CR7BUJ — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Portugal Locator transmitted in a decoded message: IM58

Receiver-side FT8 activity involving CR7BUJ, decoded by SO8OO in southeastern Poland. 8,094 related FT8 messages, 5,249 CQ messages, observed on 160m, 80m, 60m, 40m, 20m, 10m, across 82 UTC dates. Heard between 2026-05-26 and 2026-08-24.

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.

FT8DB and SO8OO WebSDR are a hobby project maintained solo. ☕ Buy me a coffee

Overview

8,094
Related messages
5,249
CQ messages
82
UTC dates heard
-11 dB
Mean decoder S/N

Bands

80m 20m 40m 60m 10m 160m
First seen: 2026-05-26
Last seen: 2026-08-24 00:14 UTC

Frequent QSO partners observed at SO8OO

Stations CR7BUJ worked most often, as logged from our receiver:

Activity Heatmap

Locator transmitted by CR7BUJ

Approximate centre of IM58, decoded 2026-08-24 02:14 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 UTCBandCR7BUJ S/NCounterpartCounterpart S/NMsgsCapture
08-24 00:17 20m - / -14 CE1JS -16 / - 3 Partial capture
08-24 00:11 20m -6 / - AC1OR - / -13 2 ✓ Closing fragment
08-24 00:02 20m +6 / - KC8KCM - / -16 2 ✓ Closing fragment
08-23 23:48 20m -2 / - UR5WCS - / -14 2 Partial capture
08-23 23:45 20m +2 / - LU1HH -22 / -8 9 ✓ Full exchange observed
08-23 23:40 20m +2 / - KC1WSJ - / -14 2 ✓ Closing fragment
08-23 23:21 20m 0 / - KV0F - / -16 3 ✓ Closing fragment
08-23 23:14 20m +8 / - LU3ESG - / -15 2 ✓ Closing fragment
08-23 23:02 20m -4 / - BG7OCS - / -3 2 ✓ Closing fragment
08-23 23:00 20m -4 / - KE2CUR - / -11 3 ✓ Closing fragment
08-23 22:58 20m -7 / - N0MTV - / -16 2 ✓ Closing fragment
08-23 22:51 20m -4 / - BG7KEO - / -14 4 Partial capture
08-23 22:46 20m -5 / - K2RY -19 / -11 4 ✓ Closing observed
08-23 22:44 20m -6 / - VE3NVK - / -4 3 Partial capture
08-23 22:42 20m -9 / - 8P6GE - / - 3 Partial capture
08-23 22:41 20m -5 / +9 CT2HEX -4 / -1 5 ✓ Full exchange observed
08-23 22:39 20m -13 / - BU2FW - / - 3 Partial capture
08-23 14:07 20m -10 / -23 DF2JW/P -6 / -16 9 ✓ Full exchange observed
08-23 13:54 20m -12 / - EA8AID - / -12 3 Partial capture
08-23 13:48 20m -10 / - SP5RFL - / -18 3 Partial capture
08-23 13:01 20m -14 / - LA3SHA - / -15 3 Partial capture
08-23 12:40 20m -17 / -19 OE5WRO -7 / - 2 ✓ Closing observed
08-23 11:59 20m -14 / - KC3JEQ - / - 4 ✓ Closing fragment
08-23 11:55 20m -13 / -16 MM0CEZ -5 / -10 4 ✓ Full exchange observed
08-23 11:44 20m - / -2 LX1MDA/P -6 / - 2 ✓ Closing fragment
08-23 11:38 20m - / -4 DB3WS -14 / - 2 Partial capture
08-22 17:10 20m - / - M9NTS -1 / - 2 Partial capture
08-22 16:35 20m -13 / - F4HJN/P - / -12 2 ✓ Closing fragment
08-22 16:29 20m -5 / - DF5CU -4 / - 3 ✓ Closing observed
08-22 16:24 20m -14 / - G6GEV - / - 2 ✓ Closing fragment
08-22 16:21 20m - / - M9LGG -8 / - 2 Partial capture
08-22 16:17 20m -18 / - DL8DH +3 / - 3 ✓ Closing observed
08-22 16:16 20m -18 / - M0GUO - / -9 2 ✓ Closing fragment
08-22 16:11 20m -17 / -9 IK4LZH -14 / - 3 ✓ Closing observed
08-22 16:08 20m - / - G4FHL -1 / - 3 ✓ Closing fragment
08-22 16:07 20m - / -10 M0CTI -6 / - 3 ✓ Closing fragment
08-22 16:04 20m -3 / - G7LHK - / -13 2 ✓ Closing fragment
08-22 15:48 20m - / -6 F4IVG +4 / - 3 ✓ Closing fragment
08-22 15:48 20m -16 / - OE8DGG/P - / -18 2 Partial capture
08-22 11:04 20m - / -13 TA3NK -8 / - 2 Partial capture
08-22 10:43 20m - / - DL1MST -3 / - 2 ✓ Closing fragment
08-22 10:42 20m - / -12 DL6ZOG +4 / - 2 ✓ Closing fragment
08-22 09:26 20m - / -5 M0YWA -6 / - 5 ✓ Closing fragment
08-22 09:25 20m - / - IW5ALZ -2 / - 2 Partial capture
08-22 09:14 20m - / -14 LZ1FBI -3 / - 4 ✓ Closing fragment
08-22 06:40 20m - / - R6LKG -14 / - 2 Partial capture
08-22 06:23 20m - / - IW5ALZ -10 / - 2 Partial capture
08-22 06:06 20m - / -16 VK7AC -8 / - 24 Partial capture
08-22 06:00 20m -8 / - W5BE - / -18 2 Partial capture
08-22 05:42 20m -10 / 0 IW5ALZ -12 / - 4 ✓ Closing observed

Recent FT8 messages decoded at SO8OO

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

20m 
UTC    dB Audio  Message
001300 -13 1172  CQ CR7BUJ IM58 (x10)
001745 -16 1172  CR7BUJ CE1JS FG46 (x3)
012330 -22 1173  CQ CR7BUJ IM58                        a1 (x2)
40m 
UTC    dB Audio  Message
211815  +4 2725  CR7BUJ DK5UR RR73
203400 -14 1181  CR7BUJ SE2P KP04 (x2)
224545 -17 1754  CR7BUJ UT7IA KN88 (x8)
225245  -9  439  CR7BUJ IK4LZH R-08
225345 -16 1145  CR7BUJ DM2BM JO54
182845 -10 1096  CR7BUJ DL5ASK -09
231515 -15 1185  UN7LEW CR7BUJ IM58
10m 
UTC    dB Audio  Message
164600 -12 1107  CR7BUJ DB7QE R+02 (x2)
213800 -13 1358  CR7BUJ DN9CHV JO31 (x8)
214630 -13 1295  CR7BUJ HB3YQY -08 (x2)
154300 -17 2387  CR7BUJ SV1PLR KM17 (x3)
80m 
UTC    dB Audio  Message
214615  -3 1007  CR7BUJ TM2WWA -10 (x2)
215945 +13  311  CR7BUJ HB9EFK -19 (x3)
220700 -24 1551  CR7BUJ MW0BYS -16 (x2)
221030  -4 2156  CR7BUJ TF4M -11 (x2)
221130 -11 2156  CR7BUJ RR73; DK4CN <...> +00
213330 -13 1732  CR7BUJ CR5VP -08 (x3)
201945 -10 1027  CR7BUJ CT3MD -12
203045 -14 1495  CR7BUJ CT2JMP 73
160m 
UTC    dB Audio  Message
190430  +2 2556  CR7BUJ SQ9DJQ -06 (x8)
60m 
UTC    dB Audio  Message
210200 -18 1533  CR7BUJ DK7ZT -17 (x2)
211845  -6 1442  CR7BUJ ON7GB JO21 (x2)

Decoder S/N history by band

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