HK3YL — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving HK3YL, decoded by SO8OO in southeastern Poland. 961 FT8 messages attributed to this token as transmitter, on 40m, 20m, across 18 UTC dates in the available aggregate history. Observed between 2026-06-22 and 2026-09-20.
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 961 FT8 messages attributed to HK3YL as the transmitting token by decoded message structure across 18 UTC dates in the available aggregate history. The largest monitored-band total was 20 m (63%), followed by 40 m (37%). Most decodes (94%) fell within the six-hour window 00:00-06:00 UTC. Most successfully decoded messages attributed to this token fell in SO8OO's weak S/N range (77%); the estimated median was -18 dB.
Overview
Bands
Last attributed message: 2026-09-20 05:37 UTC
Observed FT8 message patterns
- Attributed sample
- 961 messages
- Active dates
- 18 UTC dates
- Estimated median S/N
- -18 dB
- Estimated 10th-90th percentile
- -23 to -13 dB
- Recurring-pattern threshold
- Met
SO8OO display ranges among successful decodes: weak (≤ -16 dB) 737, moderate (-15 to -9 dB) 181, strong (≥ -8 dB) 43.
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 HK3YL 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 HK3YL
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
- FJ24 · 377 decoded messages
- SO8OO receiver locator
- KN09VW
- Locator-centre separation
- 10,108 km (approx.)
- Last such locator decoded
- 2026-09-20 05:37 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 | HK3YL S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 09-20 06:40 | 40m | - / - | DL6UM | +3 / - | 4 | Partial capture |
| 09-20 06:39 | 40m | - / - | PA4BEN | -10 / - | 2 | Partial capture |
| 09-20 06:33 | 40m | - / -9 | EI4KF | +5 / - | 2 | ✓ Closing fragment |
| 09-20 06:33 | 40m | - / - | HB9ACA | -9 / - | 5 | Partial capture |
| 09-20 06:31 | 40m | - / - | DH0BRO | -2 / - | 2 | Partial capture |
| 09-20 06:31 | 40m | - / - | PD0PMF | +1 / - | 3 | Partial capture |
| 09-20 06:23 | 40m | - / - | DH0BRO | -2 / - | 3 | Partial capture |
| 09-20 06:19 | 40m | - / -16 | I8IGS | -17 / - | 3 | ✓ Closing fragment |
| 09-20 06:15 | 40m | - / - | S59AT | +6 / - | 4 | Partial capture |
| 09-20 06:11 | 40m | - / -18 | OZ6G | +14 / - | 4 | ✓ Closing fragment |
| 09-20 06:10 | 40m | - / - | S59AT | +3 / - | 2 | Partial capture |
| 09-20 06:04 | 40m | - / -17 | DM2SP | +2 / - | 5 | ✓ Closing fragment |
| 09-20 06:03 | 40m | - / - | OH1CMV | -9 / - | 2 | Partial capture |
| 09-20 05:50 | 40m | - / -17 | SP4MPH | -6 / - | 2 | Partial capture |
| 09-20 05:48 | 40m | - / - | IK1LJO | -18 / - | 6 | Partial capture |
| 09-20 05:47 | 40m | - / -16 | DM5EE | +10 / - | 4 | ✓ Closing fragment |
| 09-20 05:46 | 40m | - / -17 | OZ0ZZ | -11 / - | 3 | Partial capture |
| 09-20 05:45 | 40m | - / -20 | OM3PC | +12 / - | 4 | ✓ Closing fragment |
| 09-20 05:45 | 40m | - / - | IK1LJO | -14 / - | 2 | Partial capture |
| 09-20 05:43 | 40m | - / -1 | OH1LEG | 0 / - | 4 | ✓ Closing fragment |
| 09-20 05:40 | 40m | - / -18 | IZ3XEF | -4 / - | 2 | ✓ Closing fragment |
| 09-20 05:40 | 40m | - / - | DD2MON | -7 / - | 2 | Partial capture |
| 09-20 05:35 | 40m | - / -10 | ON1DGN | -5 / - | 3 | ✓ Closing fragment |
| 09-20 05:35 | 40m | - / -6 | PA3CPS | +1 / - | 3 | ✓ Closing fragment |
| 09-20 05:30 | 40m | - / -15 | F5JQF | -8 / - | 15 | Partial capture |
| 09-20 05:29 | 40m | - / 0 | F4FLF | 0 / - | 2 | ✓ Closing fragment |
| 09-20 05:28 | 40m | - / -18 | YO9BZK | -4 / - | 2 | Partial capture |
| 09-20 05:17 | 40m | - / -9 | HB9EFK | +6 / - | 4 | Partial capture |
| 09-20 05:16 | 40m | - / - | SP2IHI | +6 / - | 2 | Partial capture |
| 09-20 05:14 | 40m | - / - | ON6MVR | -6 / - | 2 | Partial capture |
| 09-20 05:11 | 40m | - / - | RZ3DX | -2 / - | 2 | Partial capture |
| 09-20 05:10 | 40m | - / - | PD1GE | -3 / - | 2 | Partial capture |
| 09-20 05:08 | 40m | - / -14 | F4VTR | -4 / - | 4 | Partial capture |
| 09-20 05:07 | 40m | - / -24 | PE1NPS | 0 / - | 3 | Partial capture |
| 09-20 05:04 | 40m | - / - | G3UAX | -6 / - | 3 | Partial capture |
| 09-20 05:03 | 40m | -20 / - | XE1IHD | - / -1 | 2 | ✓ Closing fragment |
| 09-20 05:01 | 40m | - / - | RU3DNN | -12 / - | 2 | Partial capture |
| 09-20 05:01 | 40m | - / - | UR4EWA | +2 / - | 2 | Partial capture |
| 09-20 04:58 | 40m | - / - | RZ3DX | -4 / - | 8 | Partial capture |
| 09-20 04:58 | 40m | -20 / - | RN2F | +1 / -15 | 3 | Partial capture |
| 09-20 04:56 | 40m | - / - | MW7TTA | -10 / - | 2 | Partial capture |
| 09-20 04:53 | 40m | -20 / - | NE1LA | - / -18 | 2 | ✓ Closing fragment |
| 09-20 04:52 | 40m | -21 / -7 | LY2PPS | +5 / -12 | 10 | ✓ Full exchange observed |
| 09-20 04:49 | 40m | - / - | LA9TY | +2 / - | 2 | Partial capture |
| 09-20 04:46 | 40m | - / - | F4PCM | -7 / - | 3 | Partial capture |
| 09-20 04:45 | 40m | - / -11 | DK1ML | -6 / - | 2 | Partial capture |
| 09-20 04:44 | 40m | - / - | EU2ABM | +5 / - | 3 | Partial capture |
| 09-20 04:40 | 40m | - / -2 | DM4ZPJ | -6 / - | 3 | Partial capture |
| 09-20 04:40 | 40m | - / - | PD1RK | -9 / - | 3 | Partial capture |
| 09-20 04:36 | 40m | -16 / -15 | RA3DX | -4 / -17 | 7 | ✓ Full exchange observed |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 063245 +0 1748 HK3YL DH0BRO JO62 063315 +0 742 HK3YL PD0PMF JO32 063315 -11 1839 HK3YL HB9ACA JN36 063315 +3 463 HK3YL EI4KF -09 063345 -10 1839 HK3YL HB9ACA JN36 063345 +7 463 HK3YL EI4KF RR73 063445 -9 1839 HK3YL HB9ACA JN36 (x3) 063945 -10 3029 HK3YL PA4BEN JO22 (x2) 064015 +4 773 HK3YL DL6UM JO60 (x4)
UTC dB Audio Message 030200 -9 2072 HK3YL RA7O KN87 030430 -4 1517 HK3YL I7NOT JN81 (x3) 075145 -1 1624 HK3YL IU3WNP JN55 (x2) 075445 -12 2227 HK3YL EC3A -13 (x5) 024015 -24 1723 HK3YL RD9U NO33 032215 -6 1825 HK3YL UA9C -16 (x3)
UTC dB Audio Message 050800 -14 2339 HK3YL RA6OY KN88 022830 -14 1044 HK3YL DJ5TM JN49 (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.
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