OA4DOS — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Peru

Receiver-side FT8 activity involving OA4DOS, decoded by SO8OO in southeastern Poland. 303 related FT8 messages, observed on 160m, 40m, 20m, 10m, across 22 UTC dates. Heard between 2026-05-27 and 2026-08-23.

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

303

Related messages

CQ messages

UTC dates heard

-7 dB

Mean decoder S/N

Bands

40m 20m 10m 160m

First seen: 2026-05-27
Last seen: 2026-08-23 16:08 UTC

Frequent QSO partners observed at SO8OO

Stations OA4DOS worked most often, as logged from our receiver:

TM2WWA · France ×2 DK8ZZ · Fed. Rep. of Germany RD4HD · European Russia OL6WWA · Czech Republic OH5WWA · Finland DA1EA · Fed. Rep. of Germany PY4QQ · Brazil DF3VG · Fed. Rep. of Germany EA4NW · Spain II3WWA · Italy VK3TZ · Australia UX0KR · Ukraine

Activity Heatmap

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	OA4DOS S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-23 18:07	10m	- / -12	CT3MD	-10 / -	3	✓ Closing fragment
08-23 04:16	20m	- / -16	RA3TKS	+6 / -	2	Partial capture
08-23 04:16	20m	-18 / -	UX0KR	- / -15	2	✓ Closing fragment
08-23 04:15	20m	- / -16	R3DFS	-15 / -	4	Partial capture
08-23 04:12	20m	- / -4	RW3FY	+5 / -	4	✓ Closing fragment
08-23 04:12	20m	- / -	YO3GNF	-1 / -	5	Partial capture
08-22 23:17	20m	- / -9	DA1EA	0 / -	8	✓ Closing fragment
08-22 23:13	20m	- / -	YT1UBN	-6 / -	12	Partial capture
08-22 23:12	20m	- / -	DA1EA	-2 / -	3	Partial capture
08-22 23:10	20m	- / -	YU2MMT	-16 / -	2	Partial capture
08-21 05:00	40m	- / -	DL2AXA	-12 / -	4	Partial capture
08-21 05:00	40m	- / -	PA3EZB	-13 / -	3	Partial capture
08-21 04:57	40m	- / -19	SP3QDM	+4 / -	3	✓ Closing fragment
08-21 04:56	40m	- / -	EA5HM	-13 / -	5	Partial capture
08-21 04:56	40m	- / -15	F5NBU	-14 / -	2	Partial capture
08-21 04:55	40m	- / -8	SP6JIU	+7 / -	2	✓ Closing fragment
08-21 04:44	40m	- / -13	DK8ZZ	+1 / -	2	✓ Closing fragment
08-15 21:03	160m	- / -	SP2LLP	0 / -	9	Partial capture
08-12 04:09	40m	- / -	PC2J	-15 / -	4	Partial capture
08-12 04:03	40m	- / -16	DL2RPN	-12 / -	5	✓ Closing fragment
08-10 23:47	20m	- / -19	IU2VWQ	-4 / -	4	✓ Closing fragment
08-10 03:33	20m	- / -	RK6AAC	-15 / -	2	Partial capture
08-10 03:32	20m	- / -13	UY5QJ	0 / -	5	✓ Closing fragment
08-08 04:56	20m	- / -	EA4NW	-9 / -	2	✓ Closing fragment
08-08 04:49	20m	- / -11	RA3TKS	+4 / -	3	Partial capture
08-08 04:49	20m	- / -20	EA1DP	-10 / -	2	Partial capture
08-08 04:44	20m	- / -15	RA3TKS	+3 / -	5	Partial capture
08-08 04:39	20m	- / -12	VK3TZ	-8 / -	3	✓ Closing fragment
08-08 04:38	20m	- / 0	RA4Y	-2 / -	3	Partial capture
08-08 04:28	20m	- / -11	UB4CJS	-8 / -	6	Partial capture
08-08 04:24	20m	- / -11	UB4CJS	-8 / -	3	✓ Closing fragment
08-08 04:19	20m	- / -	R6TA	+7 / -	6	Partial capture
08-08 04:15	20m	- / -12	RM4N	-8 / -	6	✓ Closing fragment
08-08 04:13	20m	- / -13	RD4HD	0 / -	7	✓ Closing fragment
08-08 04:09	20m	- / -14	UB4CJS	-13 / -	6	Partial capture
07-29 18:01	10m	- / -15	DF3VG	-6 / -	6	✓ Closing fragment
07-29 18:00	10m	- / -11	SV4OZF	0 / -	7	Partial capture
07-29 17:17	10m	- / -	IU2VBP	-12 / -	2	Partial capture
07-18 04:58	20m	- / -19	YO4CPO	-8 / -	3	✓ Closing fragment
07-16 05:07	40m	- / -	IK2JYT	-4 / -	2	Partial capture
07-13 03:23	20m	- / -	RN3GJ	-19 / -	3	Partial capture
07-13 03:17	20m	- / -	UA8Q	-2 / -	2	Partial capture
07-13 00:41	20m	- / -	SV5BYP	-16 / -	4	Partial capture
07-07 16:47	10m	- / -	DH1KJ	-20 / -	2	Partial capture
07-07 04:14	20m	- / -	RC6OX	0 / -	2	Partial capture
07-06 05:27	40m	- / -25	OE3DSB	0 / -	10	Partial capture
07-05 23:57	40m	- / -	M0RDW	-21 / -	2	Partial capture
07-05 23:56	40m	- / -	F4AMS	-14 / -	2	Partial capture
07-05 23:51	40m	- / -13	TM2WWA	-14 / -	2	✓ Closing fragment
07-05 04:51	40m	- / -	DJ0MAB	-9 / -	3	Partial capture

Recent FT8 messages decoded at SO8OO

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

10m

UTC    dB Audio  Message
180115  -5 2902  OA4DOS SV4OZF -11
180115 -14 1889  OA4DOS DF3VG JN48
180145  -3 2903  OA4DOS SV4OZF -11
180145  -8 1889  OA4DOS DF3VG JN48
180215  +2 2903  OA4DOS SV4OZF -11
180215  -8 1889  OA4DOS DF3VG JN48 (x2)
180245  +3 2903  OA4DOS SV4OZF -11 (x2)
180315  -2 1889  OA4DOS DF3VG R-15
180345  +1 2903  OA4DOS SV4OZF -11
180345  +9  388  OA4DOS DF3VG 73
180730 -13 1223  OA4DOS CT3MD IM13 (x3)

20m

UTC    dB Audio  Message
041345  +2 2348  OA4DOS YO3GNF KN34
041345  +7  453  OA4DOS RW3FY R-03
041415  -1 2349  OA4DOS YO3GNF KN34
041415  -2 1605  OA4DOS RK4HP LO43
041415  +4  453  OA4DOS RW3FY 73
041445  -4 2349  OA4DOS YO3GNF KN34 (x2)
041545 -17 1270  OA4DOS R3DFS -16
041600 -21 1635  UX0KR OA4DOS -15
041615 -15 1269  OA4DOS R3DFS -16
041630 -16 1636  UX0KR OA4DOS RR73
041645 -16 1269  OA4DOS R3DFS -16
041645  +5 2934  OA4DOS RA3TKS -16
041715 -13 1269  OA4DOS R3DFS -16
041715  +6 2934  OA4DOS RA3TKS -16

40m

UTC    dB Audio  Message
045730 -14 1538  OA4DOS EA5HM IM99
045730  +4  698  OA4DOS SP3QDM JO82
045800 -13 1538  OA4DOS EA5HM IM99
045800  -8 1613  OA4DOS SP1TJ JO74
045800  +5  698  OA4DOS SP3QDM R-19
045830 -17 1538  OA4DOS EA5HM IM99
045830  +3  698  OA4DOS SP3QDM 73
050030 -16  670  OA4DOS PA3EZB JO22
050030 -13 2126  OA4DOS DL2AXA JO50
050100 -12  670  OA4DOS PA3EZB JO22
050100  -6 2126  OA4DOS DL2AXA JO50
050130 -10  670  OA4DOS PA3EZB JO22
050130 -13 2126  OA4DOS DL2AXA JO50 (x2)
055915 -16 1590  OA4DOS GJ0KYZ -19

160m

UTC    dB Audio  Message
210315  -3 1755  OA4DOS SP2LLP JO94 (x9)

Decoder S/N history by band

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