F4JCU — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: France Locator transmitted in a decoded message: JN16

Receiver-side FT8 activity involving F4JCU, decoded by SO8OO in southeastern Poland. 619 related FT8 messages, 77 CQ messages, observed on 80m, 60m, 40m, 20m, 10m, across 61 UTC dates. Heard between 2026-05-25 and 2026-08-23.

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

619
Related messages
77
CQ messages
61
UTC dates heard
-8 dB
Mean decoder S/N

Bands

80m 20m 60m 40m 10m
First seen: 2026-05-25
Last seen: 2026-08-23 11:26 UTC

Frequent QSO partners observed at SO8OO

Stations F4JCU worked most often, as logged from our receiver:

Activity Heatmap

Locator transmitted by F4JCU

Approximate centre of JN16, decoded 2026-08-23 16:33 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 UTCBandF4JCU S/NCounterpartCounterpart S/NMsgsCapture
08-23 16:32 20m 0 / - <...> - / -11 5 Partial capture
08-23 15:02 10m -22 / - <...> - / - 2 Partial capture
08-23 13:26 20m - / - F5CUN +4 / - 2 Partial capture
08-23 13:23 20m - / -15 EN35UKR -1 / - 3 ✓ Closing fragment
08-23 13:23 20m +8 / - <...> - / -12 2 Partial capture
08-23 09:02 20m +3 / - F5OYA/P - / -21 7 Partial capture
08-23 08:26 20m +7 / - <...> - / - 4 Partial capture
08-23 01:55 20m -4 / - K8JKU - / - 5 Partial capture
08-23 01:48 20m 0 / - WP4QEC - / - 2 Partial capture
08-22 18:51 20m -4 / - <...> - / - 2 Partial capture
08-22 08:02 20m -5 / - II7MGXX - / - 4 Partial capture
08-22 07:46 20m -3 / - II7MGXX - / - 5 Partial capture
08-22 07:39 20m -4 / - <...> - / -19 4 Partial capture
08-22 07:25 20m -2 / - <...> - / - 4 Partial capture
08-22 06:10 20m 0 / - <...> - / - 4 Partial capture
08-22 05:14 20m +4 / - II7MGBR - / - 9 Partial capture
08-22 05:08 20m -2 / - II7MGBT - / - 9 Partial capture
08-22 05:04 20m -4 / - <...> - / -13 4 Partial capture
08-22 05:00 20m -5 / - <...> - / -7 5 Partial capture
08-22 02:15 20m -2 / - KD4SN - / - 4 Partial capture
08-22 02:12 20m +1 / - N2BJ - / 0 3 ✓ Closing fragment
08-22 02:08 20m -4 / - W4DR - / -5 3 ✓ Closing fragment
08-22 00:59 40m -14 / -21 II7MGML -11 / - 6 Partial capture
08-21 19:08 80m -20 / -13 II7MGXX -18 / - 3 Partial capture
08-21 18:51 60m -16 / - <...> - / -12 2 Partial capture
08-21 15:27 20m -6 / - <...> - / -7 2 Partial capture
08-21 08:35 10m -12 / - <...> - / +3 4 Partial capture
08-21 05:57 20m -6 / - EN35UKR - / -7 2 Partial capture
08-21 05:22 20m -4 / - II7MGBR - / -6 6 Partial capture
08-21 05:17 20m -6 / - <...> - / -16 2 Partial capture
08-21 04:27 40m -19 / - IR7MGGC - / +6 2 Partial capture
08-21 04:22 80m -16 / -1 DL70ESSEN -12 / -15 3 Partial capture
08-20 19:06 20m +7 / - <...> - / - 6 Partial capture
08-20 18:59 20m +9 / - AO25FDM - / -16 5 Partial capture
08-20 18:54 20m +9 / - AO25FDM - / - 2 Partial capture
08-20 05:53 20m -10 / - XE1YD - / -15 3 ✓ Closing fragment
08-20 05:18 20m -9 / - VK2SMP - / - 2 Partial capture
08-20 04:01 20m -18 / - ZL3NLA - / - 4 Partial capture
08-20 00:46 20m -16 / - CE3RKW - / - 2 Partial capture
08-19 23:39 20m -11 / - <...> - / - 4 Partial capture
08-19 18:00 20m -2 / - <...> - / - 5 Partial capture
08-19 14:04 10m -4 / - <...> - / -9 4 Partial capture
08-16 08:17 20m -7 / - <...> - / -14 3 Partial capture
08-15 23:18 80m -10 / - <...> - / -5 3 Partial capture
08-15 22:58 80m - / - TF3VS 0 / - 2 ✓ Closing fragment
08-15 14:02 20m -2 / -4 CR5VP -19 / -15 8 ✓ Full exchange observed
08-15 13:45 20m 0 / - <...> - / -8 2 Partial capture
08-15 13:01 20m -9 / - CR5VP - / - 2 Partial capture
08-15 08:56 20m -5 / - CT1END/P - / - 4 Partial capture
08-15 08:50 20m -5 / - CT1END/P - / - 5 Partial capture

Recent FT8 messages decoded at SO8OO

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

20m 
UTC    dB Audio  Message
090415  +2 1549  F5OYA/P F4JCU JN16 (x3)
132330  +8 1548  <...> F4JCU JN16
132345  -4  922  F4JCU EN35UKR -15 (x2)
132430  +7 1548  <...> F4JCU R-12
132445  +0  922  F4JCU EN35UKR RR73
132615  +3  447  F4JCU F5CUN JN26 (x2)
163200  +8 1553  <...> F4JCU JN16 (x5)
10m 
UTC    dB Audio  Message
160215 -21 1525  CR5VP F4JCU R-04
090400 -17 1532  <...> F4JCU JN16 (x11)
083730  +4 1252  F4JCU RR73; IK8TMF <...> -06
150200 -19 1531  <...> F4JCU JN16 (x2)
80m 
UTC    dB Audio  Message
231930  +1 1402  F4JCU POTA/DO9REF -05
231945  -8 1494  <...> F4JCU R-05
232345  -3 1494  R9CB F4JCU JN16
041915 -19 1497  DL70ESSEN F4JCU JN16 (x2)
042300 -12 1498  F4JCU DL70ESSEN -01
042315 -16 1497  DL70ESSEN F4JCU R-15
181915 +12  935  F4JCU II7MGBA -16
183430 +14  869  F4JCU UF4S/P -13
190800 -20 1495  II7MGXX F4JCU JN16 (x2)
190845 -18 1803  F4JCU II7MGXX -13
011815  +1 2030  F4JCU II7MGBT -01
011830 -21 1497  <...> F4JCU R-13
185845  -6 1402  F4JCU II7MGBA -11
40m 
UTC    dB Audio  Message
042630 -17 1531  <...> F4JCU JN16
042645 -22 2065  F4JCU EN35UKR -15
043645 -24 1529  <...> F4JCU JN16
033700 -20 1526  CR5VP F4JCU R-07 (x3)
042745 -19 1525  IR7MGGC F4JCU JN16
042800  -7 2065  F4JCU II7MGBT -02
042815 -19 1525  IR7MGGC F4JCU R+06
005900 -13 1528  II7MGML F4JCU JN16 (x3)
010045  -8 1033  F4JCU II7MGML -21 (x2)
010200 -16 1527  II7MGML F4JCU JN16
60m 
UTC    dB Audio  Message
191915 -12 2215  F4JCU SQ8AA KN19 (x7)
042530 -18 1521  IQ7KJ F4JCU R-03
042545  -9 1521  F4JCU IQ7KJ RR73
042600 -13 1521  IQ7KJ F4JCU 73
053815 -17 1233  F4JCU F1GTU JN05 (x2)
053930 -19 1788  F4JCU TM21TFR +03
185115 -16 1520  <...> F4JCU JN16 (x2)

Decoder S/N history by band

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