OH8SR — 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: Finland Most frequent locator attributed to this token: KP44

Receiver-side FT8 activity involving OH8SR, decoded by SO8OO in southeastern Poland. 1,231 FT8 messages attributed to this token as transmitter, on 160m, 80m, 60m, 40m, 20m, 10m, across 71 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 1,231 FT8 messages attributed to OH8SR as the transmitting token by decoded message structure across 71 UTC dates in the available aggregate history. The largest monitored-band total was 80 m (34%), followed by 160 m (28%) and 60 m (27%). Most decodes (56%) fell within the six-hour window 20:00-02:00 UTC. Most successfully decoded messages attributed to this token fell in SO8OO's strong S/N range (77%); the estimated median was -2.8 dB.

Overview

1,231
Messages attributed
71
UTC dates decoded
243
Active 15-min windows
-2.8 dB
Estimated median S/N

Bands

First attributed message: 2026-06-08
Last attributed message: 2026-11-06 01:28 UTC

Observed FT8 message patterns

Attributed sample
1,231 messages
Active dates
71 UTC dates
Estimated median S/N
-2.8 dB
Estimated 10th-90th percentile
-12.1 to +7 dB
Recurring-pattern threshold
Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 69, moderate (-15 to -9 dB) 210, strong (≥ -8 dB) 952.

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 OH8SR

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
KP44 · 819 decoded messages
SO8OO receiver locator
KN09VW
Locator-centre separation
1,674 km (approx.)
Last such locator decoded
2026-11-06 01:19 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 UTCBandOH8SR S/NCounterpartCounterpart S/NMsgsCapture
11-06 11:00 40m - / -10 DL7DL -10 / - 6 ✓ Closing fragment
11-06 01:27 80m 0 / - RW9ULK - / -7 2 ✓ Closing fragment
11-06 01:26 80m +6 / - PY2WC - / -10 2 ✓ Closing fragment
11-06 01:25 80m +4 / - SP1EG - / -12 2 ✓ Closing fragment
11-06 01:24 80m +6 / -6 SP8HDC -9 / -3 4 ✓ Full exchange observed
11-06 01:23 80m +1 / - XE2X -11 / -12 4 ✓ Closing observed
11-06 01:22 80m - / -21 WM4W -14 / - 2 Partial capture
11-06 01:19 80m +4 / - NF3R - / -15 3 ✓ Closing fragment
11-03 14:43 60m -10 / - BG2GWN - / - 3 Partial capture
11-03 13:54 60m -4 / - DU2FIS - / -21 4 ✓ Closing fragment
11-03 13:28 60m -4 / - KH8A - / - 6 Partial capture
11-01 20:59 80m - / - SP5JMA +6 / - 3 Partial capture
11-01 20:57 80m -2 / - A92AE - / -9 2 ✓ Closing fragment
11-01 20:53 80m -5 / - A92AE - / - 3 Partial capture
11-01 20:33 160m -5 / - TK4RB - / - 3 Partial capture
11-01 01:16 60m -16 / - S79VU - / - 3 Partial capture
11-01 01:08 60m -4 / - TN8GD - / -24 2 Partial capture
10-30 23:51 160m -8 / - 6W/IK2HKT - / - 2 Partial capture
10-30 23:20 160m - / - IK5SRB -5 / - 4 Partial capture
10-30 23:17 160m -4 / - EA2AR - / -16 4 ✓ Closing fragment
10-30 22:56 160m -12 / - 6W/IK2HKT - / - 2 Partial capture
10-30 22:48 160m -16 / - RD1A/P - / - 6 Partial capture
10-30 22:29 160m -15 / - 6W/IK2HKT - / - 2 Partial capture
10-30 22:23 160m -18 / - 6W/IK2HKT - / - 3 Partial capture
10-30 22:20 160m -8 / - 6W/IK2HKT - / - 2 Partial capture
10-30 20:46 160m -12 / - 6W/IK2HKT - / - 5 Partial capture
10-30 20:28 160m -7 / - 6W/IK2HKT - / - 8 Partial capture
10-30 03:49 160m -7 / - <...> - / - 2 Partial capture
10-30 02:39 160m -9 / - <...> - / - 5 Partial capture
10-30 01:49 160m +4 / - 6W/IK2HKT - / - 2 Partial capture
10-30 01:45 160m +3 / - 6W/IK2HKT - / - 3 Partial capture
10-30 01:39 160m +4 / - 6W/IK2HKT - / - 4 Partial capture
10-30 01:26 160m +7 / - 6W/IK2HKT - / - 5 Partial capture
10-30 01:20 160m -5 / - RA6MQ/P - / - 4 Partial capture
10-30 01:17 160m +8 / - 6W/IK2HKT - / - 3 Partial capture
10-30 01:05 160m +10 / - <...> - / - 4 Partial capture
10-30 00:54 160m +3 / - 6W/IK2HKT - / - 5 Partial capture
10-30 00:49 160m +8 / - 6W/IK2HKT - / - 5 Partial capture
10-30 00:41 160m -7 / - 6W/IK2HKT - / - 3 Partial capture
10-30 00:40 160m -5 / - RA6MQ/P - / - 3 Partial capture
10-30 00:36 160m +1 / - OH6OKSA - / - 7 Partial capture
10-30 00:31 160m -8 / - 6W/IK2HKT - / - 8 Partial capture
10-30 00:29 160m -7 / - DL1HDL - / - 3 Partial capture
10-29 22:18 60m -5 / - 6W/IK2HKT - / -12 8 Partial capture
10-29 22:11 60m -7 / - 6W/IK2HKT - / - 4 Partial capture
10-29 22:09 60m -6 / - LZ26IPA - / - 4 Partial capture
10-29 22:04 60m -4 / - 6W/IK2HKT - / - 2 Partial capture
10-29 21:57 60m -3 / - 6W/IK2HKT - / - 6 Partial capture
10-29 21:40 60m -2 / - 6W/IK2HKT - / -16 26 Partial capture
10-29 21:37 60m +2 / - TK/DH7SB - / - 6 Partial capture

Recent FT8 messages decoded at SO8OO

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

40m
UTC    dB Audio  Message
065515  -7 1632  OH5DJZ OH8SR RR73
065615 -19 1632  G0OYQ OH8SR RR73
065630 -10  579  OH8SR G0OYQ 73
065715 -19 1632  G3TKT OH8SR RR73
065745 -22 1632  EA5RR OH8SR -12 (x2)
102215 -24 2047  YJ8RN OH8SR KP44
141115  -9 2320  XX9TXN OH8SR KP44 (x2)
110045  -5  644  OH8SR DL7DL JO62 (x6)
80m
UTC    dB Audio  Message
012230 -13 1831  OH8SR WM4W -21
012315  -2 1909  XE2X OH8SR R-12 (x2)
012400 -11 2759  OH8SR XE2X RR73
012415  +1 1852  XE2X OH8SR 73
012430 -11 1852  OH8SR SP8HDC KO00
012445  +7 1851  SP8HDC OH8SR -03
012500  -7 1852  OH8SR SP8HDC R-06
012515  +4 1852  SP8HDC OH8SR RR73
012545  +4 1852  SP1EG OH8SR -12 (x2)
012645  +6 1852  PY2WC OH8SR -10 (x2)
012745  +2 1852  RW9ULK OH8SR -07 (x2)
60m
UTC    dB Audio  Message
011715 -15 2247  S79VU OH8SR KP44 (x2)
132845  -3  964  KH8A OH8SR KP44 (x6)
135415  -5 1309  DU2FIS OH8SR KP44 (x4)
144315 -10 1309  BG2GWN OH8SR KP44 (x3)
160m
UTC    dB Audio  Message
231745  -9 2239  EA2AR OH8SR KP44 (x4)
232000  +0 1644  OH8SR IK5SRB JN63 (x4)
235115  -7  548  6W/IK2HKT OH8SR KP44 (x3)
203215  -2 2639  VK6EI OH8SR KP44
203315  -9 2639  TK4RB OH8SR KP44 (x3)
20m
UTC    dB Audio  Message
165345  +9 1792  <...> OH8SR KP44 (x2)
10m
UTC    dB Audio  Message
170745 -17 1803  S09S OH8SR R-08 (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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