WB8YJF — reception at SO8OO

Signals decoded by SO8OO in southeastern Poland. FT8 and CW have separate histories; all times are UTC.

FT8 activity

DXCC entity inferred from callsign: United States Most frequent locator attributed to this token: EN80

Receiver-side FT8 activity involving WB8YJF, decoded by SO8OO in southeastern Poland. 676 FT8 messages attributed to this token as transmitter, on 80m, 40m, 20m, across 55 UTC dates in the available aggregate history. Observed between 2026-06-08 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 676 FT8 messages attributed to WB8YJF as the transmitting token by decoded message structure across 55 UTC dates in the available aggregate history. The largest monitored-band total was 20 m (97%), followed by 40 m (2%) and 80 m (1%). Most decodes (67%) fell within the six-hour window 22:00-04:00 UTC. Received S/N was mixed across SO8OO's weak, moderate and strong ranges; the estimated median was -9 dB.

Overview

676
Messages attributed
55
UTC dates decoded
144
Active 15-min windows
-9 dB
Estimated median S/N

Bands

First attributed message: 2026-06-08
Last attributed message: 2026-11-06 00:56 UTC

Observed FT8 message patterns

Attributed sample
676 messages
Active dates
55 UTC dates
Estimated median S/N
-9 dB
Estimated 10th-90th percentile
-18 to +2 dB
Recurring-pattern threshold
Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 138, moderate (-15 to -9 dB) 220, strong (≥ -8 dB) 318.

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.

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 WB8YJF

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
EN80 · 4 decoded messages
SO8OO receiver locator
KN09VW
Locator-centre separation
7,578 km (approx.)
Last such locator decoded
2026-11-05 00:24 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 UTCBandWB8YJF S/NCounterpartCounterpart S/NMsgsCapture
11-06 01:49 40m - / -4 M7BVV -4 / - 2 ✓ Closing fragment
11-06 00:57 40m - / -8 M7EYP -8 / - 2 ✓ Closing fragment
11-06 00:55 40m - / 0 CT1KNM -4 / - 4 ✓ Closing fragment
11-06 00:50 40m - / 0 IR0PG -10 / - 6 ✓ Closing fragment
11-05 23:56 40m - / -17 IN3THU -8 / - 2 ✓ Closing fragment
11-05 06:19 40m - / -7 S55A -4 / - 2 ✓ Closing fragment
11-05 06:18 40m - / -14 HA8CE +8 / - 3 Partial capture
11-05 06:16 40m - / - DK9RC -3 / - 3 ✓ Closing fragment
11-05 06:15 40m - / -14 F1PWS -2 / - 2 ✓ Closing fragment
11-05 06:11 40m - / -14 HA8CE +6 / - 2 ✓ Closing fragment
11-05 00:52 40m - / -8 ON4DXL -9 / - 2 ✓ Closing fragment
11-05 00:49 40m - / - EA3CCI -12 / - 3 ✓ Closing fragment
11-05 00:20 40m - / -15 F4HTO -5 / - 5 ✓ Closing fragment
11-05 00:13 40m - / -3 G4IFX +2 / - 2 ✓ Closing fragment
11-05 00:12 40m - / -11 IW2MYH -4 / - 8 Partial capture
11-05 00:10 40m - / -18 F4JIS -8 / - 2 ✓ Closing fragment
11-05 00:07 40m - / -2 ON8WR -11 / - 3 ✓ Closing fragment
11-04 06:27 80m - / -25 DO1ID -4 / - 3 Partial capture
11-04 06:25 80m - / -3 F5UKW 0 / - 2 ✓ Closing fragment
11-04 06:22 80m - / -22 OK2DA +12 / - 5 Partial capture
11-04 06:22 80m - / - DL3OCF -3 / - 4 Partial capture
11-04 06:19 80m - / - OK2DA +25 / - 3 Partial capture
11-04 06:18 80m - / -8 F4EZJ +12 / - 2 ✓ Closing fragment
11-04 06:07 80m - / - SN9Q +16 / - 2 Partial capture
11-04 06:06 80m - / -9 EC3A -22 / - 2 Partial capture
11-04 06:06 80m - / - IZ1ANZ -4 / - 2 Partial capture
11-04 06:05 80m - / -3 OZ1ADL -6 / - 2 ✓ Closing fragment
11-04 06:04 80m - / -11 F4LOB -16 / - 2 ✓ Closing fragment
11-04 06:03 80m - / - OH7XI -7 / - 3 Partial capture
11-04 05:48 40m - / -12 F1PBZ -2 / - 2 ✓ Closing fragment
11-04 05:46 40m - / - LZ2KV +8 / - 2 Partial capture
11-04 05:44 40m - / -25 S57SWR +5 / - 3 ✓ Closing fragment
11-04 05:28 40m - / - IK1LJO -10 / - 3 Partial capture
11-04 05:27 40m - / -7 EA2FBG 0 / - 2 ✓ Closing fragment
11-04 01:54 40m - / 0 4Z4DX -13 / - 2 ✓ Closing fragment
11-04 00:00 40m - / - EA3ACA -12 / - 3 Partial capture
11-03 23:56 40m - / -8 G4WFQ +12 / - 2 ✓ Closing fragment
11-03 00:53 40m - / - EA1AGM -23 / - 5 Partial capture
11-03 00:49 40m - / -6 SV5BYP -11 / - 4 Partial capture
11-02 05:39 40m - / -8 F5JYD 0 / - 2 Partial capture
11-01 06:37 80m - / -9 HB3YBK -10 / - 5 ✓ Closing fragment
11-01 06:26 80m - / -13 DK1MAX +15 / - 2 ✓ Closing fragment
11-01 06:24 80m - / - OM2KI +16 / - 4 Partial capture
11-01 06:23 80m - / -11 F4FSY -8 / - 3 Partial capture
11-01 06:21 80m - / 0 F8CFO +5 / - 2 ✓ Closing fragment
11-01 06:19 80m - / - DO1FHQ +6 / - 4 Partial capture
11-01 06:17 80m - / -2 G3RWF -3 / - 2 ✓ Closing fragment
11-01 06:16 80m - / -3 F4FFZ -6 / - 2 ✓ Closing fragment
11-01 06:12 80m - / - ON8WR -11 / - 3 Partial capture
11-01 06:11 80m -15 / -14 DJ6OI +10 / - 3 ✓ Closing observed

Recent FT8 messages decoded at SO8OO

Frequency values are decoder audio offsets in hertz, not RF frequencies.

10m
UTC    dB Audio  Message
145930  -5  412  WB8YJF C91RU R-04
150000  -5  412  WB8YJF RR73; DL2ZM <...> +02
135200 -21 1284  WB8YJF 7Z1FF R-09
154100 -13 2496  WB8YJF CR7BUW R+03
154130 -16 1597  WB8YJF CS7BPG IN51 (x7)
132345  +0 2232  WB8YJF CN8WK R-11 (x2)
141215 -20 1782  WB8YJF EA4IVO 73
40m
UTC    dB Audio  Message
005100  -9 2454  WB8YJF IR0PG R+03 (x4)
005530  -7 1919  WB8YJF CT1KNM R+00 (x2)
005600 -12  536  4L1FL WB8YJF -12
005630  -6 1919  WB8YJF CT1KNM R+00 (x2)
005745  -7 1014  WB8YJF M7EYP R-08 (x2)
014900  -8 2684  WB8YJF M7BVV R-04 (x2)
015200 -14 1312  WB8YJF IU8RFW JN70
050130  -9  912  WB8YJF EA3JW R-08
80m
UTC    dB Audio  Message
062215  +4  335  WB8YJF DL3OCF JO51
062245 +15 1711  WB8YJF OK2DA JN89
062245  -5 2477  WB8YJF DL3OCF JO51
062400 +13 1493  WB8YJF OK2DA -22 (x2)
062430  -9  666  WB8YJF DL3OCF JO51 (x2)
062515  -2 2600  WB8YJF F5UKW R-03
062545  -1  774  WB8YJF ON8DM JO10
062545 +10 1493  WB8YJF OK2DA JN89
062545  +3 2600  WB8YJF F5UKW 73
062615 +10 1493  WB8YJF OK2DA JN89
062745  -9  237  WB8YJF DO1ID -25 (x3)
60m
UTC    dB Audio  Message
054515  -3 2437  WB8YJF DF2PI JN49 (x3)
054715 -10 1274  WB8YJF DJ1NE R-09 (x2)
054845  -9 1580  WB8YJF DG1KFR JO33 (x4)
055245 -15 2439  WB8YJF EA1HTF IN52
055245  +1 1834  WB8YJF DL8RBL -17 (x3)
060430  +8  363  WB8YJF PA4PA R-10 (x2)
20m
UTC    dB Audio  Message
115230  -3 2398  WB8YJF OK1MXD JN89 (x3)
122915 -19 2337  WB8YJF RA9UO R-10
130100 -12  566  WB8YJF M8KWV R-06 (x2)
130200  +8  568  WB8YJF F5IXN JN23 (x2)
130600 -15  568  WB8YJF M7RNK IO91 (x2)
130630  +5 2149  WB8YJF DJ5FS R-17 (x3)
130800 -10  257  WB8YJF IK2WJT R-10 (x2)

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.

Explore CW reception at SO8OO

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