R5AT — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: European Russia Locator transmitted in a decoded message: KO85

Receiver-side FT8 activity involving R5AT, decoded by SO8OO in southeastern Poland. 448 related FT8 messages, 96 CQ messages, observed on 160m, 80m, 40m, 20m, 10m, across 48 UTC dates. Heard between 2026-05-17 and 2026-08-15.

These are automated observations at the SO8OO receiver, not the station's official logbook. Times are UTC. Decoder S/N describes messages received at SO8OO; inferred entity and location data may be inaccurate for portable, remote or special-event operation.

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Overview

448
Related messages
96
CQ messages
48
UTC dates heard
-7 dB
Mean decoder S/N

Bands

First seen: 2026-05-17
Last seen: 2026-08-15 21:25 UTC

Activity Heatmap

Locator transmitted by R5AT

Approximate centre of KO85, decoded 2026-08-21 20:53 UTC. A transmitted locator is not proof of the operator's permanent location.

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 UTCBandR5AT S/NCounterpartCounterpart S/NMsgsCapture
08-13 21:38 80m -6 / -13 IQ4JO +8 / -18 5 ✓ Full exchange observed
08-13 21:38 80m - / -10 F1PBZ +11 / - 4 Partial capture
08-13 21:36 80m - / - OE8RPK -13 / - 7 Partial capture
08-13 21:35 80m - / - ON6CQ -17 / - 4 Partial capture
08-13 21:33 80m - / - SA4AGM -13 / - 12 Partial capture
08-13 21:31 80m -6 / -24 EA1CP -10 / - 3 ✓ Closing observed
08-13 21:28 80m - / - DA6IT +2 / - 2 Partial capture
08-13 21:28 80m - / -12 G4ZFJ +8 / - 3 ✓ Closing fragment
08-12 20:45 80m -22 / -7 <...> 0 / - 2 Partial capture
08-09 19:36 80m - / -10 YO4NT +20 / - 2 ✓ Closing fragment
08-09 18:47 10m - / -15 IU2VQQ -14 / - 2 ✓ Closing fragment
08-05 21:01 40m -9 / - EA2DR - / - 2 Partial capture
08-05 20:56 40m -14 / - M0VTS - / - 2 ✓ Closing fragment
08-02 18:39 20m - / -15 G7IJI +1 / - 3 ✓ Closing fragment
07-31 20:28 40m - / -13 ON8PB -20 / - 2 ✓ Closing fragment
07-31 20:17 40m -19 / -10 OE3PBS -3 / -11 5 ✓ Full exchange observed
07-31 20:06 40m - / +6 SQ5PTZ -23 / - 2 ✓ Closing fragment
07-31 20:00 40m -24 / - RW4YD -21 / -5 2 ✓ Closing observed
07-31 19:57 80m -9 / - 8S7DL - / - 2 Partial capture
07-31 19:51 80m -13 / - F5RRS - / - 3 Partial capture
07-31 19:48 80m - / - UB3ADO/P -17 / - 3 ✓ Closing fragment
07-31 19:47 80m -13 / -16 E75AA +4 / -18 5 ✓ Full exchange observed
07-31 19:42 80m -22 / -3 SP8NR +2 / - 3 ✓ Closing observed
07-31 19:37 80m -14 / - UN7ID - / - 2 Partial capture
07-30 19:00 80m -5 / -15 R9CS/P +12 / -9 7 ✓ Full exchange observed
07-30 18:59 80m - / -14 HA7CH +12 / - 2 Partial capture
07-30 18:55 40m -14 / - R1QF - / -8 2 ✓ Closing fragment
07-30 18:51 40m -14 / - R4PEQ -17 / -7 2 ✓ Closing observed
07-26 19:57 40m - / -9 G0OYQ -10 / - 2 ✓ Closing fragment
07-26 19:52 80m -10 / -10 OZ7AKT +3 / -16 5 ✓ Full exchange observed
07-26 19:50 80m -16 / -8 S59A +10 / -15 4 ✓ Full exchange observed
07-26 19:49 80m -9 / - UA9CAW -10 / - 2 ✓ Closing observed
07-25 14:39 20m - / -17 YB5WIR -16 / - 2 ✓ Closing fragment
07-24 21:35 40m -16 / -12 SM7JKW -5 / - 3 ✓ Closing observed
07-23 20:47 80m -12 / -9 RT6Z +6 / - 3 ✓ Closing observed
07-22 22:15 40m -14 / -14 9A7BB -8 / - 5 ✓ Closing observed
07-22 22:11 40m -10 / +6 SP9ENV -1 / -3 5 ✓ Full exchange observed
07-22 22:08 40m -15 / -5 S56KO -16 / -18 3 Partial capture
07-22 22:01 40m -8 / -3 TM73TFR -4 / - 2 Partial capture
07-22 19:16 20m - / -16 TF4M -4 / - 2 ✓ Closing fragment
07-21 20:52 40m -16 / - BI8AWT - / - 2 Partial capture
07-21 20:49 40m -8 / -9 OE8DDX +1 / - 3 ✓ Closing observed
07-20 19:29 80m -15 / -11 YU0X +14 / - 5 ✓ Closing observed
07-20 19:20 80m -6 / - SP9UPV +11 / -21 2 ✓ Closing observed
07-20 19:17 80m -13 / -6 R1WBW +4 / -13 4 ✓ Full exchange observed
07-19 20:49 80m -10 / -6 R4SCQ -12 / -19 4 ✓ Full exchange observed
07-19 20:45 80m - / -18 DK0ACI -2 / - 3 Partial capture
07-19 20:41 80m -24 / -8 R9SAP -12 / -18 4 ✓ Full exchange observed
07-19 20:37 80m -18 / +6 UB3IBG -8 / - 4 ✓ Closing observed
07-17 19:48 40m - / -15 EI8GS -10 / - 2 ✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

80m
UTC    dB Audio  Message
213830  -7 1001  CQ R5AT KO85
213845 +10 2276  R5AT IQ4JO JN63
213845 +13 2604  R5AT F1PBZ -10
213845  -4 1040  R5AT SA4AGM JP70
213845  -9 1380  R5AT OE8RPK JN76
213900  -6 2276  IQ4JO R5AT -18
213915  +7 2276  R5AT IQ4JO R-13
213915 +10 2604  R5AT F1PBZ -10
213915  -9 1380  R5AT OE8RPK JN76
213930  -5 2276  IQ4JO R5AT RR73
213945  +8 2276  R5AT IQ4JO 73
213945  +9 2604  R5AT F1PBZ -10
213945 -10 1380  R5AT OE8RPK JN76
203045  -4 2403  R1IO R5AT KO85
205330 -24 2165  G4CDN R5AT KO85
40m
UTC    dB Audio  Message
201745  -1 2001  R5AT OE3PBS RR73
201800 -20 2000  OE3PBS R5AT 73
202130 -11 2535  YM4KT R5AT KO85
202430  -6  383  R5AT S58MU -12
202615 -24 1672  OM1TD R5AT KO85
202830 -20 1420  R5AT ON8PB -13 (x2)
205545 -16 1738  BI1HJR R5AT 73
205615 -14  238  M0VTS R5AT KO85 (x2)
210030 -21 1677  TF6MK R5AT KO85
210130  -9  471  EA2DR R5AT KO85 (x2)
210800 -20 1676  TF6MK R5AT KO85
232545 -12  633  R5AT M0GLT RR73
20m
UTC    dB Audio  Message
131415 -15 2128  R5AT R0AX -13 (x2)
131545 -13 2328  R5AT OZ9FF -15 (x2)
200830  -7 2711  R5AT I0XNH -03
191630  -2 2493  R5AT TF4M -16 (x2)
143145 -16 1072  R5AT RA6OD KN97
143945 -17 2097  R5AT YB5WIR -17 (x2)
183945  -1  893  R5AT G7IJI -15 (x3)
192430 -12  977  R5AT R6DZR KN84
195900 -12 2712  R5AT VE1ANF/9 -16
10m
UTC    dB Audio  Message
105230 -19  836  CQ R5AT KO85 (x3)
115630 -18  895  SP6M R5AT +00
182745 -19 2316  PY5BH R5AT KO85
190745 -19 1138  PP2RR R5AT KO85 (x3)
200830 -14 1040  PY3AO R5AT KO85
200845  -8 1041  R5AT PY3AO -19
200900 -13 1040  PY3AO R5AT R-16
200915 -10 1040  R5AT PY3AO RR73
195515 -13 2407  R5AT F6KKR +00
184715 -14 1623  R5AT IU2VQQ -15 (x2)
160m
UTC    dB Audio  Message
220315  -4 1576  R5AT LA3DV JO49
220330 -24  996  CQ R5AT KO85
220345  -6 2095  R5AT DO1RJB JO31
220345  -6 1576  R5AT LA3DV JO49
220400 -24  995  CQ R5AT KO85
220415  -9 2095  R5AT DO1RJB JO31
220415  -3 1576  R5AT LA3DV JO49
220430 -24  996  CQ R5AT KO85
220445 -10 2095  R5AT DO1RJB JO31
211030 -23 1860  UD8S R5AT KO85 (x2)
210745 -10 1020  R9SAP R5AT KO85 (x2)
211400  -4  875  R5AT SQ2PHC -15 (x2)

Decoder S/N history by band

Daily averages across messages associated with this profile as decoded at SO8OO.