OH2BYJ — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Finland Most frequent locator attributed to this token: KP10

Receiver-side FT8 activity involving OH2BYJ, decoded by SO8OO in southeastern Poland. 566 FT8 messages attributed to this token as transmitter, on 60m, across 43 UTC dates in the available aggregate history. Observed between 2026-06-06 and 2026-09-13.

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 566 FT8 messages attributed to OH2BYJ as the transmitting token by decoded message structure across 43 UTC dates in the available aggregate history. The largest monitored-band total was 60 m (100%). Several six-hour UTC windows tied for the largest share (61%), so no unique busiest interval is claimed. Most successfully decoded messages attributed to this token fell in SO8OO's strong S/N range (76%); the estimated median was -5 dB.

Overview

566
Messages attributed
43
UTC dates decoded
144
Active 15-min windows
-5 dB
Estimated median S/N

Bands

60m · 566
First attributed message: 2026-06-06
Last attributed message: 2026-09-13 06:31 UTC

Observed FT8 message patterns

Attributed sample
566 messages
Active dates
43 UTC dates
Estimated median S/N
-5 dB
Estimated 10th-90th percentile
-12 to +2.8 dB
Recurring-pattern threshold
Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 22, moderate (-15 to -9 dB) 114, strong (≥ -8 dB) 430.

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 OH2BYJ 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 OH2BYJ

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
KP10 · 251 decoded messages
SO8OO receiver locator
KN09VW
Locator-centre separation
1,177 km (approx.)
Last such locator decoded
2026-09-13 06:30 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 UTCBandOH2BYJ S/NCounterpartCounterpart S/NMsgsCapture
09-13 06:30 60m -1 / -7 DF0AWG 0 / - 5 ✓ Full exchange observed
09-13 06:23 60m -5 / - G8TPM - / - 2 Partial capture
09-13 06:19 60m -5 / - DG7AK - / -8 3 ✓ Closing fragment
09-13 03:33 60m -14 / - DL6NDN - / - 3 ✓ Closing fragment
09-12 18:22 60m -2 / -17 HB9PLH -6 / -1 5 ✓ Full exchange observed
09-12 18:14 60m -7 / -10 E79D +12 / +3 6 ✓ Full exchange observed
09-12 18:13 60m -7 / -4 S57BTI -8 / -3 6 ✓ Full exchange observed
09-12 18:12 60m -5 / - UN8DSW - / -17 3 ✓ Closing fragment
09-12 18:09 60m +2 / +5 OH7VV -13 / - 5 ✓ Full exchange observed
09-12 18:08 60m +1 / - LA1PHA -12 / +4 5 ✓ Full exchange observed
09-12 04:27 60m +2 / +5 F6ICX 0 / +10 5 ✓ Full exchange observed
09-06 05:47 60m -11 / - HF0ROSA - / - 2 Partial capture
09-06 05:44 60m -9 / - LA5LDX - / -1 4 ✓ Closing fragment
09-05 17:23 60m +2 / +1 LA2W/P 0 / - 5 ✓ Full exchange observed
09-05 17:19 60m -8 / +9 DL3BQA -5 / - 5 Partial capture
09-05 17:17 60m -6 / - LA4O -16 / +7 5 ✓ Full exchange observed
09-05 16:21 60m -6 / - LC2L/P - / -3 2 ✓ Closing fragment
09-05 16:20 60m -7 / - LA9H -12 / +10 4 ✓ Full exchange observed
09-05 16:18 60m -4 / +3 LA1QRO -14 / - 5 ✓ Full exchange observed
09-05 05:39 60m +3 / - LA6SLA - / +8 3 ✓ Closing fragment
09-05 05:36 60m -2 / - OH7FES - / -19 3 ✓ Closing fragment
09-05 04:19 60m -6 / -20 IU7SQV -10 / -8 5 ✓ Full exchange observed
09-05 03:21 60m -9 / - NP3RK - / -13 4 ✓ Closing fragment
09-04 04:44 60m -10 / - LY90KRS 0 / - 3 Partial capture
09-04 03:23 60m -4 / -8 TA2K -4 / -7 5 ✓ Full exchange observed
09-03 03:26 60m +1 / - VE2LBI - / - 2 Partial capture
09-03 03:22 60m +6 / - VE2LBI - / - 2 Partial capture
09-03 02:55 60m -3 / - D44TWO - / -5 10 ✓ Closing fragment
08-30 05:40 60m -7 / - F1LYV - / -16 3 ✓ Closing fragment
08-29 18:46 60m -5 / - ER1CW -11 / +1 4 ✓ Closing observed
08-29 16:14 60m -8 / -8 SP7CS -1 / +4 4 ✓ Full exchange observed
08-29 16:05 60m -5 / - G4RRX - / -8 5 ✓ Closing fragment
08-29 05:46 60m -9 / -3 SP5HQZ 0 / +5 5 ✓ Full exchange observed
08-29 05:27 60m -6 / -2 DM6WAN -4 / +5 5 ✓ Full exchange observed
08-29 05:24 60m 0 / -10 ES5MG -3 / -9 5 ✓ Full exchange observed
08-29 05:15 60m -5 / - SA2CKY - / -7 3 ✓ Closing fragment
08-29 04:31 60m -17 / -2 DH0YAH -6 / +7 5 ✓ Full exchange observed
08-29 04:02 60m -1 / - EA5IT - / -7 3 ✓ Closing fragment
08-29 04:01 60m -3 / -18 EA5JHD -8 / +5 5 ✓ Full exchange observed
08-29 03:33 60m -12 / - KQ4RLN - / - 2 Partial capture
08-29 03:30 60m -9 / - DM2RM - / +4 3 ✓ Closing fragment
08-23 04:20 60m -8 / - SP1ZMO - / - 2 Partial capture
08-23 04:19 60m -2 / - I/DH3YAK - / -7 2 Partial capture
08-22 17:50 60m +1 / -2 S59SV +4 / +8 5 ✓ Full exchange observed
08-22 17:45 60m -8 / -11 DF6QN -12 / -1 4 ✓ Full exchange observed
08-22 17:43 60m -7 / - DK5RL - / -14 3 ✓ Closing fragment
08-22 17:41 60m -6 / -17 HA3HM -13 / -12 3 ✓ Full exchange observed
08-22 04:45 60m -15 / - EA5JHD - / - 3 Partial capture
08-22 04:37 60m -6 / +3 SP8AWL +14 / - 5 ✓ Full exchange observed
08-21 05:12 60m -14 / -17 F5OZC -14 / -4 7 ✓ Full exchange observed

Recent FT8 messages decoded at SO8OO

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

60m 
UTC    dB Audio  Message
182345  -5 1004  OH2BYJ HB9PLH RR73
182400  -1 1004  HB9PLH OH2BYJ 73
033345 -17 1839  DL6NDN OH2BYJ KP10 (x3)
061930  -7  763  DG7AK OH2BYJ KP10 (x3)
062315  -3  933  G8TPM OH2BYJ KP10 (x2)
063015  -1  441  DF0AWG OH2BYJ KP10
063030  +1  441  OH2BYJ DF0AWG -07
063045  +0  441  DF0AWG OH2BYJ R+15
063100  +0  440  OH2BYJ DF0AWG RR73
063115  -1  441  DF0AWG OH2BYJ 73

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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