ON1CH — reception at SO8OO

Signals decoded by SO8OO in southeastern Poland. FT8 and CW have separate histories; all times are UTC.

FT8 activity

DXCC entity inferred from callsign: Belgium Most frequent locator attributed to this token: JO21

Receiver-side FT8 activity involving ON1CH, decoded by SO8OO in southeastern Poland. 346 FT8 messages attributed to this token as transmitter, on 160m, 80m, 40m, 20m, 10m, across 33 UTC dates in the available aggregate history. Observed between 2026-06-07 and 2026-10-27.

These are automated observations at the SO8OO receiver, not an official contact log. Times are UTC. Attribution follows decoded FT8 message structure: CQ uses the first token and directed-looking messages use the second. Free text that resembles a directed message can be attributed imperfectly. Summary S/N reflects propagation plus SO8OO receiver, antenna and local-noise conditions. Counts are not adjusted for monitoring outages; transmissions that were not decoded are absent. Inferred entity and location data may be inaccurate for portable, remote or special-event operation.

SO8OO decoded 346 FT8 messages attributed to ON1CH as the transmitting token by decoded message structure across 33 UTC dates in the available aggregate history. The largest monitored-band total was 40 m (67%), followed by 80 m (14%) and 20 m (13%). Most decodes (82%) fell within the six-hour window 04:00-10:00 UTC. Received S/N was mixed across SO8OO's weak, moderate and strong ranges; the estimated median was -12 dB.

Overview

346
Messages attributed
33
UTC dates decoded
69
Active 15-min windows
-12 dB
Estimated median S/N

Bands

First attributed message: 2026-06-07
Last attributed message: 2026-10-27 18:25 UTC

Observed FT8 message patterns

Attributed sample
346 messages
Active dates
33 UTC dates
Estimated median S/N
-12 dB
Estimated 10th-90th percentile
-19 to -4 dB
Recurring-pattern threshold
Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 88, moderate (-15 to -9 dB) 162, strong (≥ -8 dB) 96.

WSJT-X defines S/N reports against a 2,500 Hz reference noise bandwidth. The ranges above are SO8OO receiver-side display categories, not official WSJT-X classes, transmitter-power measurements or estimates of how easy the station is to hear elsewhere. Statistics include only successful decodes on SO8OO's monitored FT8 channels; transmissions that were not decoded are absent.

Attributed messages by UTC hour

Rolling 90-day UTC chart window. Counts follow decoded message structure: the first token for CQ, or the second token in a directed-looking message.

Most frequent locator attributed to ON1CH

The map compares the centres and boundaries of the locator field attributed to this token by decoded message structure, 2° × 1° as a Maidenhead square, and SO8OO's six-character receiver square. The separation is not an exact antenna-to-antenna distance or a radio-path length.

Attributed locator
JO21 · 270 decoded messages
SO8OO receiver locator
KN09VW
Locator-centre separation
1,192 km (approx.)
Last such locator decoded
2026-10-27 18:25 UTC

A decoded locator can describe portable, remote or special-event operation and is not proof of a permanent station address or transmitter identity.

Observed FT8 exchanges

S/N cells show: decoded at SO8OO / report transmitted by the counterpart. An observed exchange is not a QSL or an official logbook confirmation.

Time UTCBandON1CH S/NCounterpartCounterpart S/NMsgsCapture
10-27 18:24 80m -24 / - XX9TXN - / - 3 Partial capture
10-27 18:12 160m - / - DL1FLW -21 / - 3 Partial capture
10-27 18:10 160m - / - LX1JX -9 / - 3 ✓ Closing fragment
10-23 08:37 40m -15 / +3 ON7HO -24 / -1 2 Partial capture
10-23 06:17 40m -10 / - YU65AEC - / -7 3 Partial capture
10-23 05:51 80m -7 / - R1QF/P - / - 2 Partial capture
10-23 05:48 80m -5 / - HF37KJP - / - 2 Partial capture
10-23 05:48 80m -7 / - SP/WE9G - / - 3 Partial capture
10-22 09:40 40m -14 / - F1IQH - / +10 2 ✓ Closing fragment
10-22 08:05 40m -16 / - TO4A - / - 4 Partial capture
10-22 04:53 160m -19 / -2 OR7K +2 / +10 3 ✓ Full exchange observed
10-19 05:44 80m -12 / - SP5DFK/QRP - / -11 11 Partial capture
10-19 05:41 80m - / -11 IZ2EWN -11 / - 3 ✓ Closing fragment
10-19 04:43 80m -10 / -8 ON4CFC -5 / - 3 Partial capture
10-18 06:08 40m -9 / - C5R - / - 6 Partial capture
10-18 05:36 40m -8 / - C5R - / - 14 Partial capture
10-15 04:54 160m -20 / - KE4EB - / - 2 Partial capture
10-13 14:16 40m -15 / - ON6CQ - / -3 34 ✓ Closing fragment
10-13 04:51 160m -22 / - OM3ZAS - / - 4 Partial capture
10-13 04:48 160m -22 / -8 DF4WQ -4 / - 5 ✓ Closing observed
10-13 04:47 160m -20 / -3 OH5VT 0 / -9 4 ✓ Full exchange observed
10-12 06:28 80m - / -8 T77RN +2 / - 7 ✓ Closing fragment
10-12 05:23 160m - / -9 F5NZ -16 / - 2 ✓ Closing fragment
10-12 05:21 160m - / +8 PI4DX +1 / - 2 ✓ Closing fragment
10-12 05:18 160m - / -8 M0PNN -16 / - 2 ✓ Closing fragment
10-12 05:13 160m -24 / -13 F8CRS -12 / - 3 ✓ Closing observed
10-11 17:37 160m -24 / -11 SP1MGM 0 / - 3 ✓ Closing observed
10-11 17:12 160m - / -19 OE5RLP +10 / - 3 ✓ Closing fragment
10-11 17:11 160m - / -15 LY8O -5 / - 2 Partial capture
10-11 17:08 160m - / -18 DM9LSB -1 / - 2 ✓ Closing fragment
10-11 17:04 160m -24 / -16 DK3GI +12 / - 3 ✓ Closing observed
10-11 05:59 40m -9 / - <...> - / - 3 Partial capture
10-11 05:57 40m -6 / - LZ/TF1OL - / - 4 Partial capture
10-10 18:19 160m -20 / -7 DK6WS -6 / +8 4 ✓ Full exchange observed
10-10 11:18 40m - / - OS7P -19 / - 2 ✓ Closing fragment
10-09 18:22 80m - / -13 ON8SL -21 / - 2 Partial capture
10-09 18:19 80m -12 / - ON4RLI - / - 2 ✓ Closing fragment
10-09 17:58 80m - / -6 DB100FT +8 / - 2 Partial capture
10-09 17:57 80m -6 / - RA6FCU/P - / - 2 Partial capture
10-09 17:54 80m - / +6 ON9TT -12 / - 2 ✓ Closing fragment
10-09 15:11 40m -5 / -14 HF40BLP +8 / -10 4 Partial capture
10-09 15:07 40m -13 / - R8XF/M - / +5 3 Partial capture
10-08 14:02 40m -14 / - ON4RLI - / - 7 Partial capture
10-08 13:58 40m -15 / - ON4RLI - / - 4 Partial capture
10-08 05:28 40m -7 / - C5R - / -20 21 Partial capture
10-08 05:15 40m -6 / - C5R - / - 15 Partial capture
10-02 06:25 80m -16 / - ON6CQ - / - 7 Partial capture
10-02 05:44 80m -12 / - ON6CQ - / - 4 Partial capture
10-02 05:38 80m -12 / - ON6CQ - / - 2 Partial capture
10-02 04:48 80m -1 / - ON8LX - / -16 4 Partial capture

Recent FT8 messages decoded at SO8OO

Frequency values are decoder audio offsets in hertz, not RF frequencies.

80m
UTC    dB Audio  Message
054845 -15 1495  SP5DFK/QRP ON1CH R-12 (x3)
044415  -4 2393  DA125RH ON1CH JO21
054800 -10 2394  SP/WE9G ON1CH JO21
054830  -5 2396  <HF37KJP> ON1CH JO21
054900  -4 2394  SP/WE9G ON1CH JO21
054930  -5 2395  HF37KJP ON1CH JO21
055000  -8 2394  SP/WE9G ON1CH JO21
055130  -6 2395  R1QF/P ON1CH JO21 (x2)
182145 -21 1194  P4/WE9V ON1CH JO21
182415 -24 1194  XX9TXN ON1CH JO21 (x3)
160m
UTC    dB Audio  Message
045100 -19 1696  OM3ZAS ON1CH JO21 (x4)
045430 -24 1494  KE4EB ON1CH JO21 (x2)
045330  +2 2001  ON1CH OR7K -02
045345 -19 1196  OR7K ON1CH R+10
045400  +3 2001  ON1CH OR7K RR73
181045  -6 2696  ON1CH LX1JX RR73 (x3)
181215 -22 1196  ON1CH DL1FLW JO61 (x3)
40m
UTC    dB Audio  Message
061015  -8 1524  C5R ON1CH JO21 (x3)
080545 -16 1223  TO4A ON1CH JO21 (x4)
094000 -14  923  F1IQH ON1CH +10 (x2)
061745 -16 2224  YU65AEC ON1CH JO21 (x3)
083715 -24 1370  ON1CH ON7HO +03
083730 -15 1371  ON7HO ON1CH R-01
175015 -12 1524  IT9ACJ/QRP ON1CH JO21
20m
UTC    dB Audio  Message
072600 -13 1049  ON4BMA ON1CH JO21 (x2)
052645  -1 2247  <...> ON1CH JO21 (x2)
053030  -6  310  ON1CH 4L7T -24
063630 -16 1347  F/PA0KKV ON1CH JO21
063800 -24 1348  <TC30AUG> ON1CH JO21
080715 -14 1346  <...> ON1CH JO21
081230 -16 1616  ON1CH <...> RR73
081900  -7 1146  R0WBN/P ON1CH JO21 (x2)
10m
UTC    dB Audio  Message
065715 -24 1538  ON4BMA ON1CH JO21 (x3)
065830  -9  794  ON1CH ON4BMA +24
065845 -11 1538  ON4BMA ON1CH R+12
065900 -14  794  ON1CH ON4BMA RR73
065915 -13 1538  ON4BMA ON1CH 73

Decoder S/N history by band

Count-weighted daily averages across messages attributed to this profiled token and successfully decoded at SO8OO, limited to the rolling 90-day UTC chart window.

CW

No CW receptions recorded for this callsign in the last 30 days.

Explore CW reception at SO8OO

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