MM3JFM — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving MM3JFM, decoded by SO8OO in southeastern Poland. 159 FT8 messages attributed to this token as transmitter, on 80m, 40m, 20m, across 19 UTC dates in the available aggregate history. Observed between 2026-06-06 and 2026-09-19.
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 159 FT8 messages attributed to MM3JFM as the transmitting token by decoded message structure across 19 UTC dates in the available aggregate history. The largest monitored-band total was 80 m (95%), followed by 40 m (3%) and 20 m (3%). Most decodes (86%) fell within the six-hour window 00:00-06:00 UTC. Received S/N was mixed across SO8OO's weak, moderate and strong ranges; the estimated median was -11 dB.
Overview
Bands
Last attributed message: 2026-09-19 00:02 UTC
Observed FT8 message patterns
- Attributed sample
- 159 messages
- Active dates
- 19 UTC dates
- Estimated median S/N
- -11 dB
- Estimated 10th-90th percentile
- -20 to -2 dB
- Recurring-pattern threshold
- Met
SO8OO display ranges among successful decodes: weak (≤ -16 dB) 46, moderate (-15 to -9 dB) 53, strong (≥ -8 dB) 60.
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 MM3JFM 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 MM3JFM
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
- IO87 · 61 decoded messages
- SO8OO receiver locator
- KN09VW
- Locator-centre separation
- 1,821 km (approx.)
- Last such locator decoded
- 2026-09-19 00:01 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 | MM3JFM S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 09-19 00:01 | 80m | -19 / -24 | RN2F | +8 / -8 | 5 | ✓ Full exchange observed |
| 09-18 05:07 | 80m | -23 / -10 | DO2NM | -5 / - | 3 | ✓ Closing observed |
| 09-18 05:05 | 80m | -19 / - | F4HUN | - / 0 | 2 | ✓ Closing fragment |
| 09-18 05:03 | 80m | -18 / -6 | DO1FZL | -4 / -1 | 5 | ✓ Full exchange observed |
| 09-18 05:00 | 80m | - / +4 | 2W0YOX | -4 / - | 2 | ✓ Closing fragment |
| 09-17 17:15 | 80m | - / -4 | 5P1KZX | -2 / - | 2 | ✓ Closing fragment |
| 09-17 17:13 | 80m | - / -6 | ON7USB | +6 / - | 2 | ✓ Closing fragment |
| 09-17 17:12 | 80m | - / -16 | OZ7CL | -4 / - | 2 | ✓ Closing fragment |
| 09-16 08:44 | 40m | - / -24 | PG4T | -20 / - | 2 | Partial capture |
| 09-16 03:10 | 80m | -13 / - | OH2XX | - / +3 | 2 | Partial capture |
| 09-16 03:08 | 80m | -18 / - | SN100PKP | - / 0 | 2 | Partial capture |
| 09-16 03:04 | 80m | -17 / - | F4ILK | - / -9 | 3 | ✓ Closing fragment |
| 09-16 03:02 | 80m | 0 / -3 | PA4PA | +8 / - | 4 | ✓ Closing observed |
| 09-16 02:59 | 80m | -10 / - | DO1ID | +12 / - | 2 | ✓ Closing observed |
| 09-16 02:57 | 80m | - / -13 | OK1HEH | -4 / - | 2 | ✓ Closing fragment |
| 09-15 08:47 | 40m | - / -17 | DL7ACA | -9 / - | 2 | ✓ Closing fragment |
| 09-13 02:51 | 80m | -14 / -16 | YL2EA | +5 / - | 4 | ✓ Closing observed |
| 09-13 02:49 | 80m | -12 / -17 | II0CDS | -5 / -8 | 5 | ✓ Full exchange observed |
| 09-13 02:46 | 80m | - / +4 | OH6FSO | -13 / - | 2 | ✓ Closing fragment |
| 09-13 02:46 | 80m | -18 / -5 | OH2BVT | -4 / -9 | 3 | ✓ Full exchange observed |
| 09-13 02:40 | 80m | - / -9 | DK0RPO | -6 / - | 2 | ✓ Closing fragment |
| 09-12 17:06 | 40m | - / - | RL3K | -4 / - | 3 | Partial capture |
| 09-11 10:56 | 40m | - / -19 | F1UNR | -19 / - | 5 | Partial capture |
| 09-11 01:44 | 80m | -11 / - | EA5W | - / -8 | 2 | ✓ Closing fragment |
| 09-11 01:41 | 80m | -5 / - | M7DFM | -12 / -6 | 5 | ✓ Closing observed |
| 09-11 01:39 | 80m | - / -4 | M7GFJ | -12 / - | 2 | ✓ Closing fragment |
| 09-11 01:36 | 80m | -18 / -5 | G0ORC | -3 / +3 | 4 | ✓ Full exchange observed |
| 09-11 01:33 | 80m | -12 / -13 | Z62NS | +1 / -5 | 5 | ✓ Full exchange observed |
| 09-11 01:31 | 80m | -12 / -16 | EC5M | -18 / -3 | 5 | ✓ Full exchange observed |
| 09-11 01:27 | 80m | -9 / -11 | 9A9N | -1 / -6 | 5 | ✓ Full exchange observed |
| 09-11 01:23 | 80m | -18 / -10 | UR4SXA | +21 / +6 | 5 | ✓ Full exchange observed |
| 09-09 04:32 | 80m | - / -17 | ON4MAP | -16 / - | 3 | ✓ Closing fragment |
| 09-09 04:31 | 80m | - / - | HA5CPN | +2 / - | 2 | Partial capture |
| 09-09 04:29 | 80m | -15 / -8 | DA6OOM | -19 / - | 4 | ✓ Closing observed |
| 09-09 04:28 | 80m | - / -22 | ON1JP | -24 / - | 2 | ✓ Closing fragment |
| 09-09 04:26 | 80m | - / -7 | SP6FME | +3 / - | 3 | ✓ Closing fragment |
| 09-09 04:21 | 80m | -8 / -1 | SP100PKP | +19 / +7 | 3 | Partial capture |
| 09-08 00:42 | 80m | -20 / -16 | SM7TZK | +2 / +6 | 4 | ✓ Full exchange observed |
| 09-08 00:40 | 80m | - / -18 | LZ7VV | +12 / - | 3 | ✓ Closing fragment |
| 09-08 00:38 | 80m | -23 / -19 | RC6OU | +11 / +1 | 4 | ✓ Full exchange observed |
| 09-08 00:36 | 80m | -13 / +1 | DL3RL | +14 / - | 5 | ✓ Full exchange observed |
| 09-08 00:34 | 80m | -12 / -4 | DL5DQZ | -1 / -3 | 5 | ✓ Full exchange observed |
| 09-08 00:33 | 80m | -12 / -4 | IK0CHU | -2 / +2 | 4 | ✓ Full exchange observed |
| 09-08 00:31 | 80m | - / -16 | SP7OK | +1 / - | 3 | ✓ Closing fragment |
| 09-08 00:30 | 80m | -10 / -8 | 7X5CY | -8 / +4 | 3 | ✓ Full exchange observed |
| 09-08 00:23 | 80m | -2 / -5 | DL3HN | -6 / -6 | 4 | ✓ Full exchange observed |
| 09-08 00:18 | 80m | - / -12 | OV6ZM | -4 / - | 2 | ✓ Closing fragment |
| 09-07 01:54 | 40m | - / -12 | CR7BRV | -2 / - | 2 | ✓ Closing fragment |
| 08-31 08:59 | 40m | - / -16 | DF8RU | 0 / - | 6 | Partial capture |
| 08-28 15:44 | 40m | - / -19 | DL1HDL | 0 / - | 3 | ✓ Closing fragment |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 050345 -17 1091 DO1FZL MM3JFM IO87 050400 -3 1091 MM3JFM DO1FZL -06 050415 -15 1091 DO1FZL MM3JFM R-01 050430 -5 1091 MM3JFM DO1FZL RR73 050445 -22 1091 DO1FZL MM3JFM 73 050545 -20 2213 F4HUN MM3JFM R+00 (x2) 050700 -3 817 MM3JFM DO2NM -10 (x2) 050745 -23 818 DO2NM MM3JFM 73 000100 -14 1993 RN2F MM3JFM IO87 000115 +7 1994 MM3JFM RN2F -24 000130 -19 1993 RN2F MM3JFM R-08 000145 +8 1994 MM3JFM RN2F RR73 000200 -24 1993 RN2F MM3JFM 73
UTC dB Audio Message 012200 -23 1346 PV8AJ MM3JFM IO87 105615 -19 2229 MM3JFM F1UNR -19 (x5) 170615 -5 1267 MM3JFM RL3K KO91 (x3) 084600 +8 2513 MM3JFM SN40KZE +02 084730 -9 2277 MM3JFM DL7ACA R-17 (x2) 083800 -10 710 MM3JFM OE9NET RR73 084415 -19 1950 MM3JFM PG4T -24 (x2)
UTC dB Audio Message 084930 -13 957 MM3JFM PD1HPB JO22 085115 -9 957 MM3JFM DB8BT JO42 085130 -11 958 MM3JFM PD3LKN JO22 085215 -17 957 MM3JFM DB8BT R-01 085230 -15 956 MM3JFM PD1HPB JO22 085245 -15 957 MM3JFM DB8BT 73 085400 -16 956 MM3JFM PD1HPB JO22 103700 -19 1253 EG7SWC MM3JFM IO87 084300 -24 1663 OZ1ESA MM3JFM 73 151930 -22 1355 MM3JFM EG1UME +00 133430 -19 1126 DH2RL MM3JFM IO87 082300 -12 409 MM3JFM GB1TMH +00 164900 -1 422 MM3JFM F5SZB -07 (x2) 110445 -2 1960 MM3JFM F4HTA RR73
UTC dB Audio Message 155830 -16 1881 MM3JFM F4FSY -15 (x2) 160215 +3 2842 MM3JFM IK2LTR -08 (x2) 120800 -21 2033 MM3JFM DM2AUO RR73 143745 -10 2407 MM3JFM DN9OPA JN38 (x4) 141445 -7 1781 MM3JFM EA8UP -22
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.
FT8DB and SO8OO WebSDR are a hobby project maintained solo. ☕ Buy me a coffee