush, NY 12566

Spectrogram of WWV time signal, 10000 kHz AM, 2026-10-06 04:01:30Z, 02:52: keyed-tone 89% · carrier 11% · tone 439 Hz · keying 0.50 Hz depth 0.96
spectrogram 0–6.0 kHz · analysis blocks: keyed-tone carrier
loop [ ] · speed in the player bar · deep link #t=seconds ⤓ FLAC 2.7 MB ⤓ Opus 681 kB { }
What was heard
keyed-tone 89% · carrier 11% · tone 439 Hz · keying 0.50 Hz depth 0.96 — dominant tone 439 Hz, keyed at 0.5 Hz (depth 0.96). Machine description of the sound by the rig's classifier; it sorts, it does not certify a station.
Receiver
KiwiSDR, Pine Bush, NY 12566 (FN21up) · 250 ft Doublet, Elevation 100 ft · reported SNR 35 dB — thanks to the operator. Receivers
Provenance
sha256 b3e2ec4b5e8f8e571ec8915caf12b0dd31ffcd2e7c1d8aa0d0fc9ec7bea0e1fa
source 02:52 WAV, 11999 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-10-06T0401Z-10000-wwv-10000-na
Heard in the record
— linked once the record exists.
Licence
CC BY 4.0 — credit NIL HEARD / Reception Log. The recording is ours; the transmission is somebody else's. Descriptions describe sound, never content — why.
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