OH3MB — reception at SO8OO
Signals decoded by SO8OO in southeastern Poland. FT8 and CW have separate histories; all times are UTC.
FT8 activity
Receiver-side FT8 activity involving OH3MB, decoded by SO8OO in southeastern Poland. 8,260 FT8 messages attributed to this token as transmitter, on 80m, 60m, 40m, 20m, across 97 UTC dates in the available aggregate history. Observed between 2026-06-06 and 2026-11-05.
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 8,260 FT8 messages attributed to OH3MB as the transmitting token by decoded message structure across 97 UTC dates in the available aggregate history. The largest monitored-band total was 40 m (64%), followed by 60 m (18%) and 80 m (11%). Most decodes (65%) fell within the six-hour window 13:00-19:00 UTC. Received S/N was mixed across SO8OO's weak, moderate and strong ranges; the estimated median was -7 dB.
Overview
Bands
Last attributed message: 2026-11-05 07:26 UTC
Observed FT8 message patterns
- Attributed sample
- 8,260 messages
- Active dates
- 97 UTC dates
- Estimated median S/N
- -7 dB
- Estimated 10th-90th percentile
- -16 to +4 dB
- Recurring-pattern threshold
- Met
SO8OO display ranges among successful decodes: weak (≤ -16 dB) 1,013, moderate (-15 to -9 dB) 2,368, strong (≥ -8 dB) 4,879.
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.
Frequent counterpart tokens observed at SO8OO
Tokens most often paired with OH3MB in decoded directed-looking exchanges:
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 OH3MB
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
- KP20 · 4,221 decoded messages
- SO8OO receiver locator
- KN09VW
- Locator-centre separation
- 1,192 km (approx.)
- Last such locator decoded
- 2026-11-05 07:26 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 UTC | Band | OH3MB S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 11-05 07:21 | 40m | 0 / -4 | DF1KBN | -14 / +7 | 6 | ✓ Full exchange observed |
| 11-05 06:59 | 40m | -9 / +6 | RN1TV | -1 / -7 | 4 | ✓ Full exchange observed |
| 11-05 06:56 | 40m | -4 / -2 | SP2GK | -15 / +6 | 5 | ✓ Full exchange observed |
| 11-05 06:54 | 40m | +4 / - | CU2DX | - / -8 | 4 | ✓ Closing fragment |
| 11-05 06:49 | 40m | -10 / - | CT7AXN | - / -4 | 3 | Partial capture |
| 11-05 06:47 | 40m | -9 / - | UA9XL/P | - / - | 2 | Partial capture |
| 11-04 19:10 | 60m | -12 / +1 | OE6GBG | -4 / +10 | 6 | ✓ Full exchange observed |
| 11-04 19:07 | 60m | -13 / -10 | DL7FE | -1 / -1 | 5 | ✓ Full exchange observed |
| 11-04 19:05 | 60m | -12 / - | SP9SIL | - / +5 | 2 | ✓ Closing fragment |
| 11-04 19:02 | 60m | -16 / - | EA5JXP | - / - | 4 | Partial capture |
| 11-04 19:00 | 60m | -22 / - | Z30A | - / - | 2 | Partial capture |
| 11-04 18:57 | 60m | -12 / +5 | PA3RO | -10 / +1 | 7 | ✓ Full exchange observed |
| 11-04 18:53 | 60m | -13 / +6 | OZ1LXL | -2 / +1 | 5 | ✓ Full exchange observed |
| 11-04 18:50 | 60m | -10 / +3 | DK8ZZ | +2 / - | 4 | ✓ Full exchange observed |
| 11-04 18:49 | 60m | -13 / - | OH7MFO | - / - | 2 | Partial capture |
| 11-04 18:43 | 60m | -6 / -4 | OZ1ITS | -7 / -10 | 6 | ✓ Full exchange observed |
| 11-04 18:14 | 60m | -6 / - | CT1DIZ | - / +4 | 2 | ✓ Closing fragment |
| 11-04 18:10 | 60m | -4 / - | Z30A | - / - | 2 | Partial capture |
| 11-04 18:09 | 60m | -11 / - | UR5NNC | - / - | 2 | Partial capture |
| 11-04 18:06 | 60m | 0 / -6 | DF0WE | +1 / +7 | 5 | ✓ Full exchange observed |
| 11-04 18:04 | 60m | -4 / - | ES6DO | - / - | 3 | Partial capture |
| 11-04 17:58 | 60m | -9 / -5 | G8KSH | -11 / - | 4 | Partial capture |
| 11-04 17:56 | 60m | -10 / -2 | EU3A | +7 / - | 7 | ✓ Full exchange observed |
| 11-04 17:53 | 60m | -12 / +4 | LB8ZH | -5 / -12 | 5 | ✓ Full exchange observed |
| 11-04 17:53 | 60m | -9 / - | LA1AAA | - / +8 | 3 | ✓ Closing fragment |
| 11-04 17:51 | 60m | -9 / -11 | M0BEW | -8 / -3 | 5 | ✓ Full exchange observed |
| 11-04 16:52 | 60m | -6 / -12 | SV2DCD | -4 / -16 | 5 | ✓ Full exchange observed |
| 11-04 16:45 | 60m | -11 / +9 | DL3TC | -2 / - | 7 | ✓ Full exchange observed |
| 11-04 16:43 | 60m | -10 / - | F5ICC | - / - | 2 | Partial capture |
| 11-04 16:42 | 60m | -10 / - | OM3WFH | - / - | 2 | Partial capture |
| 11-04 16:40 | 60m | -8 / +1 | DJ7BU | -7 / +9 | 4 | ✓ Full exchange observed |
| 11-04 16:38 | 60m | -8 / - | DH3KR | - / - | 2 | Partial capture |
| 11-04 16:37 | 60m | -12 / +3 | OH1KH | -20 / -10 | 4 | ✓ Full exchange observed |
| 11-04 16:34 | 60m | -15 / - | IW3SGT | - / -13 | 4 | ✓ Closing fragment |
| 11-04 16:31 | 60m | -17 / -8 | G8IHT | -8 / +5 | 7 | ✓ Full exchange observed |
| 11-04 16:28 | 60m | -6 / +5 | DM5KW | 0 / - | 4 | ✓ Full exchange observed |
| 11-04 16:25 | 60m | -11 / -2 | F6DJL | -18 / +5 | 6 | ✓ Full exchange observed |
| 11-04 16:22 | 60m | -11 / - | GE7RTI | - / +6 | 3 | ✓ Closing fragment |
| 11-04 16:21 | 60m | -8 / - | S56P | 0 / +9 | 4 | ✓ Full exchange observed |
| 11-04 16:19 | 60m | -8 / +2 | LZ911TD | -12 / - | 2 | Partial capture |
| 11-02 18:09 | 60m | -13 / - | HA5CPN | - / -7 | 2 | ✓ Closing fragment |
| 11-02 18:05 | 60m | -12 / -19 | G0AMO | -16 / -20 | 5 | ✓ Full exchange observed |
| 11-02 18:02 | 60m | -9 / -2 | HB9EUP | 0 / +6 | 5 | ✓ Full exchange observed |
| 11-02 18:01 | 60m | -9 / - | G3TFL | - / -8 | 4 | ✓ Closing fragment |
| 11-02 18:00 | 60m | -12 / - | 3Z6AEF | - / +3 | 2 | ✓ Closing fragment |
| 11-02 17:58 | 60m | -8 / -15 | OE2GEN | +8 / - | 5 | ✓ Full exchange observed |
| 11-02 17:55 | 60m | -8 / - | HB9EUP | - / - | 2 | Partial capture |
| 11-02 17:53 | 60m | -10 / - | SP9FBN | - / -2 | 3 | ✓ Closing fragment |
| 11-02 17:50 | 60m | -21 / -12 | LZ911TD | -7 / - | 4 | Partial capture |
| 11-02 17:48 | 60m | -12 / -3 | DL2ROA | -8 / +6 | 4 | ✓ Full exchange observed |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 065630 -17 960 OH3MB SP2GK -02 065645 +1 1105 SP2GK OH3MB R+06 065700 -13 960 OH3MB SP2GK RR73 065715 -5 1105 SP2GK OH3MB 73 065945 -10 1390 RN1TV OH3MB KP20 070000 -1 639 OH3MB RN1TV +06 070015 -8 1390 RN1TV OH3MB R-07 (x2) 072130 -1 1389 DF1KBN OH3MB KP20 (x2) 072245 -14 1558 OH3MB DF1KBN -04 072300 -3 1389 DF1KBN OH3MB R+07 072315 -14 1558 OH3MB DF1KBN RR73 072330 -2 1389 DF1KBN OH3MB 73 072630 -7 1389 HB9TWU OH3MB KP20
UTC dB Audio Message 190315 -17 1862 EA5JXP OH3MB KP20 (x2) 190530 -9 1845 SP9SIL OH3MB R+05 (x2) 190730 -14 1845 DL7FE OH3MB KP20 (x2) 190815 -1 1156 OH3MB DL7FE -10 190830 -11 1844 DL7FE OH3MB R-01 (x2) 191000 -8 1845 OE6GBG OH3MB KP20 (x2) 191045 -3 2425 OH3MB OE6GBG +01 191100 -12 1845 OE6GBG OH3MB R+10 191115 -6 2425 OH3MB OE6GBG RR73 191130 -14 1845 OE6GBG OH3MB 73
UTC dB Audio Message 184145 +5 1507 RG6OR OH3MB +03 184300 +9 1204 US7UK OH3MB KP20 (x2) 184345 +0 1203 OH3MB US7UK RR73 184400 +9 1203 US7UK OH3MB 73 184500 +10 457 JF8QNF OH3MB KP20 (x2) 184545 -14 457 OH3MB JF8QNF -18 (x2) 061300 +15 710 OH3MB SP5MXZ -02 (x2) 061430 +4 2558 OH3MB DL6NDN -09 (x2) 061715 +4 1866 OH3MB SP9AWP -19 (x2)
UTC dB Audio Message 104600 -17 1046 OH3MB DN9DA JN48 (x2)
UTC dB Audio Message 151100 -9 1427 OH3MB EA3JFE -02 (x3) 152415 -15 376 M8CMG OH3MB R+07 (x2) 163630 -15 1725 <...> OH3MB KP20 (x9) 173330 +1 1119 HS0QEO OH3MB KP20
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.
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