UA4PDJ — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: European Russia Locator transmitted in a decoded message: LO45

Receiver-side FT8 activity involving UA4PDJ, decoded by SO8OO in southeastern Poland. 250 related FT8 messages, 26 CQ messages, observed on 80m, 40m, 20m, 10m, across 46 UTC dates. Heard between 2026-05-28 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.

FT8DB and SO8OO WebSDR are a hobby project maintained solo. ☕ Buy me a coffee

Overview

250

Related messages

CQ messages

UTC dates heard

-9 dB

Mean decoder S/N

Bands

80m 40m 20m 10m

First seen: 2026-05-28
Last seen: 2026-08-23 21:40 UTC

Frequent QSO partners observed at SO8OO

Stations UA4PDJ worked most often, as logged from our receiver:

RC6OD · European Russia ×2 Z62NS · Republic of Kosovo UE7DR · European Russia F5NNN · France R3ZBY · European Russia RY6O · European Russia RU3DOK/P · European Russia SA2RJO · Sweden R6OIZ · European Russia RO3ZR · European Russia OA4ENG · Peru UB6OCP · European Russia

Activity Heatmap

Locator transmitted by UA4PDJ

Approximate centre of LO45, decoded 2026-08-23 23:37 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	UA4PDJ S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-23 23:39	80m	- / -6	DO1IJB	+12 / -	2	✓ Closing fragment
08-23 23:37	80m	-16 / -	DF7EF	- / -	2	Partial capture
08-23 23:35	80m	- / -	EC3A	-8 / -	2	Partial capture
08-23 23:34	80m	-13 / -5	SA2RJO	+6 / -22	5	✓ Full exchange observed
08-23 23:22	80m	-1 / -5	RA9YTI	-23 / -8	10	✓ Full exchange observed
08-23 23:19	80m	+5 / +5	OG1AO	+2 / -9	4	✓ Full exchange observed
08-23 23:02	40m	-6 / -	TF8KW	- / -	2	Partial capture
08-23 17:15	40m	-4 / -2	UB2FEK	0 / -8	4	✓ Full exchange observed
08-23 16:58	40m	-4 / -13	OE5ABL	-16 / -18	2	Partial capture
08-21 16:04	40m	-9 / -	R3XS	- / -	6	Partial capture
08-21 04:28	40m	- / -1	RV3V	-18 / -	2	✓ Closing fragment
08-20 04:05	20m	- / -	TA2EE	-22 / -	4	Partial capture
08-20 04:00	20m	- / -17	HK3YL	-14 / -	2	✓ Closing fragment
08-17 16:42	40m	-16 / -	G7OCK/P	- / -	3	Partial capture
08-12 05:41	20m	- / -18	EA5HEU	-10 / -	3	Partial capture
08-09 11:57	20m	-8 / -	KP3H	- / -	6	Partial capture
08-09 11:41	20m	-10 / -	SV2HTW	- / -9	2	✓ Closing fragment
08-09 11:37	20m	-9 / -	EA8AT	- / -	4	Partial capture
08-09 11:26	20m	-13 / -	R6DZO	- / -	2	Partial capture
08-09 01:59	80m	- / -16	UA3YPS	+1 / -	2	✓ Closing fragment
08-09 01:43	80m	-18 / -15	OM1II	+9 / -20	5	✓ Full exchange observed
08-08 17:42	40m	- / -	RK6MC	-5 / -	5	Partial capture
08-08 17:40	40m	- / -10	R3ZBY	-12 / -	4	✓ Closing fragment
08-08 17:35	40m	- / -	RK6MC	-12 / -	3	Partial capture
08-06 05:55	20m	-14 / -	R4FBJ	- / -	3	Partial capture
08-05 12:19	20m	-18 / -	F4HQL	-20 / -17	4	Partial capture
08-04 18:35	80m	-10 / -	RT25KS	- / -	4	Partial capture
08-03 02:46	40m	-11 / -	RA1NBG	- / -	4	Partial capture
08-03 02:41	40m	-10 / -	RA1NBG	- / -	2	Partial capture
08-02 13:19	20m	-11 / -	UD0LFV	- / -	2	Partial capture
08-02 05:25	20m	-12 / -	RU3DOK/P	- / -14	2	✓ Closing fragment
08-01 15:09	20m	-15 / -	R8CIR	- / -	3	Partial capture
08-01 12:16	20m	- / -	PD3LKN	-14 / -	2	Partial capture
08-01 12:14	20m	- / -2	RU6UR	-20 / -	5	Partial capture
08-01 12:13	20m	- / -	G7RCQ	-16 / -	2	Partial capture
08-01 00:05	40m	-14 / -	KP4QVQ	- / -	2	Partial capture
07-31 23:48	40m	-18 / -	RA9YTI	- / -	2	Partial capture
07-31 23:41	40m	-17 / -	OA4ENG	- / -23	5	✓ Closing fragment
07-30 04:51	20m	-17 / -	VK3GE	- / -	5	Partial capture
07-30 04:41	20m	-15 / -	ZL4TT	- / -	2	Partial capture
07-30 04:37	20m	-8 / -15	KB3Z	-1 / -	3	✓ Closing observed
07-30 04:31	20m	-10 / -	WB6RLC	- / -	4	Partial capture
07-30 04:26	20m	-19 / -	N6YJ	- / -26	8	✓ Closing fragment
07-30 04:22	20m	-16 / -	N6YJ	- / -	2	Partial capture
07-29 17:21	20m	-7 / -	UA6XHN	- / -	5	Partial capture
07-28 13:19	20m	-12 / -	4S6YRW	- / -	2	Partial capture
07-25 17:26	40m	- / +4	R2SL	-6 / -	2	✓ Closing fragment
07-20 18:03	40m	-11 / -11	RA2FKD	-12 / -9	3	✓ Full exchange observed
07-20 14:27	20m	-14 / -	3B8GL	- / -15	2	✓ Closing fragment
07-18 21:32	80m	- / -21	8S7DL	0 / -	2	Partial capture

Recent FT8 messages decoded at SO8OO

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

80m

UTC    dB Audio  Message
232830 -22 1435  UA4PDJ RA9YTI -05
232845  -2  986  RA9YTI UA4PDJ R-08
232900 -24 1435  UA4PDJ RA9YTI RR73
232915  +2  986  RA9YTI UA4PDJ 73
233400  -9 2062  SA2RJO UA4PDJ LO45
233415  +6 2512  UA4PDJ SA2RJO -05
233430 -14 2063  SA2RJO UA4PDJ R-22
233445  +7 2512  UA4PDJ SA2RJO RR73
233500 -16 2062  SA2RJO UA4PDJ 73
233515 -12  609  UA4PDJ EC3A JN00 (x2)
233700 -18 2000  DF7EF UA4PDJ LO45 (x2)
233945  +9 1505  UA4PDJ DO1IJB -06 (x2)

40m

UTC    dB Audio  Message
160715 -12  810  R3XS UA4PDJ LO45
165815 -16 1337  UA4PDJ OE5ABL -13
170000  -4  885  OE5ABL UA4PDJ R-18
170430  +4  641  <...> UA4PDJ LO45
171100 -22 1326  UA4PDJ UB4FJC -19
171500  -1 2322  UB2FEK UA4PDJ LO45
171545  +2 2873  UA4PDJ UB2FEK -02
171600  -7 2422  UB2FEK UA4PDJ R-08
171615  -1 2873  UA4PDJ UB2FEK RR73
172200  -4  643  <R2ZJJ/M> UA4PDJ LO45
172430 -12 1531  RW6HPS UA4PDJ LO45
174930  -3  409  UA4PDJ RV2H -05
175400  -8  632  R3ZBH UA4PDJ LO45
230200  -5  653  TF8KW UA4PDJ LO45 (x2)

20m

UTC    dB Audio  Message
115700 -10  592  KP3H UA4PDJ LO45 (x6)
054145 -23 1936  UA4PDJ EA5HEU JN00 (x3)
040045 -13 1830  UA4PDJ HK3YL -17 (x2)
040545 -21 1733  UA4PDJ TA2EE KM69 (x4)

10m

UTC    dB Audio  Message
085330  -6 2149  UA4PDJ R6YG -02
085145 -15  922  UA4PDJ A41ZZ -12
074115 -20 1997  UA4PDJ UB6OCP RR73

Decoder S/N history by band

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