ON3CX — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Belgium Locator transmitted in a decoded message: JO20

Receiver-side FT8 activity involving ON3CX, decoded by SO8OO in southeastern Poland. 153 related FT8 messages, 1 CQ messages, observed on 80m, 40m, 20m, 10m, across 22 UTC dates. Heard between 2026-05-12 and 2026-08-09.

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

153

Related messages

CQ messages

UTC dates heard

-8 dB

Mean decoder S/N

Bands

80m 40m 20m 10m

First seen: 2026-05-12
Last seen: 2026-08-09 14:43 UTC

Frequent QSO partners observed at SO8OO

Stations ON3CX worked most often, as logged from our receiver:

VP2MAA · Montserrat ×2 6Y5DH · Jamaica YO9HP · Romania OE5PEN · Austria KA1MXL · United States RA3ZDU · European Russia HA3TNJ · Hungary CT7AUT · Portugal F6FHZ · France XE1PM · Mexico K2TQC · United States VK6BAD · Australia

Activity Heatmap

Locator transmitted by ON3CX

Approximate centre of JO20, decoded 2026-08-02 13:58 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	ON3CX S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-08 05:08	40m	-17 / -	<...>	- / -21	3	Partial capture
08-07 10:16	20m	- / -	EB3JT	-13 / -	3	Partial capture
08-07 07:37	20m	- / -16	IQ4JO	-24 / -	2	Partial capture
08-04 16:16	40m	- / -14	OE5PEN	-16 / -	4	✓ Closing fragment
08-04 05:12	40m	- / -21	YO9HP	-19 / -	2	✓ Closing fragment
08-03 08:46	20m	- / -	EA1AHP	-13 / -	2	Partial capture
08-03 08:26	20m	-24 / -	IQ4JO	- / -11	2	Partial capture
08-03 06:53	40m	- / -8	F5RRS	-22 / -	4	✓ Closing fragment
08-02 13:57	20m	-21 / -	SP6CA	- / -	3	Partial capture
08-02 13:56	20m	-22 / -	<...>	- / -	2	Partial capture
08-02 13:02	20m	- / -15	CT7AUT	-20 / -	2	✓ Closing fragment
08-01 04:27	40m	-18 / -	N5RET	- / -9	2	Partial capture
08-01 04:23	40m	-20 / -	N5RET	- / -	2	Partial capture
08-01 04:18	40m	-20 / 0	SV7BAY	-12 / -	3	Partial capture
07-31 04:54	20m	-14 / -	K4YJ	- / -	6	Partial capture
07-31 04:46	20m	-13 / -	KA1MXL	- / -22	3	✓ Closing fragment
07-30 04:16	20m	-12 / -2	UR5FLN	-9 / -	3	✓ Closing observed
07-30 04:06	20m	- / +3	KD6WW	-17 / -	2	✓ Closing fragment
07-30 03:51	20m	- / -4	RA3ZDU	-12 / -	2	✓ Closing fragment
07-12 04:03	40m	-17 / -	TJ1GD/P	- / -15	10	✓ Closing fragment
07-12 04:02	40m	-16 / -	WA2HIP	- / -	2	Partial capture
07-12 03:58	40m	-14 / -	KC2YYF	- / -	4	✓ Closing fragment
07-06 04:06	40m	-18 / -	OA4ENG	- / -	5	Partial capture
07-06 04:02	40m	-14 / -	OA4ENG	- / -	4	Partial capture
07-06 04:00	40m	-14 / -	J88IH	- / -	2	Partial capture
06-26 06:49	20m	-8 / -	4O4DB	- / -17	4	✓ Closing fragment
06-13 03:41	20m	-13 / -	NA5AR	- / -	5	Partial capture
06-13 03:36	20m	-10 / -	W5ZP	- / -	4	Partial capture
06-12 04:06	40m	-8 / -	AA4LM	- / -	2	Partial capture
06-10 16:46	10m	- / -3	D2UY	-9 / -	2	Partial capture
06-10 04:16	40m	-2 / -	NQ3N	- / -	3	Partial capture
06-10 04:09	20m	-5 / -	WV2B	- / -20	6	Partial capture
06-10 04:01	40m	-17 / -	TK1CX	- / -	8	Partial capture
06-10 03:57	40m	-15 / -	KG5POL	- / -	2	Partial capture
06-09 05:03	20m	0 / -	N0STL	- / -	2	Partial capture
06-09 04:57	40m	-4 / -	WA4TED	- / -	4	Partial capture
06-05 04:54	40m	-6 / -	N5HHS	- / -	2	Partial capture
06-05 04:53	40m	-4 / -	WR8R	- / -	3	Partial capture
06-05 04:49	40m	-10 / -	KI5J	- / -	5	Partial capture
06-05 04:36	40m	-4 / -	GU4WRP	- / +3	4	✓ Closing fragment
06-05 04:21	20m	- / 0	II9RICT	+7 / -	6	Partial capture
06-04 19:26	40m	-4 / -	VK6BAD	- / -25	5	✓ Closing fragment
06-04 19:15	10m	- / 0	7Q3CM	-1 / -	3	Partial capture
06-04 04:55	20m	-20 / -8	XE1PM	-12 / -15	8	✓ Full exchange observed
06-04 04:02	40m	-6 / -	CP7DX	- / -22	11	Partial capture
06-02 05:17	20m	- / -2	NE5TX	-6 / -	4	Partial capture
06-02 05:13	20m	-14 / -	NE5TX	- / -	2	Partial capture
06-01 16:46	20m	- / -10	UA4FEN	0 / -	4	Partial capture
06-01 16:44	20m	- / -15	SV9TLU	+10 / -	3	✓ Closing fragment
05-29 15:50	40m	-18 / -	F4FMA	- / -	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
065330 -21 1705  ON3CX F5RRS JN36 (x3)
051200 -18 2138  ON3CX YO9HP -21 (x2)
161600 -17 1386  ON3CX OE5PEN JN78 (x4)
063900 -21 2124  ON3CX PA3CPS JO32
070800 -14  756  ON3CX DA1ST JO41
050815 -18 1259  <...> ON3CX R-21 (x3)
164315 -18 1642  ON3CX E70SZ JN84

20m

UTC    dB Audio  Message
135730 -21 1444  SP6CA ON3CX JO20 (x3)
082600 -23 1710  IQ4JO ON3CX -11 (x2)
084615 -13  790  ON3CX EA1AHP IN70 (x2)
194930 -15 1501  ON3CX EA1FRP IN81
073730 -23 2103  ON3CX IQ4JO JN63 (x2)
101600 -17 1100  ON3CX EB3JT JN01 (x3)
103330 -10  660  MI7XHT ON3CX R-15
160230  -9  651  ON3CX OZ5AGJ JO47

10m

UTC    dB Audio  Message
191530  -3 2806  ON3CX 7Q3CM +00 (x3)
164600 -10 2387  ON3CX D2UY -03 (x2)

Decoder S/N history by band

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