R1CF — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: European Russia Locator transmitted in a decoded message: KO59

Receiver-side FT8 activity involving R1CF, decoded by SO8OO in southeastern Poland. 463 related FT8 messages, 144 CQ messages, observed on 160m, 60m, 40m, 20m, 10m, across 40 UTC dates. Heard between 2026-05-24 and 2026-08-21.

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

463
Related messages
144
CQ messages
40
UTC dates heard
-8 dB
Mean decoder S/N

Bands

20m 40m 60m 10m 160m
First seen: 2026-05-24
Last seen: 2026-08-21 13:48 UTC

Frequent QSO partners observed at SO8OO

Stations R1CF worked most often, as logged from our receiver:

Activity Heatmap

Locator transmitted by R1CF

Approximate centre of KO59, decoded 2026-08-21 12:44 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 UTCBandR1CF S/NCounterpartCounterpart S/NMsgsCapture
08-21 15:48 20m - / -12 BG7BVI -7 / - 2 ✓ Closing fragment
08-21 12:43 20m -21 / -1 <...> -5 / -9 4 Partial capture
08-21 06:29 20m - / -26 XQ1KK -4 / - 2 ✓ Closing fragment
08-21 04:28 40m -20 / - UB4HPQ - / -14 3 Partial capture
08-21 04:25 40m - / - OO0O -7 / - 5 Partial capture
08-21 04:21 40m -19 / - RD4HX - / -11 2 ✓ Closing fragment
08-20 20:18 60m - / - DK7ZT -17 / - 3 Partial capture
08-20 18:27 40m -4 / - R4DB - / - 3 Partial capture
08-20 18:23 40m -7 / -6 R3BIS -14 / -5 4 ✓ Full exchange observed
08-20 18:22 40m 0 / -13 R3PLN/P -24 / - 2 ✓ Closing observed
08-20 17:57 40m +2 / -7 RA6OD +5 / -5 5 ✓ Full exchange observed
08-17 21:03 40m -15 / - SP4TKA - / -4 2 Partial capture
08-17 20:50 40m -21 / -2 OK2VCR -3 / -9 9 ✓ Full exchange observed
08-17 20:50 40m -12 / - DM1HR - / -19 2 ✓ Closing fragment
08-17 20:41 160m - / - RA3WY -8 / - 6 Partial capture
08-17 20:40 160m - / -10 SP6AXW +4 / - 2 ✓ Closing fragment
08-17 20:36 160m - / -18 SQ4KOU -12 / - 2 ✓ Closing fragment
08-17 20:17 40m -18 / - <...> - / - 2 Partial capture
08-17 20:12 40m -19 / - UB6ZDJ - / - 3 Partial capture
08-11 14:41 20m - / -3 ON4ASV +4 / - 3 ✓ Closing fragment
08-11 14:33 20m - / -16 RK6A -7 / - 2 ✓ Closing fragment
08-09 15:18 20m - / -4 YU7DES -10 / - 2 Partial capture
08-09 05:13 40m - / - IK4LZH -4 / - 4 Partial capture
08-09 04:55 40m - / - RW6BT -4 / - 2 Partial capture
08-08 20:34 40m - / -13 RG7A -21 / - 3 ✓ Closing fragment
08-08 19:17 40m -16 / -11 F1IQH -15 / -11 3 Partial capture
08-08 19:05 40m -10 / - RG7O - / -15 3 ✓ Closing fragment
08-08 19:01 40m -11 / - UB4RIB - / -15 2 ✓ Closing fragment
08-08 18:48 40m -8 / - R3KON -5 / -13 4 ✓ Closing observed
08-08 18:45 40m -9 / - RZ6LE - / -15 3 ✓ Closing fragment
08-08 18:43 40m -9 / - UB6ZDJ - / - 3 Partial capture
08-07 20:41 40m -16 / - GM3CQD - / -13 2 ✓ Closing fragment
08-07 20:41 40m -17 / -3 DF8RU -5 / - 6 ✓ Closing observed
08-07 19:52 40m -22 / - R2ASD - / - 3 Partial capture
08-07 06:42 20m - / - CT3MD -7 / - 4 Partial capture
08-07 05:59 20m - / -15 TA3NK -13 / - 8 Partial capture
08-06 20:19 40m -9 / - EA7L - / -12 2 ✓ Closing fragment
08-06 19:53 40m -9 / -9 PA3BRB -7 / - 4 ✓ Closing observed
08-06 19:21 40m -8 / - BG5JGG - / -13 3 ✓ Closing fragment
08-06 19:16 40m -6 / - IU8TSR - / - 2 ✓ Closing fragment
08-06 19:11 40m - / - IU8TSR -8 / - 2 Partial capture
08-06 18:50 40m - / - S59A -2 / - 2 ✓ Closing fragment
08-06 18:39 40m -9 / - SP5DFK -11 / -11 2 Partial capture
08-05 20:25 40m -18 / - R4HGK - / - 3 Partial capture
08-05 20:04 40m -18 / - TA1MHS - / -17 2 ✓ Closing fragment
08-05 20:01 40m -21 / -5 UB4HVA -18 / -7 3 ✓ Full exchange observed
08-05 19:50 40m -20 / -8 RV6AVU -6 / - 3 ✓ Closing observed
08-04 11:56 20m - / - DK3HV -14 / - 2 Partial capture
08-03 19:50 40m -14 / - 5Z4VJ - / -15 2 ✓ Closing fragment
08-03 19:32 40m -12 / -10 DL7ET -13 / - 2 ✓ Closing observed

Recent FT8 messages decoded at SO8OO

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

20m 
UTC    dB Audio  Message
143330  -4 2729  R1CF RK6A RR73
144100  +4 1277  R1CF ON4ASV JO11 (x3)
144300 -16 1277  R1CF UA9LKL 73
045745  +2  462  R1CF <...> -07
062000 -16 1964  R9YM R1CF RR73
062930  -4 2800  R1CF XQ1KK -26 (x2)
124345 -19 1204  <...> R1CF KO59 (x2)
124600  -5  453  R1CF <...> -01
124745 -21 1596  <...> R1CF R-09
154800  -9 2038  R1CF BG7BVI -12 (x2)
40m 
UTC    dB Audio  Message
182730  -5  675  R4DB R1CF KO59 (x2)
042115 -17 1412  CQ R1CF KO59
042145 -17 1412  RD4HX R1CF -11 (x2)
042500 -10  341  R1CF OO0O JO11 (x2)
042730 -24 1651  CE1KR R1CF KO59
042730  -5  341  R1CF OO0O JO11 (x2)
042830 -18 1650  UB4HPQ R1CF -14
042830  -4  341  R1CF OO0O JO11
042900 -21 1651  UB4HPQ R1CF -14 (x2)
043015  -8  703  R1CF CE1KR -16
60m 
UTC    dB Audio  Message
201830 -15 1900  R1CF DK7ZT +19 (x3)
160m 
UTC    dB Audio  Message
203645 -11 2169  R1CF SQ4KOU -18 (x2)
204045  +3 1822  R1CF SP6AXW -10 (x2)
204145 -11 1496  R1CF RA3WY KO81 (x4)
204330 -19 2063  CQ R1CF KO59
204345 -10 1496  R1CF RA3WY KO81
204400 -22 2062  CQ R1CF KO59                          a1
204415  -9 1496  R1CF RA3WY KO81
204445  -8  958  R1CF DL4RAQ JN58
10m 
UTC    dB Audio  Message
102300 -14  843  R2DYC R1CF KO59
080545 -12 2133  R1CF RA7Z KN98
080645 +19  738  R1CF 9A2RD JN65 (x3)
081115 -15  928  R1CF A41ZZ -21 (x2)
100845 -11  333  R1CF RJ6ON -06
101300 -13 2155  R1CF R4CR +00 (x2)
101430  +0 1804  R1CF R6BH KN84 (x3)
102130 -12 1454  R1CF R7YZ R-08

Decoder S/N history by band

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