R3PJ — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: European Russia Most frequent locator attributed to this token: KO84

Receiver-side FT8 activity involving R3PJ, decoded by SO8OO in southeastern Poland. 2,149 FT8 messages attributed to this token as transmitter, on 80m, 40m, 20m, 10m, across 90 UTC dates in the available aggregate history. Observed between 2026-06-06 and 2026-10-06.

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 2,149 FT8 messages attributed to R3PJ as the transmitting token by decoded message structure across 90 UTC dates in the available aggregate history. The largest monitored-band total was 40 m (42%), followed by 80 m (32%) and 20 m (26%). Most decodes (64%) fell within the six-hour window 14:00-20:00 UTC. Received S/N was mixed across SO8OO's weak, moderate and strong ranges; the estimated median was -8 dB.

Overview

2,149
Messages attributed
90
UTC dates decoded
510
Active 15-min windows
-8 dB
Estimated median S/N

Bands

First attributed message: 2026-06-06
Last attributed message: 2026-10-06 04:55 UTC

Observed FT8 message patterns

Attributed sample
2,149 messages
Active dates
90 UTC dates
Estimated median S/N
-8 dB
Estimated 10th-90th percentile
-16.8 to -0.3 dB
Recurring-pattern threshold
Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 268, moderate (-15 to -9 dB) 766, strong (≥ -8 dB) 1,115.

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 R3PJ

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
KO84 · 1,156 decoded messages
SO8OO receiver locator
KN09VW
Locator-centre separation
1,150 km (approx.)
Last such locator decoded
2026-10-06 04:55 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 UTCBandR3PJ S/NCounterpartCounterpart S/NMsgsCapture
10-06 03:56 40m - / -10 EA3AKY +7 / - 3 ✓ Closing fragment
10-01 17:55 40m -3 / -4 R7KJG -13 / - 4 Partial capture
10-01 17:49 40m +2 / -6 US1EA -4 / -16 5 ✓ Full exchange observed
10-01 17:47 40m -5 / -15 IQ2AAH -5 / -12 4 ✓ Full exchange observed
10-01 17:44 40m -3 / - RW6B -14 / -4 3 ✓ Closing observed
10-01 17:43 40m -8 / - EW4MO - / -9 4 ✓ Closing fragment
10-01 17:42 40m -8 / - UB2FEK - / -8 2 ✓ Closing fragment
10-01 16:48 40m -16 / - R4HOH - / -13 2 ✓ Closing fragment
10-01 16:45 40m -12 / - SX2LGT - / -10 3 ✓ Closing fragment
10-01 16:35 40m 0 / - R4IQ - / -18 2 ✓ Closing fragment
10-01 16:32 40m -5 / - RZ1AS - / -3 4 ✓ Closing fragment
10-01 16:30 40m -6 / +2 UA3ROJ -8 / -1 5 ✓ Full exchange observed
10-01 16:22 40m -6 / -2 ER5DX -10 / -14 6 ✓ Full exchange observed
10-01 16:21 40m -8 / - RW0AE - / -14 3 ✓ Closing fragment
10-01 16:13 40m - / -16 DG0AM +3 / - 12 Partial capture
10-01 16:13 40m -10 / -10 R2SN +8 / -16 5 ✓ Full exchange observed
10-01 16:09 40m -13 / -15 OE6PVG +2 / -19 11 ✓ Full exchange observed
10-01 16:05 40m - / - R3YAX -9 / - 2 Partial capture
10-01 16:02 40m -12 / 0 R9LY 0 / -1 4 ✓ Full exchange observed
10-01 16:01 40m -11 / - R9SAP -20 / -17 4 ✓ Closing observed
10-01 15:59 40m -12 / +5 RU6K -10 / - 3 ✓ Closing observed
10-01 15:56 40m -16 / - R9OOH -17 / -13 3 ✓ Closing observed
10-01 15:53 40m +2 / - R1LH - / -13 2 ✓ Closing fragment
10-01 15:51 40m -5 / -5 UB3ZKO -10 / -6 5 ✓ Full exchange observed
10-01 15:49 40m -5 / -8 RD9FC -16 / - 2 ✓ Closing observed
10-01 15:45 40m -2 / - RA4DAL - / -8 2 ✓ Closing fragment
10-01 15:43 40m -8 / - RC6YI -5 / -7 5 ✓ Closing observed
10-01 15:40 40m -4 / - R3YAX - / - 4 Partial capture
10-01 15:31 40m -5 / - R2DAW - / -6 2 ✓ Closing fragment
10-01 15:29 40m -10 / 0 RA6FSV -11 / -2 5 ✓ Full exchange observed
10-01 15:26 40m -10 / +3 RU3OH -10 / 0 6 ✓ Full exchange observed
10-01 15:26 40m -7 / +6 RA1TR -7 / - 4 ✓ Closing observed
09-26 05:33 40m -12 / - R2ALE/P - / -12 2 ✓ Closing fragment
09-26 05:32 40m -6 / - RU9CZ - / -14 2 ✓ Closing fragment
09-26 05:06 40m - / - IU8RFW -14 / - 2 Partial capture
09-26 04:47 40m -2 / - RA6Z - / -8 2 ✓ Closing fragment
09-26 04:41 40m -10 / - RN7A - / -17 2 ✓ Closing fragment
09-26 04:40 40m -14 / - RA6FSV - / -15 2 ✓ Closing fragment
09-26 04:37 40m -10 / - RV6F - / -19 2 ✓ Closing fragment
09-25 16:39 40m -12 / - UB6LWX - / -10 2 ✓ Closing fragment
09-25 16:35 40m -3 / - US1EA - / -11 3 ✓ Closing fragment
09-25 16:34 40m -3 / - RA3SO - / -14 2 ✓ Closing fragment
09-25 16:31 40m -7 / - RA9HBQ - / - 4 ✓ Closing fragment
09-25 16:29 40m -8 / - SP3GHC - / - 2 ✓ Closing fragment
09-25 16:27 40m -8 / -4 I4BUQ -3 / -15 5 ✓ Full exchange observed
09-25 16:26 40m - / - SP3GHC 0 / - 2 Partial capture
09-25 16:00 40m -4 / -13 R3PY -15 / -13 4 ✓ Closing observed
09-25 16:00 40m -4 / - UB6LLI - / -14 2 ✓ Closing fragment
09-25 15:59 40m -8 / - R4ABW - / -3 2 ✓ Closing fragment
09-25 15:20 40m -14 / - YC2BUZ - / -23 2 ✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

40m
UTC    dB Audio  Message
175000  +7  916  US1EA R3PJ -16
175045  -4  942  R3PJ US1EA R-06
175100  -3  916  US1EA R3PJ RR73 (x2)
175500  -3  583  R7KJG R3PJ KO84
175615 -11 2566  R3PJ R7KJG -04 (x3)
035645  +9 2525  R3PJ EA3AKY JN01 (x3)
041600  -5  546  R3PJ RR73; RZ3AV <...> +00
041745 -21 1256  DA125RH R3PJ R-07
045515 -13 1071  CQ R3PJ KO84 (x2)
80m
UTC    dB Audio  Message
163445  -3  718  CQ R3PJ KO84
163600 -13  744  R3PJ R1TET KO78 (x2)
163700 -10  490  R3PJ R2ZR KO80
163800 -12 1594  R3PJ RV3YN KO73
163800  -6  490  R3PJ R2ZR R-04 (x2)
163900 -14 1594  R3PJ RV3YN R-02 (x2)
171815 -14  869  CQ R3PJ KO84 (x4)
172200 -20  950  R3PJ RW6HPS -02 (x2)
20m
UTC    dB Audio  Message
070330 +12 1112  CQ R3PJ KO84
070430  +9 1112  SV1MNE R3PJ RR73
070515  -5 1112  R3PJ F1IQH JN27 (x3)
070630  -1 1141  OG2KAJ R3PJ KO84
070645  -8 1112  R3PJ F1IQH JN27
070730  +0 1141  OG2KAJ R3PJ KO84
070830  +7 1141  CQ R3PJ KO84
070930  +8 1141  SP4CUF R3PJ KO84
071100  +6  983  IC8XUS R3PJ KO84
071200  +9  983  CQ R3PJ KO84
071230  +3  983  EG1PPE R3PJ KO84 (x3)
10m
UTC    dB Audio  Message
070545 -22 1593  R3PJ LZ2CP RR73
074200 -24 1910  R3PJ UI6A RR73
072415  -5  490  R3PJ IK4LZH JN54 (x3)
074645 -23 1658  R3PJ RL1B -05 (x3)
075415 -17 1534  R3PJ UI5A KO85
075415 -10  521  R3PJ A92GE -12 (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.

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