ON4MDW — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Belgium Locator transmitted in a decoded message: JO10

Receiver-side FT8 activity involving ON4MDW, decoded by SO8OO in southeastern Poland. 267 related FT8 messages, 191 CQ messages, observed on 80m, 60m, 40m, 20m, 10m, across 12 UTC dates. Heard between 2026-05-26 and 2026-08-18.

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

267

Related messages

191

CQ messages

UTC dates heard

-17 dB

Mean decoder S/N

Bands

80m 20m 40m 60m 10m

First seen: 2026-05-26
Last seen: 2026-08-18 03:22 UTC

Frequent QSO partners observed at SO8OO

Stations ON4MDW worked most often, as logged from our receiver:

DK5OPA · Fed. Rep. of Germany PA3ADE · Netherlands SP0LPR · Poland DJ2PW · Fed. Rep. of Germany AC8MR · United States DD6MH · Fed. Rep. of Germany G1ZOM · England DO6JSA · Fed. Rep. of Germany RN6MA · European Russia LY2HM · Lithuania DK4BP · Fed. Rep. of Germany DK9BF · Fed. Rep. of Germany

Activity Heatmap

Locator transmitted by ON4MDW

Approximate centre of JO10, decoded 2026-08-18 05:21 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	ON4MDW S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-18 05:13	80m	-21 / -	DO1FZL	-19 / -	4	✓ Closing observed
08-18 05:07	80m	-20 / -	DJ2PW	- / +8	2	✓ Closing fragment
08-18 05:05	80m	-20 / 0	DD6MH	-19 / -7	5	✓ Full exchange observed
08-18 05:02	80m	-15 / -8	HA3HX	-2 / -14	6	✓ Full exchange observed
08-18 04:59	80m	-16 / -2	IQ4JO	-9 / -3	7	✓ Full exchange observed
08-18 04:57	80m	-20 / -	<...>	- / -	4	Partial capture
08-18 04:52	80m	-24 / +4	DO1OAS	-16 / -5	4	✓ Full exchange observed
08-18 04:50	80m	-17 / -	KD4HOU	- / -17	3	✓ Closing fragment
08-18 04:48	80m	-16 / -	AC8MR	- / -13	2	✓ Closing fragment
08-18 04:47	80m	-16 / -	N7JB	- / -	2	Partial capture
08-18 04:46	80m	-14 / -	DO6JSA	-23 / +10	3	✓ Full exchange observed
08-18 04:46	80m	- / +6	DO1OAS	-13 / -	3	Partial capture
08-11 21:33	60m	-21 / -12	EA3FCQ	-13 / -	4	✓ Closing observed
08-11 21:19	60m	-24 / -	LY2HM	-14 / -	3	✓ Closing observed
08-11 21:13	60m	-23 / -4	LY8O	0 / -	6	✓ Full exchange observed
08-11 21:09	60m	-20 / -10	GB8VJ	-12 / +2	4	Partial capture
08-11 21:08	60m	-22 / -	PA3ADE	- / -2	2	✓ Closing fragment
08-11 21:05	60m	-21 / -3	HB9HRR	-15 / +7	3	✓ Full exchange observed
08-11 21:04	60m	-24 / +3	G3UHU	-7 / -	7	✓ Closing observed
08-11 21:03	60m	-20 / -5	SP5JMA	+10 / +3	5	✓ Full exchange observed
07-07 15:53	10m	- / -3	RN6MA	-20 / -	2	✓ Closing fragment
07-06 19:15	10m	-22 / -	DL2RTJ	- / -19	2	✓ Closing fragment
07-06 19:08	10m	-22 / -	M5RJC	- / -4	2	Partial capture
07-06 14:51	10m	-23 / -	MW7FKA	- / -9	2	✓ Closing fragment
06-11 20:55	40m	- / -5	G1ZOM	-13 / -	2	✓ Closing fragment
06-11 20:45	40m	- / -	DK4BP	-6 / -	2	✓ Closing fragment
06-05 22:56	40m	-15 / -	<...>	- / -9	3	Partial capture
05-26 22:18	60m	-21 / -5	M5WJF	0 / -	4	✓ Full exchange observed
05-26 22:03	60m	-20 / -9	II1NAP	-24 / 0	9	✓ Full exchange observed
05-26 22:01	60m	-21 / -4	DL6RS	-2 / -3	7	✓ Full exchange observed
05-26 19:40	60m	-19 / -	EA3KS	- / -12	2	✓ Closing fragment
05-26 19:40	60m	-22 / -9	SP9UOP	-3 / -2	8	✓ Full exchange observed
05-26 19:37	60m	-14 / -	DL4TZ	- / 0	2	✓ Closing fragment
05-26 19:36	60m	-17 / -	ON6CQ	- / -7	2	✓ Closing fragment
05-26 19:31	60m	-12 / -5	IK4CBO	-13 / +5	8	✓ Full exchange observed
05-26 19:29	60m	-14 / -7	SQ7LQT	-15 / -	5	✓ Closing observed
05-26 19:28	60m	-20 / -	DK9BF	- / +4	2	✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

80m

UTC    dB Audio  Message
051215 -21 1952  CQ ON4MDW JO10 (x3)
051330 -18 1952  ON4MDW DO1FZL JO50 (x2)
051415 -21 1952  DO1FZL ON4MDW RR73
051430 -22 1952  ON4MDW DO1FZL 73
051445 -20 1952  CQ ON4MDW JO10                        a1
051545 -23 1952  DK5OPA ON4MDW RR73
051615 -22 1952  CQ ON4MDW JO10 (x5)
052230 -20 1341  ON4MDW DL7FE 73

60m

UTC    dB Audio  Message
214545 -22 1928  CQ ON4MDW JO10 (x15)

10m

UTC    dB Audio  Message
190315 -17 1801  CQ ON4MDW JO10 (x15)

40m

UTC    dB Audio  Message
225645 -16 1904  <...> ON4MDW JO10 (x2)
225745  -9 1905  CQ ON4MDW JO10
225800  -8 2587  ON4MDW E72PT/QRP -16
225815 -14 1905  <...> ON4MDW R-09
225945 -19 1904  CQ ON4MDW JO10
230045 -22 1904  DK0F ON4MDW -25
204415  -7 1577  CQ ON4MDW JO10 (x2)
204500  -8 1746  ON4MDW DK4BP JN58 (x2)
204900 -17 1139  ON4MDW M9KBN 73
205500 -10 1695  ON4MDW G1ZOM R-05 (x2)
200215 -23 1668  CQ ON4MDW JO10

20m

UTC    dB Audio  Message
195415  -5 1693  CQ ON4MDW JO10 (x10)

Decoder S/N history by band

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