OM5BS — 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: Slovak Republic Most frequent locator attributed to this token: JN97

Receiver-side FT8 activity involving OM5BS, decoded by SO8OO in southeastern Poland. 183 FT8 messages attributed to this token as transmitter, on 40m, 20m, 10m, across 19 UTC dates in the available aggregate history. Observed between 2026-06-10 and 2026-11-02.

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 183 FT8 messages attributed to OM5BS as the transmitting token by decoded message structure across 19 UTC dates in the available aggregate history. The largest monitored-band total was 40 m (89%), followed by 20 m (10%) and 10 m (1%). Most decodes (56%) fell within the six-hour window 05:00-11:00 UTC. Most successfully decoded messages attributed to this token fell in SO8OO's strong S/N range (79%); the estimated median was -3 dB.

Overview

183
Messages attributed
19
UTC dates decoded
30
Active 15-min windows
-3 dB
Estimated median S/N

Bands

First attributed message: 2026-06-10
Last attributed message: 2026-11-02 07:42 UTC

Observed FT8 message patterns

Attributed sample
183 messages
Active dates
19 UTC dates
Estimated median S/N
-3 dB
Estimated 10th-90th percentile
-16 to +5 dB
Recurring-pattern threshold
Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 19, moderate (-15 to -9 dB) 20, strong (≥ -8 dB) 144.

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 OM5BS

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
JN97 · 81 decoded messages
SO8OO receiver locator
KN09VW
Locator-centre separation
340 km (approx.)
Last such locator decoded
2026-11-02 07:41 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 UTCBandOM5BS S/NCounterpartCounterpart S/NMsgsCapture
11-02 07:41 40m -5 / - HB9TWU -12 / -12 4 ✓ Closing observed
11-02 07:40 40m -4 / -11 OZ1KZX -9 / -15 3 ✓ Full exchange observed
11-02 07:36 40m -4 / - GM6URC - / -18 4 Partial capture
11-02 07:33 40m -4 / +5 F4BNZ -10 / -7 4 ✓ Full exchange observed
11-02 07:31 40m -7 / - LY3PW -10 / -8 5 ✓ Full exchange observed
11-02 07:30 40m -8 / - SP3HIF - / -6 2 ✓ Closing fragment
11-02 07:29 40m - / +2 YO1BRANCUSI +5 / - 3 ✓ Closing fragment
11-02 07:25 40m -13 / - DH2NJS -12 / -10 10 Partial capture
11-02 07:23 40m 0 / -3 IW3IEH -8 / -1 4 ✓ Full exchange observed
11-02 07:19 40m +2 / -3 DK8HC -17 / -15 6 Partial capture
11-02 07:17 40m +1 / +1 LZ1DPP -13 / -19 5 ✓ Full exchange observed
11-02 07:13 40m -1 / - UA4FKT -12 / -19 3 Partial capture
11-02 07:12 40m -5 / - RA6FCU/P - / +1 3 Partial capture
11-02 07:10 40m -8 / - HB9ELE +7 / - 4 ✓ Closing observed
10-31 02:44 40m - / - TC2TR -9 / - 4 ✓ Closing fragment
10-31 02:40 40m - / - UA4FKT +6 / - 3 Partial capture
10-26 22:41 40m - / -10 W6NWS -18 / - 2 ✓ Closing fragment
10-26 22:38 40m - / -9 WA1T -12 / - 2 ✓ Closing fragment
10-26 22:25 40m - / -1 GU7DAI +9 / - 3 ✓ Closing fragment
10-26 22:23 40m - / -9 JR6EZE -9 / - 2 ✓ Closing fragment
10-26 22:14 40m - / -1 K1CA -13 / - 2 ✓ Closing fragment
10-16 22:27 40m -2 / -3 TA3GO -7 / +4 5 ✓ Full exchange observed
10-06 14:59 40m -1 / - UX7QV - / -7 3 ✓ Closing fragment
10-06 14:59 40m -4 / +4 EV1R +9 / -17 6 ✓ Full exchange observed
10-06 14:57 40m +1 / - DB2OE +7 / -14 5 ✓ Full exchange observed
10-06 14:53 40m -1 / -3 OZ1KEF -8 / -13 4 ✓ Full exchange observed
10-06 14:51 40m -2 / - IN3IBW +1 / -7 3 Partial capture
10-06 14:50 40m -3 / -9 OK1JRD -10 / -12 4 ✓ Full exchange observed
10-06 14:48 40m -5 / -1 OZ1KEF -8 / - 2 Partial capture
10-06 14:46 40m - / - UT3RO -8 / - 2 Partial capture
10-06 14:46 40m +1 / - ZL1RPC/P - / - 3 Partial capture
10-06 14:44 40m -3 / - UZ5DM - / -4 3 ✓ Closing fragment
10-06 14:41 40m -7 / - ZL1RPC/P - / - 4 Partial capture
10-03 11:06 40m -6 / +6 DL1NB -16 / - 4 Partial capture
10-03 01:39 40m - / +8 F4DZF/P -5 / - 2 ✓ Closing fragment
10-03 01:37 40m - / -13 NC3S -6 / - 2 Partial capture
10-03 01:34 40m - / -13 N2LQH -12 / - 2 ✓ Closing fragment
10-03 01:21 40m - / -3 V47YA -6 / - 2 ✓ Closing fragment
10-03 01:20 40m - / - N4FIG -22 / - 3 Partial capture
10-03 01:17 40m - / +9 W1RQ +2 / - 4 Partial capture
10-03 01:15 40m - / +2 F5OYA/P -10 / - 5 Partial capture
09-20 05:44 40m +5 / - SN100PKP - / - 2 Partial capture
09-20 05:40 40m +4 / - SN40KZE - / -13 2 Partial capture
09-20 05:40 40m +8 / +2 DF1MP -14 / - 2 Partial capture
09-20 05:39 40m - / - SQ2BXI +7 / - 4 Partial capture
09-20 05:36 40m +8 / - YO3FVR/P - / -5 4 Partial capture
09-15 07:45 40m -3 / +2 DL3DQL/P +1 / -12 9 ✓ Full exchange observed
09-15 07:43 40m - / +2 SN40KZE +11 / - 2 Partial capture
09-15 07:42 40m +1 / - F6HIQ/P - / -4 3 Partial capture
09-15 07:41 40m +5 / 0 S55OO 0 / -5 5 ✓ Full exchange observed

Recent FT8 messages decoded at SO8OO

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

40m
UTC    dB Audio  Message
073400  -5 1809  F4BNZ OM5BS R-07
073415  -8 1883  OM5BS F4BNZ RR73
073430  -3 1809  F4BNZ OM5BS 73
073500  -4 1809  YL2JZ OM5BS JN97
073615  -3 1809  GM6URC OM5BS JN97 (x4)
074030  -9 2668  OM5BS OZ1KZX -11
074045  -4 1809  OZ1KZX OM5BS R-15 (x2)
074145  -4 1809  HB9TWU OM5BS JN97 (x2)
074230 -12 1612  OM5BS HB9TWU RR73
074245  -7 1809  HB9TWU OM5BS 73
10m
UTC    dB Audio  Message
100045 -16 1035  OM5BS YO4GIY -18 (x2)
083200 -12 2353  OM5BS <...> +23
144315 -18 2020  OM5BS TA2R R-02
140200 -20 1355  OM5BS RR73; 4U1A <...> +00
140830 -21 1164  OM5BS S9R -04
20m
UTC    dB Audio  Message
024215 -15 1381  OM5BS UT0RM +00 (x2)
190530 -12 2103  OM5BS AO25FDM -12
045100 -21 1381  OM5BS 5B4ARQ -04 (x2)
052645 -15 1271  OM5BS EA7JBN RR73 (x2)
053000  -3 1134  OM5BS SV8JVM +07 (x2)
053130 -18  984  OM5BS UB3DQR KO85
053330  +2 1104  OM5BS TA7AO -13
232100 -17 2208  OM5BS IU5AWQ +05 (x2)
232845 -19 1842  PY8WW OM5BS JN97
233045 -22 1844  TA3HEB OM5BS R-06

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

FT8DB and SO8OO WebSDR are a hobby project maintained solo. ☕ Buy me a coffee