ON5UN — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Belgium Locator transmitted in a decoded message: JO11

Receiver-side FT8 activity involving ON5UN, decoded by SO8OO in southeastern Poland. 865 related FT8 messages, 439 CQ messages, observed on 80m, 60m, 40m, 20m, 10m, across 36 UTC dates. Heard between 2026-05-29 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.

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Overview

865

Related messages

439

CQ messages

UTC dates heard

-7 dB

Mean decoder S/N

Bands

80m 20m 40m 60m 10m

First seen: 2026-05-29
Last seen: 2026-08-22 10:07 UTC

Frequent QSO partners observed at SO8OO

Stations ON5UN worked most often, as logged from our receiver:

IN3IZQ · Italy ×2 G0AZH · England ×2 DL9KM · Fed. Rep. of Germany ×2 TA2EE · Asiatic Turkey ×2 DB5HA · Fed. Rep. of Germany ×2 SP5EXA · Poland ×2 R5AV · European Russia ×2 K9STL · United States EC3A · Spain IU4QRO · Italy UT7UJ · Ukraine IZ7BAR · Italy

Activity Heatmap

Locator transmitted by ON5UN

Approximate centre of JO11, decoded 2026-08-22 12:07 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	ON5UN S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-22 12:04	10m	-20 / -	GM3DGD	- / +2	2	✓ Closing fragment
08-22 12:03	10m	-14 / -	G0AZH	- / -9	2	✓ Closing fragment
08-22 12:00	10m	- / -	IK2YYO	-16 / -	4	✓ Closing fragment
08-21 16:55	20m	- / -8	F1PPH	-15 / -	6	✓ Closing fragment
08-21 16:50	20m	- / -	DL1UDO	-7 / -	3	Partial capture
08-18 22:09	80m	+2 / -	OE9RWH	-6 / -3	5	✓ Full exchange observed
08-18 22:08	80m	+2 / 0	ON6CQ	-21 / -8	5	✓ Full exchange observed
08-18 22:07	80m	+9 / -15	YT1DDL	-5 / -	4	✓ Closing observed
08-18 22:05	80m	+11 / +8	2E0ROJ	-16 / -7	4	✓ Full exchange observed
08-18 22:03	80m	+9 / -	D2UY	- / -5	3	✓ Closing fragment
08-18 20:28	80m	- / -11	DO1TEM	-14 / -	2	Partial capture
08-18 20:28	80m	- / -	E79KO	+5 / -	3	Partial capture
08-18 20:24	40m	-16 / -4	HA7TM	-2 / -1	4	✓ Full exchange observed
08-18 20:22	40m	-12 / -	HB9RBV	- / -12	2	✓ Closing fragment
08-18 20:20	40m	-8 / -	DB5HA	- / -16	2	✓ Closing fragment
08-18 20:19	40m	-7 / -	IU5VLR	- / -9	2	✓ Closing fragment
08-18 20:17	40m	-8 / -	SP5TAE	- / -14	2	✓ Closing fragment
08-18 20:12	40m	-11 / -3	DL1MST	-6 / -17	7	✓ Full exchange observed
08-18 20:11	40m	-6 / -	IN3IZQ	- / -7	2	✓ Closing fragment
08-18 20:11	40m	- / -	PF1B	-16 / -	2	Partial capture
08-18 20:10	40m	-5 / -	BD7OH	- / -20	2	✓ Closing fragment
08-18 20:07	40m	-8 / -	EA7GUM	- / -4	2	✓ Closing fragment
08-18 20:06	40m	-10 / -	BG7BVI	- / -13	2	✓ Closing fragment
08-18 20:05	40m	-13 / -	F1IQH	- / -5	2	✓ Closing fragment
08-17 22:11	20m	-14 / -	BH4ECL	- / -17	2	Partial capture
08-10 09:56	10m	-6 / -	ZS4L	- / -10	2	Partial capture
08-08 23:13	80m	-2 / -	TA3JOH	- / -19	4	Partial capture
08-08 23:10	80m	-4 / -	UA9SY	- / -12	4	✓ Closing fragment
08-08 23:08	80m	-2 / -	R5AV	+7 / -12	3	✓ Closing observed
08-08 23:05	80m	-13 / -	SP1ZMO	+6 / -12	5	Partial capture
08-08 23:05	80m	-7 / -	DO5PY	- / -6	3	✓ Closing fragment
08-08 15:04	20m	- / -	DL1UDO	+3 / -	2	Partial capture
08-08 13:32	20m	-9 / -	SV5BYP	-20 / -9	3	✓ Closing observed
08-08 13:26	20m	-11 / -	CT1BFP	- / -4	2	✓ Closing fragment
08-08 13:22	20m	-1 / -	VE2FVV	- / -16	2	✓ Closing fragment
08-05 23:03	80m	-2 / -7	EA2DYB	-2 / -2	5	✓ Full exchange observed
08-05 22:56	80m	-5 / 0	<...>	-3 / -10	4	Partial capture
08-05 22:51	80m	-8 / -	YB5QZ	- / -15	6	✓ Closing fragment
08-05 22:49	80m	-1 / +3	LB7ZG	0 / 0	2	Partial capture
08-05 22:48	80m	0 / -3	RC6OD	+4 / +3	4	✓ Full exchange observed
08-05 22:40	80m	+4 / -1	YO6BGT	+2 / -3	4	✓ Full exchange observed
08-05 22:36	80m	+1 / -	M7GOA	- / -21	3	✓ Closing fragment
08-05 22:33	80m	-2 / -	IZ7BAR	- / -12	2	✓ Closing fragment
08-05 22:30	80m	-1 / +8	DL1UDO	-14 / +3	5	✓ Full exchange observed
08-05 22:28	80m	0 / -4	DL4DP	-10 / -6	5	✓ Full exchange observed
08-05 22:17	80m	0 / 0	DO1TLP	-4 / -2	4	✓ Full exchange observed
08-05 22:15	80m	0 / -	DO4HHK	- / -11	2	✓ Closing fragment
08-05 22:10	80m	+6 / -8	TA1MHS	-18 / -15	5	✓ Full exchange observed
08-05 22:09	80m	0 / 0	Z62NS	+12 / -	3	✓ Closing observed
08-05 22:05	80m	-6 / -11	RC6OU	+8 / 0	6	✓ Full exchange observed

Recent FT8 messages decoded at SO8OO

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

10m

UTC    dB Audio  Message
095600  -6  652  ZS4L ON5UN -10 (x2)
120045 -17 1683  ON5UN IK2YYO JN55 (x4)
120230 -21 1901  CQ ON5UN JO11
120300 -17 1901  G0AZH ON5UN -09 (x2)
120430 -15 1901  GM3DGD ON5UN +02 (x2)
120600 -20 1901  CQ ON5UN JO11
120615 -17 1593  ON5UN DN9OPA JN38
120630 -21 1901  OZ1PDE ON5UN +05
120745 -23 1900  CQ ON5UN JO11

20m

UTC    dB Audio  Message
165015 -10 2472  ON5UN DL1UDO JO31 (x3)
165515 -17  662  ON5UN F1PPH JN07
165600  -4  663  CQ ON5UN JO11
165615 -14  663  ON5UN F1PPH JN07 (x5)
230930  -7 1003  CQ ON5UN JO11 (x4)
231145 +13 1002  ON5UN DL1AN JN49

80m

UTC    dB Audio  Message
220700  -5  880  ON5UN YT1DDL KN04 (x2)
220745  +9  879  YT1DDL ON5UN RR73
220800 -23 1567  ON5UN ON6CQ JO11
220800  -4  880  ON5UN YT1DDL 73
220815  +6  880  ON6CQ ON5UN -08
220830 -19 1567  ON5UN ON6CQ R+00
220845  -2  880  ON6CQ ON5UN RR73
220900 -21 1567  ON5UN ON6CQ 73
220915  +3  879  CQ ON5UN JO11
220930  -6 1115  ON5UN OE9RWH JN57
220945  +2  879  OE9RWH ON5UN -03
221000  -4 1115  ON5UN OE9RWH R+14
221015  +1  879  OE9RWH ON5UN RR73
221030  -7 1115  ON5UN OE9RWH 73

40m

UTC    dB Audio  Message
202100  -9  907  CQ ON5UN JO11 (x2)
202200 -10  907  HB9RBV ON5UN -12 (x2)
202300 -11  907  CQ ON5UN JO11 (x2)
202400 -16  907  HA7TM ON5UN -01
202415  -1  907  ON5UN HA7TM R-04
202430 -16  907  HA7TM ON5UN RR73
202445  -3  907  ON5UN HA7TM 73
202500 -13  906  CQ ON5UN JO11 (x5)

60m

UTC    dB Audio  Message
213545 -16 1358  ON5UN EC1AP R-04
213600  -8  943  EC1AP ON5UN RR73
213615 -12 1358  ON5UN EC1AP 73
213630  -9  943  CQ ON5UN JO11 (x2)
213730  -9  943  SP2JLR ON5UN +07
213800  -8  943  CQ ON5UN JO11 (x3)
213915  -7  943  LB9ZG ON5UN +03 (x3)
214030  -9 1079  ON5UN LB9ZG R+15
214045  -9  943  LB9ZG ON5UN RR73
214100  -9 1080  ON5UN LB9ZG 73

Decoder S/N history by band

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