WB4SIA — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: United States

Receiver-side FT8 activity involving WB4SIA, decoded by SO8OO in southeastern Poland. 171 related FT8 messages, observed on 160m, 80m, 60m, 40m, 20m, across 16 UTC dates. Heard between 2026-05-23 and 2026-08-21.

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

171

Related messages

CQ messages

UTC dates heard

-4 dB

Mean decoder S/N

Bands

80m 20m 40m 60m 160m

First seen: 2026-05-23
Last seen: 2026-08-21 01:17 UTC

Frequent QSO partners observed at SO8OO

Stations WB4SIA worked most often, as logged from our receiver:

HB9CXZ · Switzerland ×2 IW0FFK · Italy ×2 KO4PRE · United States JR1NHD · Japan VE6RND · Canada WB5JJJ · United States DM8KM · Fed. Rep. of Germany G8MIA · England SV8JE · Greece F4JRC · France DJ0MAB · Fed. Rep. of Germany HI8UD · Dominican Republic

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	WB4SIA S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-21 03:15	80m	- / -	OK1WE	+8 / -	4	Partial capture
08-21 03:14	80m	- / -24	DK7ZT	0 / -	5	Partial capture
08-20 03:18	80m	- / -18	DK7ZT	-6 / -	5	Partial capture
08-20 02:36	80m	- / -13	SP3SLA	+20 / -	2	✓ Closing fragment
08-08 00:27	80m	- / -14	KO4PRE	-6 / -	4	✓ Closing fragment
08-06 01:52	80m	- / -15	HB9CXZ	+4 / -	2	✓ Closing fragment
08-05 12:33	20m	- / -	G6OTZ	-15 / -	4	Partial capture
08-05 05:08	80m	- / -23	IV3FSG	+8 / -	8	Partial capture
08-05 03:10	80m	- / -8	IV3FSG	+7 / -	4	Partial capture
08-05 03:06	80m	- / -8	IV3FSG	+14 / -	4	Partial capture
08-05 03:05	80m	- / -	DO1ID	+11 / -	3	Partial capture
08-05 03:01	80m	-6 / -5	DM8KM	-6 / -19	8	✓ Full exchange observed
08-05 03:00	80m	-7 / -13	HB10GBT	+1 / -	3	Partial capture
08-05 02:59	80m	-22 / -19	EU3AA	+5 / -17	2	Partial capture
08-05 02:57	80m	- / -	DO8JB	-12 / -	11	Partial capture
08-05 02:53	80m	- / -11	S58MU	+11 / -	2	Partial capture
08-05 02:53	80m	- / -	SN5J	+13 / -	4	Partial capture
08-05 02:51	80m	-20 / -9	SV8JE	-1 / -10	5	✓ Full exchange observed
08-05 02:49	80m	-14 / -	DO1ID	+7 / -18	3	Partial capture
08-05 02:48	80m	-16 / -	K3LT	- / -15	2	Partial capture
08-05 02:46	80m	- / -9	IW0FFK	+1 / -	2	✓ Closing fragment
08-05 02:45	80m	- / -6	HI8UD	-24 / -	2	✓ Closing fragment
08-05 02:42	80m	- / -	SV8JE	+6 / -	3	Partial capture
08-05 02:41	80m	-18 / -	W7WRO	- / -3	3	✓ Closing fragment
08-05 01:57	80m	-18 / -5	HB9CXZ	+15 / -	3	✓ Closing observed
08-04 18:41	20m	- / -	DL8YDP	-9 / -	3	Partial capture
08-04 02:59	40m	- / -	EA5FD	-13 / -	3	Partial capture
08-04 02:56	40m	- / -3	EA1AA	-12 / -	5	Partial capture
08-04 02:48	40m	- / -7	EA1AA	-7 / -	4	Partial capture
08-03 03:07	160m	- / -18	IW0FFK	+10 / -	3	✓ Closing fragment
06-17 13:21	20m	- / -	YB1BZV	-15 / -	7	Partial capture
06-16 13:38	20m	- / -	F5PBG	0 / -	2	Partial capture
06-03 02:53	20m	-14 / -	DJ0MAB	- / -4	3	✓ Closing fragment
06-03 02:42	40m	- / -10	F4JRC	-3 / -	3	✓ Closing fragment
06-02 02:31	80m	- / -	F6EQZ	+5 / -	6	Partial capture
06-02 02:29	80m	- / -	EA7AH	-10 / -	2	Partial capture
06-02 02:28	80m	- / -	F6EQZ	+7 / -	2	Partial capture
06-01 03:43	20m	-10 / -	SV2KD	- / -20	2	✓ Closing fragment
06-01 03:41	20m	-12 / -	VE6RND	- / -6	4	✓ Closing fragment
06-01 03:26	40m	- / +2	G8MIA	-1 / -	4	✓ Closing fragment
06-01 03:21	40m	- / -10	IQ9BF	-10 / -	3	Partial capture
05-31 22:26	20m	- / -	MI0FBI	-10 / -	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
031830  -8 1060  WB4SIA DK7ZT -18 (x7)
031530 +14 2502  WB4SIA OK1WE JO70
031530  +4 1585  WB4SIA DK7ZT -24 (x2)
031600 +10 2502  WB4SIA OK1WE JO70
031615 -24  936  W0C WB4SIA 73
031630  -1 1585  WB4SIA DK7ZT -24
031630  +2 2502  WB4SIA OK1WE JO70 (x2)

20m

UTC    dB Audio  Message
132415 -15 2203  WB4SIA YB1BZV OI42 (x3)
134415  -5 2868  WB4SIA JR1NHD RR73
184145 -11  939  WB4SIA DL8YDP JO42 (x3)
123315 -15 1202  WB4SIA G6OTZ IO92 (x3)
123445 -10  761  WB4SIA HB9DGZ JN47
123445 -17 1202  WB4SIA G6OTZ IO92
220930 -14 2560  WB4SIA SM7OYP -08
180330 -22 2104  WB4SIA EI9KF -12
124300 -11  324  WB4SIA OH3OJ -14

40m

UTC    dB Audio  Message
024800 -12 1380  WB4SIA EA1AA -07 (x9)
025900 -14 1188  WB4SIA EA5FD IM99 (x3)
015415  -7  867  WB4SIA GB64MOD -09
015545  -5 2936  WB4SIA F1DXP -09
020600 -17 1380  WB4SIA YO4NF -16

160m

UTC    dB Audio  Message
030715 +11  845  WB4SIA IW0FFK RR73 (x3)

Decoder S/N history by band

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