GM4CAQ — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Scotland Locator transmitted in a decoded message: IO85

Receiver-side FT8 activity involving GM4CAQ, decoded by SO8OO in southeastern Poland. 139 related FT8 messages, 15 CQ messages, observed on 40m, 20m, 10m, across 10 UTC dates. Heard between 2026-06-11 and 2026-08-22.

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

139
Related messages
15
CQ messages
10
UTC dates heard
-6 dB
Mean decoder S/N

Bands

First seen: 2026-06-11
Last seen: 2026-08-22 13:47 UTC

Activity Heatmap

Locator transmitted by GM4CAQ

Approximate centre of IO85, decoded 2026-08-22 06:59 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 UTCBandGM4CAQ S/NCounterpartCounterpart S/NMsgsCapture
08-22 15:45 20m - / -20 DG5PW +6 / - 5 Partial capture
08-22 13:36 10m - / - ON6PL -16 / - 2 Partial capture
08-22 08:51 20m - / -10 PD7RF -9 / - 3 ✓ Closing fragment
08-22 05:08 20m -15 / -12 CT3MD -2 / +6 4 ✓ Full exchange observed
08-21 20:27 20m +2 / - 8A2KOF - / -9 9 Partial capture
08-21 19:47 20m -8 / -13 R1ZDG -5 / +7 3 ✓ Full exchange observed
08-21 12:06 20m - / -21 OK2CNI +10 / - 6 Partial capture
08-21 08:42 20m - / - DL1R +2 / - 8 Partial capture
08-20 17:03 20m -12 / -16 EC3A -4 / -12 6 ✓ Full exchange observed
08-08 17:28 40m - / -16 DL5YCL -20 / - 3 Partial capture
08-07 22:23 40m - / -10 DH5BM -3 / - 4 ✓ Closing fragment
08-07 22:20 40m - / -23 IU2PKC -8 / - 2 Partial capture
08-07 22:12 40m - / -22 DP6K/P +2 / - 4 ✓ Closing fragment
08-07 22:10 40m - / -24 DF8RU -2 / - 3 ✓ Closing fragment
08-07 21:52 40m - / -12 R2EN -20 / - 2 ✓ Closing fragment
08-07 21:28 40m - / -12 YO6LM -10 / - 3 ✓ Closing fragment
08-07 21:23 40m - / -15 IZ8DBJ -15 / - 3 ✓ Closing fragment
08-07 21:21 40m - / -18 DL1RAZ -4 / - 3 ✓ Closing fragment
08-07 21:11 40m - / - DL1RAZ -2 / - 7 Partial capture
08-07 20:53 40m - / - DF8RU -6 / - 4 Partial capture
08-07 20:31 40m - / -15 DB9LG +1 / - 3 ✓ Closing fragment
08-07 20:19 40m - / - LY1DY -6 / - 3 ✓ Closing fragment
08-07 18:56 40m - / -21 DL1IP -11 / - 3 ✓ Closing fragment
08-07 18:42 40m - / -14 ON5RJ -12 / - 2 Partial capture
08-07 16:09 40m - / -11 DA1ST +2 / - 2 Partial capture
08-07 16:04 40m - / - DL8DCM -14 / - 2 ✓ Closing fragment
08-03 07:50 20m - / -12 WJ2D -13 / - 3 ✓ Closing fragment
07-30 11:38 10m - / -16 F1PBZ -4 / - 2 Partial capture
07-30 08:00 20m - / +10 DL6EL -14 / - 2 Partial capture
07-30 07:23 20m - / -24 9A2LM +6 / - 2 Partial capture
07-30 07:23 20m - / -15 EA6C -20 / - 2 Partial capture
07-06 10:48 20m - / -9 PD1ACS -14 / - 3 ✓ Closing fragment
06-17 14:39 20m - / - F5IXN +10 / - 2 Partial capture
06-11 07:21 20m - / +6 G5MJF -12 / - 5 Partial capture
06-11 07:17 20m - / -23 9A5AZK -4 / - 2 Partial capture

Recent FT8 messages decoded at SO8OO

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

20m
UTC    dB Audio  Message
050645 -19  785  CQ GM4CAQ IO85
050800  +0  983  GM4CAQ CT3MD IM13
050815 -15  787  CT3MD GM4CAQ +06
050830  -3  982  GM4CAQ CT3MD R-12 (x2)
052200 -21 1930  GM4CAQ F4BHK 73
065915  -2  542  XQ1KK GM4CAQ IO85
085130 -10 3030  GM4CAQ PD7RF -10 (x3)
154500  +9 2669  GM4CAQ DG5PW R-20 (x5)
10m
UTC    dB Audio  Message
082900  -1 2320  GM4CAQ IQ4JO JN63
125830 -13  697  GM4CAQ DB5HA R-11
113815  -3 2731  GM4CAQ F1PBZ -16 (x2)
094930 -22 1592  GM4CAQ DN9JGL -15
133600 -16 1188  GM4CAQ ON6PL JO10 (x2)
40m
UTC    dB Audio  Message
221115  -3 1540  GM4CAQ DF8RU R-24 (x2)
221245  +2 1239  GM4CAQ DP6K/P JO50 (x4)
222045  -8 2592  GM4CAQ IU2PKC R-23 (x2)
222315  +0 2592  GM4CAQ DH5BM JO41 (x4)
172815 -21 1372  GM4CAQ DL5YCL R-16 (x3)

Decoder S/N history by band

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