GM4JKZ — FT8 activity observed at SO8OO

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

Receiver-side FT8 activity involving GM4JKZ, decoded by SO8OO in southeastern Poland. 74 related FT8 messages, 1 CQ messages, observed on 40m, 20m, across 13 UTC dates. Heard between 2026-05-08 and 2026-07-29.

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

Related messages

CQ messages

UTC dates heard

-10 dB

Mean decoder S/N

Bands

40m 20m

First seen: 2026-05-08
Last seen: 2026-07-29 19:02 UTC

Frequent QSO partners observed at SO8OO

Stations GM4JKZ worked most often, as logged from our receiver:

SP7TF · Poland UR5WDL · Ukraine DK8HC · Fed. Rep. of Germany PE9JAN · Netherlands EG1PLD · Spain R4FDW · European Russia JH8SIT · Japan EA3EDU · Spain R6FX · European Russia UT5MD · Ukraine II0WWA · Italy UT2PC · Ukraine

Activity Heatmap

Locator transmitted by GM4JKZ

Approximate centre of IO85, decoded 2026-08-18 20:06 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	GM4JKZ S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-11 20:52	20m	-7 / -	JH8SIT	- / -6	2	✓ Closing fragment
08-11 20:41	20m	-10 / -	XU7O	- / -17	13	Partial capture
07-29 20:49	40m	-14 / -	TJ1GD/P	- / -11	2	Partial capture
07-09 11:18	20m	-4 / -	R4FDW	- / -9	2	✓ Closing fragment
07-09 11:14	20m	- / -	EA3EDU	-16 / -	2	✓ Closing fragment
07-09 11:14	20m	- / -	F5RRS	0 / -	3	Partial capture
07-09 11:13	20m	-14 / -	TI5RR	- / -19	3	✓ Closing fragment
06-30 20:37	40m	-10 / -16	R6FX	-11 / -	3	✓ Closing observed
06-30 20:36	40m	- / 0	II0WWA	-6 / -	2	✓ Closing fragment
06-30 20:32	40m	-14 / -5	TM8WWA	-16 / -4	4	Partial capture
06-19 20:30	20m	-4 / -	JA7BXS	- / -13	2	✓ Closing fragment
06-19 20:27	20m	-2 / -	BG7ZHS	- / -	3	Partial capture
06-10 19:08	20m	- / -3	VK2LAW	-14 / -	2	Partial capture
06-09 19:49	40m	0 / -	VK6EI	- / -21	7	Partial capture
06-09 19:47	40m	-1 / -	UR5WDL	- / -16	3	✓ Closing fragment
06-09 19:41	20m	+7 / -	UT5MD	-6 / -9	5	✓ Closing observed
06-06 09:48	20m	- / -15	EA3EDU	-6 / -	4	Partial capture
06-04 19:22	20m	0 / -	JA8GWA	- / -	2	Partial capture
06-03 23:38	40m	- / -4	IZ8PPI	-16 / -	2	Partial capture
06-03 23:37	40m	- / -18	DK8HC	-12 / -	5	✓ Closing fragment
06-03 23:36	40m	-1 / -6	TA4INO	-10 / -	4	✓ Closing observed
06-02 06:48	40m	- / -	DL7ACA	+5 / -	3	Partial capture
06-02 06:47	40m	-12 / -9	HB10GBT	0 / -2	4	Partial capture
06-02 06:43	40m	- / -	PD0WL	-18 / -	8	Partial capture
06-02 06:26	40m	-14 / -	OJ0Z	- / -7	2	Partial capture

Recent FT8 messages decoded at SO8OO

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

40m

UTC    dB Audio  Message
203300 -14  696  TM8WWA GM4JKZ R-04
203315 -16 1199  GM4JKZ TM8WWA RRR
203630  -7  617  GM4JKZ II0WWA +00 (x2)
203730 -11  638  GM4JKZ R6FX LN14 (x2)
203845 -10  638  R6FX GM4JKZ RR73
204945 -14  817  TJ1GD/P GM4JKZ IO85 (x2)
205215 -14  818  SP7TF GM4JKZ 73
205515 -12  818  UB6LLI GM4JKZ -13
205815 -11  818  CQ GM4JKZ IO85                        a1
210200 -24 1732  GM4JKZ I5JHW/QRP R-07
210215 -10  818  TJ1GD/P GM4JKZ -14
200645 -20 1475  UT5ZC GM4JKZ IO85

20m

UTC    dB Audio  Message
204145 -12 1034  XU7O GM4JKZ IO85 (x13)
205200  -8  709  JH8SIT GM4JKZ R-06 (x2)

Decoder S/N history by band

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