GM4GZW — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Scotland Locator transmitted in a decoded message: IO86

Receiver-side FT8 activity involving GM4GZW, decoded by SO8OO in southeastern Poland. 199 related FT8 messages, 25 CQ messages, observed on 160m, 80m, 60m, 10m, across 3 UTC dates. Heard between 2026-08-10 and 2026-08-12.

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

199

Related messages

CQ messages

UTC dates heard

-2 dB

Mean decoder S/N

Bands

80m 60m 10m 160m

First seen: 2026-08-10
Last seen: 2026-08-12 21:19 UTC

Frequent QSO partners observed at SO8OO

Stations GM4GZW worked most often, as logged from our receiver:

GB8VJ · England ×2 OO0O · Belgium ×2 ON7GB · Belgium ×2 RN6HK · European Russia ×2 RO2X · European Russia HB9RB · Switzerland F5MYK · France EA8BBJ · Canary Islands DD6ZV · Fed. Rep. of Germany SP1MGM · Poland EA7AH · Spain TF4CU · Iceland

Activity Heatmap

Locator transmitted by GM4GZW

Approximate centre of IO86, decoded 2026-08-12 23:19 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 UTC	Band	GM4GZW S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-12 23:19	80m	+6 / -	M7GOA	- / -15	7	Partial capture
08-12 23:16	80m	+3 / +2	SP1MGM	+19 / -	5	✓ Closing observed
08-12 23:15	80m	0 / -	HB9MZI	-14 / -1	4	✓ Closing observed
08-12 23:12	80m	-2 / +2	DO2KMB	+8 / -	5	✓ Full exchange observed
08-12 23:11	80m	0 / 0	R8PD	-17 / -15	5	✓ Full exchange observed
08-12 23:09	80m	-11 / -14	RN6HK	+11 / -	6	✓ Full exchange observed
08-12 23:08	80m	-2 / -1	RO2X	+7 / +9	8	✓ Full exchange observed
08-12 23:08	80m	- / -	IK2TPX	-1 / -	3	Partial capture
08-12 23:08	80m	-3 / -4	IQ4JO	+3 / +9	5	✓ Full exchange observed
08-12 23:05	160m	- / -	OM2WQ	+8 / -	3	Partial capture
08-12 22:50	160m	- / -11	PA3FR	+4 / -	4	✓ Closing fragment
08-12 22:07	60m	-2 / -3	DL7GP	-6 / -	8	✓ Full exchange observed
08-12 22:05	60m	-2 / -11	HA7TM	+19 / -	5	✓ Full exchange observed
08-12 21:53	60m	-2 / -	9J2FI	- / -	10	Partial capture
08-11 22:57	80m	+14 / -2	DL1CC	+4 / -	6	✓ Full exchange observed
08-11 22:53	80m	+11 / -	OO0O	-16 / -7	4	✓ Closing observed
08-11 22:53	80m	+9 / -5	IU5HIU	-5 / -14	5	✓ Full exchange observed
08-11 22:51	80m	+14 / -6	IZ5MMT	+2 / -	5	✓ Closing observed
08-11 22:50	80m	- / -17	R3SE	-20 / -	2	✓ Closing fragment
08-11 22:49	80m	- / -	HA7TM	+20 / -	2	Partial capture
08-11 22:47	80m	+9 / -	MI7JQH	- / -	2	✓ Closing fragment
08-11 22:46	80m	- / +6	GB8VJ	-14 / -	3	✓ Closing fragment
08-11 22:46	80m	+10 / -	ON4MAP	-12 / +7	5	✓ Full exchange observed
08-11 22:43	80m	+4 / -1	DO8JB	+7 / -	3	✓ Full exchange observed
08-11 22:41	80m	+7 / +2	IK4LZH	-15 / +6	6	✓ Full exchange observed
08-11 22:40	80m	+11 / +10	DO5UH/P	-3 / +10	6	✓ Full exchange observed
08-11 22:40	80m	- / -11	R3ZBY	-20 / -	5	Partial capture
08-11 22:40	80m	+9 / -2	DK1MCS	-4 / +6	4	✓ Full exchange observed
08-11 22:35	80m	0 / -	EA7AH	- / -1	2	✓ Closing fragment
08-11 22:30	80m	0 / -	9J2FI	- / -	7	Partial capture
08-11 22:26	80m	+4 / -	<...>	- / -	2	Partial capture
08-11 22:22	80m	+4 / +9	TF4M	+3 / -	5	✓ Full exchange observed
08-11 22:03	60m	+2 / 0	HB9RB	-2 / -	5	✓ Full exchange observed
08-11 21:58	60m	0 / +4	DD6ZV	+10 / -	5	✓ Full exchange observed
08-11 21:56	60m	-3 / +2	LY2HM	-12 / +7	6	✓ Full exchange observed
08-11 21:55	60m	-4 / -	DK2DB	+3 / -	5	✓ Full exchange observed
08-11 21:53	60m	-2 / -	OO0O	- / -5	2	✓ Closing fragment
08-11 21:51	60m	-4 / -4	DL6RS	-11 / -1	7	✓ Full exchange observed
08-11 21:50	60m	-2 / +8	DL1FLW	-3 / +4	5	✓ Full exchange observed
08-11 21:50	60m	-1 / -	G0AZH	-5 / -	6	✓ Full exchange observed
08-11 21:49	60m	- / -	DD6ZV	+6 / -	2	Partial capture
08-11 21:42	60m	-4 / -5	SP5JMA	+11 / -4	5	✓ Full exchange observed
08-11 21:41	60m	-4 / -11	YL3NE	-9 / -11	6	✓ Full exchange observed
08-11 21:36	60m	-4 / -6	SP6NIV	-1 / +4	8	✓ Full exchange observed
08-11 21:31	60m	-4 / -	MI0NUM	- / +4	3	✓ Closing fragment
08-11 21:29	60m	-5 / -	TF4CU	- / -3	2	✓ Closing fragment
08-11 21:28	60m	-6 / +6	DL7ARV	+1 / -	5	✓ Full exchange observed
08-11 21:26	60m	-4 / -6	LY8O	0 / -	5	✓ Full exchange observed
08-11 21:23	60m	-4 / -	GB8VJ	-12 / -	3	✓ Closing observed
08-11 21:22	60m	-4 / -4	YO6LM	0 / -3	4	✓ Full exchange observed

Recent FT8 messages decoded at SO8OO

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

80m

UTC    dB Audio  Message
231630 +22  595  GM4GZW SP1MGM JO73
231645  +3  595  CQ GM4GZW IO86
231700 +21  595  GM4GZW SP1MGM JO73 (x2)
231745  +3  595  SP1MGM GM4GZW RR73
231800 +18  595  GM4GZW SP1MGM 73
231845  +7  595  CQ GM4GZW IO86 (x2)
231945  +5  595  M7GOA GM4GZW -15 (x7)

160m

UTC    dB Audio  Message
222730  -8 2551  GM4GZW F1PBZ -17
222930  -7 2799  GM4GZW G8GNI R-15
225000  +5 1409  GM4GZW PA3FR JO33 (x4)
230530  +9 1752  GM4GZW OM2WQ JN88 (x3)

60m

UTC    dB Audio  Message
215730  -1  624  9J2FI GM4GZW IO86 (x2)
220545  -3  625  HA7TM GM4GZW IO86
220600 +18  624  GM4GZW HA7TM -11
220615  -3  624  HA7TM GM4GZW R+26
220630 +20  625  GM4GZW HA7TM RR73
220645  -1  625  HA7TM GM4GZW 73
220700 -11 1829  GM4GZW DL7GP JO52 (x4)
220845  -2  624  DL7GP GM4GZW +19
220900  -8 1829  GM4GZW DL7GP R-03
220915  -2  624  DL7GP GM4GZW RR73
220930  -4 1829  GM4GZW DL7GP 73

10m

UTC    dB Audio  Message
082545 -20 1343  GM4GZW CR5VP +10
082645 -20 1663  GM4GZW EB3JT JN01 (x4)

20m

UTC    dB Audio  Message
080600 -15  927  CR5VP GM4GZW IO86 (x6)
081200 -19 1064  RA0SCA GM4GZW -02
081430  -8 1064  CR5VP GM4GZW IO86 (x8)

Decoder S/N history by band

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