DG4MCB — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving DG4MCB, decoded by SO8OO in southeastern Poland. 2,379 FT8 messages attributed to this token as transmitter, on 160m, 80m, 60m, 40m, 20m, 10m, across 70 UTC dates in the available aggregate history. Observed between 2026-06-06 and 2026-10-07.
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 2,379 FT8 messages attributed to DG4MCB as the transmitting token by decoded message structure across 70 UTC dates in the available aggregate history. The largest monitored-band total was 80 m (41%), followed by 20 m (25%) and 40 m (24%). Most decodes (56%) fell within the six-hour window 18:00-00:00 UTC. Received S/N was mixed across SO8OO's weak, moderate and strong ranges; the estimated median was -11.3 dB.
Overview
Bands
Last attributed message: 2026-10-07 07:51 UTC
Observed FT8 message patterns
- Attributed sample
- 2,379 messages
- Active dates
- 70 UTC dates
- Estimated median S/N
- -11.3 dB
- Estimated 10th-90th percentile
- -20 to -3 dB
- Recurring-pattern threshold
- Met
SO8OO display ranges among successful decodes: weak (≤ -16 dB) 640, moderate (-15 to -9 dB) 943, strong (≥ -8 dB) 796.
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 DG4MCB 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 DG4MCB
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
- JN58 · 1,669 decoded messages
- SO8OO receiver locator
- KN09VW
- Locator-centre separation
- 799 km (approx.)
- Last such locator decoded
- 2026-10-07 07:51 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 | DG4MCB S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 10-07 07:49 | 40m | -18 / - | AN5CV | - / - | 4 | Partial capture |
| 10-07 06:46 | 40m | -15 / -9 | AO5CV | -15 / - | 4 | ✓ Closing observed |
| 10-06 19:40 | 80m | -8 / -12 | AO5CV | +6 / 0 | 7 | ✓ Full exchange observed |
| 10-06 06:30 | 80m | -19 / - | AM5CV | - / -3 | 9 | ✓ Closing fragment |
| 10-05 21:14 | 80m | -2 / -17 | IK8TWV | -10 / -12 | 6 | ✓ Full exchange observed |
| 10-05 20:37 | 160m | -23 / -18 | F8IPH | -11 / -16 | 7 | ✓ Full exchange observed |
| 10-05 20:33 | 160m | -8 / - | IZ8DFO | - / -12 | 4 | ✓ Closing fragment |
| 10-05 20:26 | 160m | -14 / - | IZ8DFO | - / - | 8 | Partial capture |
| 10-05 19:42 | 80m | -10 / - | AO5CV | +4 / - | 5 | ✓ Closing observed |
| 10-05 18:52 | 80m | -10 / - | IR8PR | -12 / - | 6 | ✓ Closing observed |
| 10-05 18:12 | 80m | -9 / -12 | IZ8DFO | -3 / -5 | 4 | Partial capture |
| 10-05 18:10 | 80m | -6 / - | SP6FME | +15 / 0 | 4 | Partial capture |
| 10-05 18:06 | 80m | -5 / - | AM5CV | - / -9 | 6 | ✓ Closing fragment |
| 10-05 06:18 | 40m | - / - | LZ2VQ | -14 / - | 3 | Partial capture |
| 10-05 06:15 | 40m | -10 / -4 | AO5CV | -2 / -7 | 6 | ✓ Full exchange observed |
| 10-05 06:14 | 40m | -9 / - | IU8CEU | - / -6 | 3 | ✓ Closing fragment |
| 10-05 06:12 | 40m | -20 / - | AM5CV | - / -5 | 2 | Partial capture |
| 10-05 06:07 | 80m | -6 / -16 | AN5CV | -10 / 0 | 3 | Partial capture |
| 10-05 05:56 | 40m | -13 / -18 | IR8PR | -17 / -2 | 9 | Partial capture |
| 10-04 21:00 | 80m | -7 / -14 | OK1WCF | +11 / +2 | 4 | ✓ Full exchange observed |
| 10-04 20:58 | 80m | +2 / -4 | IK8TWV | -8 / -9 | 7 | ✓ Full exchange observed |
| 10-04 19:41 | 80m | -6 / -20 | IQ8DO | -17 / -9 | 10 | Partial capture |
| 10-04 18:19 | 80m | -10 / -8 | IZ8KVW | -8 / -5 | 5 | ✓ Full exchange observed |
| 10-04 18:14 | 80m | -13 / - | IZ8XQC | 0 / -5 | 4 | ✓ Closing observed |
| 10-04 06:34 | 40m | -6 / - | IZ8DFO | - / - | 3 | Partial capture |
| 10-04 06:11 | 40m | -13 / +9 | PI4DX | 0 / +8 | 4 | ✓ Full exchange observed |
| 10-04 06:07 | 40m | -12 / - | IR8PR | -20 / -6 | 8 | ✓ Closing observed |
| 10-04 06:02 | 40m | 0 / - | IR8PR | - / - | 4 | Partial capture |
| 10-04 05:52 | 40m | -9 / - | IR8PR | - / - | 4 | Partial capture |
| 10-04 05:49 | 40m | -9 / - | IQ8DO | - / -14 | 5 | ✓ Closing fragment |
| 10-04 05:45 | 40m | -8 / - | IR8PR | - / - | 3 | Partial capture |
| 10-04 05:44 | 40m | -13 / - | IQ8DO | - / - | 2 | Partial capture |
| 10-04 05:31 | 40m | -12 / - | IR8PR | - / - | 2 | Partial capture |
| 10-03 19:53 | 80m | 0 / - | RG2T | - / - | 3 | Partial capture |
| 10-03 19:11 | 40m | 0 / - | SP5MIG | - / -15 | 2 | ✓ Closing fragment |
| 10-03 19:09 | 40m | -9 / - | IR8PR | - / -4 | 3 | Partial capture |
| 10-03 17:36 | 40m | -12 / - | IK8TWV | - / - | 3 | Partial capture |
| 10-03 17:29 | 80m | -4 / -6 | IZ8DFO | +2 / -7 | 4 | ✓ Full exchange observed |
| 10-03 17:15 | 80m | -21 / - | IZ8DFO | - / - | 2 | Partial capture |
| 10-03 17:00 | 40m | -12 / - | SP5DFK/QRP | - / +1 | 2 | Partial capture |
| 10-03 13:50 | 40m | -18 / - | IQ8DO | - / - | 2 | Partial capture |
| 10-03 08:35 | 40m | -18 / - | IU8WPX | - / - | 2 | Partial capture |
| 10-03 07:37 | 40m | -14 / - | IU8CEU | - / -10 | 3 | ✓ Closing fragment |
| 10-02 20:12 | 80m | - / - | SP3TD | -11 / - | 3 | Partial capture |
| 10-02 20:09 | 80m | - / -6 | DK3WL | -7 / - | 5 | ✓ Closing fragment |
| 10-02 20:05 | 80m | 0 / -3 | DO9MKN | +2 / 0 | 4 | ✓ Full exchange observed |
| 10-02 19:59 | 80m | -9 / - | DO7MEW | - / -11 | 2 | ✓ Closing fragment |
| 10-02 19:57 | 80m | -10 / -12 | DA6JN | +5 / -16 | 5 | ✓ Full exchange observed |
| 10-02 19:56 | 80m | -6 / -17 | DL2VN | -3 / -11 | 5 | ✓ Full exchange observed |
| 10-02 19:53 | 80m | -2 / -22 | UC6D | +2 / -6 | 5 | ✓ Full exchange observed |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 061745 -9 2214 AO5CV DG4MCB R-07 061800 -3 2592 DG4MCB AO5CV RR73 061815 -8 2214 AO5CV DG4MCB 73 061830 -13 2213 DG4MCB LZ2VQ KN23 (x3) 063645 -12 720 AO5CV DG4MCB JN58 064600 -15 1556 DG4MCB AO5CV -09 (x3) 064715 -15 2471 AO5CV DG4MCB 73 074900 -19 2184 AN5CV DG4MCB JN58 (x4)
UTC dB Audio Message 063115 -19 1650 AM5CV DG4MCB JN58 (x8) 194015 -8 1344 AO5CV DG4MCB JN58 (x3) 194130 +6 512 DG4MCB AO5CV -12 194145 -6 1344 AO5CV DG4MCB R+00 194200 +5 512 DG4MCB AO5CV RR73 194215 -8 1344 AO5CV DG4MCB 73
UTC dB Audio Message 202845 -9 2515 IZ8DFO DG4MCB JN58 (x8) 203730 -24 2128 F8IPH DG4MCB JN58 203745 -10 1813 DG4MCB F8IPH -18 203800 -23 2128 F8IPH DG4MCB JN58 203815 -11 1813 DG4MCB F8IPH -17 203830 -22 2128 F8IPH DG4MCB R-16 203845 -12 1813 DG4MCB F8IPH RR73 203900 -24 2128 F8IPH DG4MCB 73
UTC dB Audio Message 230815 -14 1162 LZ2VQ DG4MCB +02 230830 +5 1162 DG4MCB LZ2VQ R-19 230845 -13 1162 LZ2VQ DG4MCB RR73 230900 +1 1162 DG4MCB LZ2VQ 73 174445 -17 1265 SN40KZE DG4MCB JN58 (x4) 174730 -22 1340 DG4MCB DL0UEP JO30 174800 -20 1339 DG4MCB DL1KSW JO30 174900 -19 1339 DG4MCB DL0UEP R-03 (x4) 084615 -15 2477 <...> DG4MCB JN58
UTC dB Audio Message 113345 -4 691 <...> DG4MCB JN58 115800 -5 2102 DG4MCB II7MGBT -08 120045 -11 1904 <...> DG4MCB JN58 (x13)
UTC dB Audio Message 160300 -11 1902 <...> DG4MCB JN58 (x5) 160900 -8 1902 <II7MGLE> DG4MCB JN58 (x10)
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.
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