UA4LDP — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: European Russia Locator transmitted in a decoded message: LO44

Receiver-side FT8 activity involving UA4LDP, decoded by SO8OO in southeastern Poland. 366 related FT8 messages, 24 CQ messages, observed on 160m, 80m, 40m, 20m, 10m, across 36 UTC dates. Heard between 2026-05-20 and 2026-08-18.

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

366

Related messages

CQ messages

UTC dates heard

-8 dB

Mean decoder S/N

Bands

80m 20m 40m 10m 160m

First seen: 2026-05-20
Last seen: 2026-08-18 13:46 UTC

Frequent QSO partners observed at SO8OO

Stations UA4LDP worked most often, as logged from our receiver:

RU3EQ · European Russia ×2 RQ7O · European Russia ×2 R3IDH · European Russia ×2 R4PF · European Russia ×2 UA3ECJ · European Russia ×2 R0SDM/P · Asiatic Russia R3KFT · European Russia EW4DX · Belarus R8LBX · Asiatic Russia LU8GCJ · Argentina RA3ZGT · European Russia RA3LBW · European Russia

Activity Heatmap

Locator transmitted by UA4LDP

Approximate centre of LO44, decoded 2026-08-22 17:59 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	UA4LDP S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-23 06:57	20m	-16 / -	<...>	- / 0	2	Partial capture
08-23 06:52	20m	-2 / -	UA0SFM	- / -15	2	✓ Closing fragment
08-22 17:58	40m	-20 / -	OH/SM5MRW	- / -	2	Partial capture
08-22 17:54	40m	-12 / -	R1530IG	- / -	3	Partial capture
08-22 17:50	40m	-10 / -	RW9H/M	- / -5	4	Partial capture
08-18 14:48	40m	- / -	DL6UM	-10 / -	4	Partial capture
08-16 14:59	40m	- / -5	RN3ZBX	-12 / -	3	✓ Closing fragment
08-16 14:35	40m	- / -15	HA3GO	-9 / -	3	Partial capture
08-14 16:36	20m	+2 / -	BG7BVI	- / -11	2	✓ Closing fragment
08-14 16:34	20m	-2 / -3	PE9JAN	-13 / -5	5	✓ Full exchange observed
08-14 16:33	20m	-2 / -	R9WXK	- / -13	2	✓ Closing fragment
08-14 14:05	20m	-18 / -	JA1FON	- / -2	2	✓ Closing fragment
08-14 13:56	20m	-12 / -	R0SDM/P	- / -15	3	Partial capture
08-14 13:54	20m	-15 / -	XU7O	- / -12	4	✓ Closing fragment
08-14 13:48	20m	-17 / -	VU3OIP	- / -14	4	Partial capture
08-14 13:46	20m	-17 / -	R0SDM/P	- / -9	3	✓ Closing fragment
08-12 18:03	20m	-17 / -15	D2ACE	-5 / -3	5	✓ Full exchange observed
08-12 17:47	20m	-20 / -	D2ACE	- / -	6	Partial capture
08-06 15:55	40m	- / -20	SM7JKW	-10 / -	2	Partial capture
08-01 19:13	80m	-12 / +3	RU4HU	-8 / +10	4	✓ Full exchange observed
08-01 19:11	80m	-16 / -	R3QX	- / -4	4	✓ Closing fragment
08-01 19:10	80m	-15 / -	RX4CK	- / -2	3	✓ Closing fragment
08-01 19:07	80m	-11 / -8	R6NA	+6 / -24	9	✓ Full exchange observed
08-01 19:05	80m	-12 / -10	RA2FU	-10 / -23	7	✓ Full exchange observed
08-01 19:03	80m	-12 / -	R1TET	- / -	4	Partial capture
08-01 18:59	80m	-16 / -	DL1IP	-19 / -16	4	✓ Closing observed
08-01 18:55	80m	-12 / -	UB6OAK	- / -3	5	✓ Closing fragment
08-01 18:51	80m	-13 / -	UB0SMX/P	- / -22	8	✓ Closing fragment
08-01 18:49	80m	-14 / -9	RA6ZD	-4 / -	5	✓ Closing observed
08-01 18:46	80m	-18 / -	R1TET	- / -	2	Partial capture
08-01 18:45	80m	- / -9	UB3YFP	+8 / -	2	✓ Closing fragment
08-01 18:44	80m	-18 / -15	UB6OAJ	-1 / -6	5	✓ Full exchange observed
08-01 18:43	80m	-17 / -5	R3RB	0 / -	3	✓ Closing observed
08-01 18:42	80m	-20 / -	UA9ZZ	- / -7	2	Partial capture
08-01 18:41	80m	- / -2	RC6OZ	-5 / -	3	✓ Closing fragment
08-01 18:36	160m	- / -3	RU3DNN	-6 / -	4	✓ Closing fragment
08-01 18:36	160m	- / -18	UA3ECJ	-12 / -	2	✓ Closing fragment
08-01 18:14	80m	-12 / +4	UA3ECJ	-2 / +6	5	✓ Full exchange observed
08-01 18:12	80m	-11 / +9	RY4D	-6 / -	5	✓ Full exchange observed
08-01 18:10	80m	-11 / -9	SV8DCY	+5 / -14	7	✓ Full exchange observed
08-01 18:06	80m	-18 / -6	RX6DA	0 / +5	4	✓ Full exchange observed
08-01 18:03	80m	-12 / +7	RD4WM	-10 / -	4	✓ Full exchange observed
08-01 18:00	80m	-13 / -6	<...>	-6 / -15	6	Partial capture
08-01 17:57	80m	-16 / -	RD4WM	- / -	3	Partial capture
08-01 17:56	80m	-16 / -	RK6MC	+5 / -	3	✓ Closing observed
08-01 17:54	80m	-14 / -	UA3ECJ	- / -	2	Partial capture
08-01 17:52	80m	-17 / -	UB3ADO/P	- / -3	4	✓ Closing fragment
08-01 17:51	80m	-14 / -	OD5SB	- / -	2	Partial capture
08-01 17:46	80m	- / -9	UA3RCW	-14 / -	2	✓ Closing fragment
08-01 17:44	80m	- / -10	RW6ATD	-3 / -	2	✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

20m

UTC    dB Audio  Message
163345  -2 2529  R9WXK UA4LDP -13 (x2)
163430 -12 2273  UA4LDP PE9JAN JO22
163445  -7 2529  PE9JAN UA4LDP -05
163500 -12 2273  UA4LDP PE9JAN R-03
163515  +3 2529  PE9JAN UA4LDP RR73
163530 -14 2273  UA4LDP PE9JAN 73
163615  +4 2529  BG7BVI UA4LDP R-11 (x2)
170630 -16 2067  <...> UA4LDP -09
065230  -1 2249  UA0SFM UA4LDP -15 (x2)
065715 -17 2223  <...> UA4LDP +00 (x2)
070300 -17 1869  EN35UKR UA4LDP -15

40m

UTC    dB Audio  Message
150015 -10 2437  UA4LDP RN3ZBX 73
144815 -10  758  UA4LDP DL6UM JO60 (x4)
154615 -16 1552  UA4LDP DA1ST JO41
175030 -10 2703  RW9H/M UA4LDP R-05 (x4)
175445 -10 2703  R1530IG UA4LDP LO44 (x3)
175845 -21 1857  OH/SM5MRW UA4LDP LO44 (x2)

80m

UTC    dB Audio  Message
190900 -11 1614  R6NA UA4LDP -24
190915  +1 1614  UA4LDP R6NA R-04
190930 -13 1613  R6NA UA4LDP RR73
190945  +1 1614  UA4LDP R6NA 73
191000 -14 1614  RX4CK UA4LDP LO44 (x3)
191130 -14 1613  R3QX UA4LDP LO44 (x4)
191330  -9 1613  RU4HU UA4LDP +10
191345  -9 2049  UA4LDP RU4HU R+03
191400 -15 1613  RU4HU UA4LDP RR73
191415  -8 2049  UA4LDP RU4HU 73

160m

UTC    dB Audio  Message
192545 -13 1597  UA4LDP LZ3YY 73
192745 -18 1410  UA4LDP UA1TAN -14 (x3)
192845 -14  899  UA4LDP R5BM KO85
193015 -20 1446  UA4LDP RA3WY R-08 (x2)
193245 -16 2294  UA4LDP RD7O RR73 (x2)
183615 -10  797  UA4LDP RU3DNN KO96
183615 -11 1859  UA4LDP UA3ECJ -18 (x2)
183715  -5  798  UA4LDP RU3DNN KO96 (x3)

10m

UTC    dB Audio  Message
074815 -17 1774  UA4LDP R6ML 73
081815 -16 2281  UA4LDP RA4ADF 73
085615 -14 2481  UA4LDP F4FED R-05
090115  -6  895  UA4LDP RL1B -10 (x2)
090600  -6 1555  UA4LDP M0BEW -10
192030  -2 2169  UA4LDP RC6OG R-03 (x2)
124130 -16 1510  UA4LDP UA3QRH R-11 (x2)
123045 -22 2162  UA4LDP RV1CC 73
125915 -14 2509  UA4LDP RA3WEO R-01
123445 -18 1577  UA4LDP F4LNM JN09 (x2)
091945 -16 1324  UA4LDP R1WBW R-03

Decoder S/N history by band

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