DK4FH — 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 DK4FH, decoded by SO8OO in southeastern Poland. 2,533 FT8 messages attributed to this token as transmitter, on 80m, 40m, 20m, 10m, across 128 UTC dates in the available aggregate history. Observed between 2026-06-06 and 2026-11-06.
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 2,533 FT8 messages attributed to DK4FH as the transmitting token by decoded message structure across 128 UTC dates in the available aggregate history. The largest monitored-band total was 40 m (66%), followed by 20 m (24%) and 80 m (9%). Most decodes (70%) fell within the six-hour window 07:00-13:00 UTC. Most successfully decoded messages attributed to this token fell in SO8OO's strong S/N range (72%); the estimated median was -5 dB.
Overview
Bands
Last attributed message: 2026-11-06 08:40 UTC
Observed FT8 message patterns
- Attributed sample
- 2,533 messages
- Active dates
- 128 UTC dates
- Estimated median S/N
- -5 dB
- Estimated 10th-90th percentile
- -13 to +4 dB
- Recurring-pattern threshold
- Met
SO8OO display ranges among successful decodes: weak (≤ -16 dB) 101, moderate (-15 to -9 dB) 608, strong (≥ -8 dB) 1,824.
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 DK4FH 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 DK4FH
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
- JO64 · 1,100 decoded messages
- SO8OO receiver locator
- KN09VW
- Locator-centre separation
- 784 km (approx.)
- Last such locator decoded
- 2026-11-06 08:39 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 | DK4FH S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 11-06 08:38 | 40m | -9 / - | M3VNI | - / - | 3 | Partial capture |
| 11-06 08:37 | 40m | -7 / - | DB1IUA | - / +4 | 2 | Partial capture |
| 11-06 08:35 | 40m | -3 / - | HA3HZ | -2 / +6 | 5 | ✓ Full exchange observed |
| 11-05 12:52 | 40m | -8 / -14 | F1PBZ | -7 / -7 | 4 | ✓ Full exchange observed |
| 11-05 12:49 | 40m | -9 / - | DG7BBU | - / -3 | 4 | ✓ Closing fragment |
| 11-05 12:48 | 40m | -8 / - | GM4GIF | - / -7 | 2 | Partial capture |
| 11-05 08:31 | 40m | - / - | DL7KI | -17 / - | 4 | Partial capture |
| 11-05 08:31 | 40m | 0 / - | YL3ATJ | -9 / +1 | 5 | ✓ Full exchange observed |
| 11-05 08:30 | 40m | -10 / - | OH6GAZ | - / -16 | 2 | ✓ Closing fragment |
| 11-05 08:27 | 40m | -8 / - | DB2GM | - / -10 | 4 | ✓ Closing fragment |
| 11-05 08:25 | 40m | -10 / +5 | HA7UL | -14 / -5 | 5 | ✓ Full exchange observed |
| 11-05 08:25 | 40m | - / - | S51PV | -19 / - | 5 | Partial capture |
| 11-05 08:24 | 40m | -10 / - | PD4SN | - / -2 | 2 | ✓ Closing fragment |
| 11-05 08:23 | 40m | -8 / - | OZ6NC | - / -1 | 3 | ✓ Closing fragment |
| 11-04 12:49 | 10m | 0 / - | A60FD/31 | - / -11 | 2 | Partial capture |
| 11-04 12:44 | 40m | -6 / +7 | DF0TZ | -10 / +8 | 5 | ✓ Full exchange observed |
| 11-04 12:43 | 40m | -6 / - | GW6OHV | - / +2 | 2 | Partial capture |
| 11-04 12:42 | 40m | -9 / +10 | OE3RWR | -4 / +10 | 5 | ✓ Full exchange observed |
| 11-04 08:05 | 40m | - / - | PC6A | -3 / - | 5 | Partial capture |
| 11-02 13:01 | 40m | -6 / - | DL1RI/P | -6 / +9 | 6 | ✓ Full exchange observed |
| 11-02 13:00 | 40m | -4 / - | DL6EBV | -15 / -11 | 2 | Partial capture |
| 11-02 08:22 | 40m | -8 / - | SP5XTY | - / +10 | 2 | Partial capture |
| 11-02 08:20 | 40m | -8 / - | EA3ACA | - / - | 3 | Partial capture |
| 11-02 08:19 | 40m | -2 / - | G1UMV | - / -11 | 2 | ✓ Closing fragment |
| 11-02 08:17 | 40m | -7 / - | GJ0KYZ | - / -7 | 2 | ✓ Closing fragment |
| 11-02 08:15 | 40m | -6 / - | PD0PR | - / -13 | 3 | ✓ Closing fragment |
| 11-02 08:14 | 40m | -10 / - | EW8CN | - / +4 | 2 | Partial capture |
| 11-02 08:13 | 40m | -6 / - | M7SSC | - / - | 2 | Partial capture |
| 11-02 08:11 | 40m | -4 / - | DB2TE | - / -6 | 3 | ✓ Closing fragment |
| 11-02 08:09 | 40m | -5 / - | DB2SR | - / -22 | 3 | ✓ Closing fragment |
| 11-01 13:15 | 40m | -6 / -10 | RY6LAL | -13 / -10 | 5 | ✓ Full exchange observed |
| 11-01 13:14 | 40m | -8 / - | M7TBT | - / -13 | 2 | Partial capture |
| 11-01 08:18 | 40m | -10 / - | G6XWK | - / - | 2 | Partial capture |
| 11-01 08:16 | 40m | -7 / - | PE40EUDXF | - / 0 | 3 | Partial capture |
| 11-01 08:10 | 40m | -5 / - | YO1BRANCUSI | - / - | 2 | Partial capture |
| 10-30 13:14 | 40m | -3 / - | SP3UQX | - / 0 | 3 | ✓ Closing fragment |
| 10-30 13:13 | 40m | -4 / - | M7FSE | - / - | 2 | Partial capture |
| 10-30 13:12 | 40m | -8 / - | UR5RBP | - / -25 | 2 | ✓ Closing fragment |
| 10-30 08:50 | 40m | - / -4 | GI3PXT | -20 / - | 2 | Partial capture |
| 10-30 08:44 | 40m | -8 / - | GI3PXT | - / -9 | 2 | Partial capture |
| 10-30 08:43 | 40m | -6 / - | DF8MH | - / - | 2 | Partial capture |
| 10-30 08:41 | 40m | -5 / -12 | F4LTP | -14 / -2 | 7 | ✓ Full exchange observed |
| 10-30 08:40 | 40m | -6 / - | DF7IW | - / - | 3 | Partial capture |
| 10-30 08:39 | 40m | -8 / - | IU6RUJ | - / - | 2 | Partial capture |
| 10-29 13:31 | 40m | -6 / - | M9XPN | - / -18 | 4 | ✓ Closing fragment |
| 10-29 13:30 | 40m | -6 / - | M0NPT | - / -9 | 2 | ✓ Closing fragment |
| 10-29 08:45 | 40m | - / -5 | HG5OGI | -12 / - | 3 | ✓ Closing fragment |
| 10-28 13:14 | 40m | -3 / -10 | LZ2KSQ | -17 / - | 2 | Partial capture |
| 10-28 12:27 | 40m | -7 / - | SA0ELM | - / -17 | 3 | ✓ Closing fragment |
| 10-28 08:21 | 40m | -9 / - | F5PPN | - / -19 | 3 | Partial capture |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 083445 -7 983 CQ DK4FH JO64 083500 -20 1771 DK4FH RJ3DC KO95 083500 -3 366 DK4FH HA3HZ JN96 083515 -4 983 HA3HZ DK4FH +06 083530 +0 366 DK4FH HA3HZ R+12 083545 -2 983 HA3HZ DK4FH RR73 083600 -2 366 DK4FH HA3HZ 73 083615 -4 983 CQ DK4FH JO64 (x2) 083715 -5 983 DB1IUA DK4FH +04 (x2) 083815 -11 983 M3VNI DK4FH JO64 (x3) 084030 -6 983 M9YDD DK4FH -05
UTC dB Audio Message 114600 +7 2741 DK4FH F1PBZ -10 (x2) 115100 -4 682 DK4FH SV2CLJ KN10 141500 -13 1030 CQ DK4FH JO64 (x6) 124915 +2 1034 A60FD/31 DK4FH -11 (x2) 075645 -22 1439 DK4FH UN7GDB 73
UTC dB Audio Message 172300 +0 946 CQ DK4FH JO64 (x2) 172345 -10 947 DK4FH RK4UZ LO24 172400 +0 946 CQ DK4FH JO64 (x2) 172445 +3 947 DK4FH UR4LG KN89 172500 +2 946 UR4LG DK4FH -10 172515 +4 946 DK4FH UR4LG R-11 172530 +1 946 UR4LG DK4FH RR73 172545 -4 946 DK4FH UR4LG 73 172600 -2 946 CQ DK4FH JO64 (x2) 172645 +3 2289 DK4FH IQ4JO JN63 172700 -4 946 CQ DK4FH JO64 172800 -3 946 DO2SGW DK4FH JO64
UTC dB Audio Message 120015 -1 1019 HA7SJX DK4FH RR73 120045 -2 1019 NA3M DK4FH JO64 (x2) 120145 -4 1019 DK4FH G7EVY R-11 (x2) 120230 +7 1019 RV3DTN DK4FH -01 (x2) 120330 +7 1019 CQ DK4FH JO64 120400 +10 1019 M9NTS DK4FH -10 (x2) 064630 +9 1020 DK4FH TC30AGU R-09 064630 -5 737 DK4FH IW5ALZ JN53 (x4)
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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