UB3PDB — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: European Russia Locator transmitted in a decoded message: KO93

Receiver-side FT8 activity involving UB3PDB, decoded by SO8OO in southeastern Poland. 129 related FT8 messages, 33 CQ messages, observed on 80m, 40m, 20m, 10m, across 18 UTC dates. Heard between 2026-05-26 and 2026-08-22.

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

129

Related messages

CQ messages

UTC dates heard

-8 dB

Mean decoder S/N

Bands

80m 40m 20m 10m

First seen: 2026-05-26
Last seen: 2026-08-22 14:59 UTC

Frequent QSO partners observed at SO8OO

Stations UB3PDB worked most often, as logged from our receiver:

IK4LZH · Italy ×2 R4PFY · European Russia RA1QD · European Russia F4JRC · France SP6M · Poland R5ZQ · European Russia RV9CX · Asiatic Russia RW4F · European Russia R9DT · Asiatic Russia IK1MJK/P · Italy E77D · Bosnia-Herzegovina DA0WWA · Fed. Rep. of Germany

Activity Heatmap

Locator transmitted by UB3PDB

Approximate centre of KO93, decoded 2026-06-30 10:34 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	UB3PDB S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-22 16:58	40m	-19 / -2	RZ6L	-4 / -3	5	✓ Full exchange observed
08-22 16:49	40m	-16 / -2	UA3UBV	-7 / -	5	✓ Closing observed
07-22 17:18	40m	- / -14	RN9N	-14 / -	2	✓ Closing fragment
07-22 17:02	80m	- / -15	R6NA	-5 / -	2	✓ Closing fragment
07-22 09:26	10m	- / -14	DO7TTR	-11 / -	5	✓ Closing fragment
06-30 10:38	10m	-18 / -	DA0WWA	- / -2	2	✓ Closing fragment
06-30 10:33	10m	-17 / -	RV9CX	- / -10	2	✓ Closing fragment
06-27 17:36	20m	- / -13	EA3HMM	+3 / -	4	✓ Closing fragment
06-26 16:43	40m	- / -7	R5ZQ	-20 / -	2	✓ Closing fragment
06-26 12:03	10m	-12 / +4	YL3CW	-18 / +2	5	✓ Full exchange observed
06-26 12:01	10m	-18 / -	DL9KM	- / -	2	✓ Closing fragment
06-26 11:57	10m	-12 / -	SP6M	- / -2	4	✓ Closing fragment
06-14 07:23	20m	- / +2	UE6RU	-12 / -	2	✓ Closing fragment
06-14 06:27	10m	-5 / -	RA9AJ	- / -6	3	✓ Closing fragment
06-13 11:36	20m	-17 / -	RU3T/P	-9 / -8	2	✓ Closing observed
06-09 08:58	10m	- / -17	A41ZZ	-12 / -	2	Partial capture
06-04 12:45	20m	- / -	PD0WL	-18 / -	2	Partial capture
06-04 12:42	20m	-20 / -24	RZ4FWA	0 / -6	5	Partial capture
06-04 12:37	20m	- / -10	PD1ADA	-11 / -	3	✓ Closing fragment
06-02 19:09	40m	-13 / -8	E77D	+6 / -11	5	✓ Full exchange observed
06-02 19:09	40m	-14 / -13	F4JRC	+10 / -10	4	✓ Full exchange observed
06-02 19:06	40m	-17 / -13	GM3CQD	-16 / -18	3	✓ Full exchange observed
06-02 19:00	80m	-12 / 0	RW4F	-20 / -1	4	✓ Full exchange observed
06-02 18:58	80m	-14 / -5	R2RCQ	-2 / +1	5	✓ Full exchange observed
06-02 18:54	80m	-22 / -	RT2P	- / -	2	✓ Closing fragment
06-01 12:17	20m	- / -12	RN6MA	-16 / -	2	Partial capture
06-01 12:16	20m	-13 / -4	IK4LZH	+15 / +1	5	✓ Full exchange observed
05-30 11:38	20m	- / -13	IK1MJK/P	-5 / -	4	✓ Closing fragment
05-30 11:34	20m	- / -	UC7T	-5 / -	2	✓ Closing fragment
05-28 12:34	20m	-6 / -11	DL8TV	-10 / -	3	✓ Closing observed
05-28 12:32	20m	-10 / -24	DC3DP	-13 / -14	6	✓ Full exchange observed
05-28 12:31	20m	-8 / -8	IZ0ZIP	-3 / -10	3	Partial capture
05-28 12:21	20m	-15 / -	DF8RU	- / -	3	✓ Closing fragment
05-28 12:18	20m	-12 / -	EW4DX	- / -4	2	✓ Closing fragment
05-28 12:14	20m	- / -	IK4LZH	+8 / -	3	✓ Closing fragment
05-28 12:12	20m	-10 / -	E70SZ	- / -11	2	✓ Closing fragment
05-28 11:57	20m	-12 / -7	PE9JAN	-1 / +1	5	✓ Full exchange observed
05-28 11:56	20m	-16 / -3	R6DJR	-4 / -2	4	✓ Full exchange observed
05-27 16:03	40m	-21 / -5	RA6FCU	-6 / +2	3	✓ Full exchange observed

Recent FT8 messages decoded at SO8OO

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

40m

UTC    dB Audio  Message
164745 -15 1283  UF4S/P UB3PDB 73
164900  -6 2568  UB3PDB UA3UBV LO07 (x3)
165015 -20 1283  UB6LLI UB3PDB RR73
165100  -9 2568  UB3PDB UA3UBV R-02
165115 -16 1283  UA3UBV UB3PDB RR73
165545 -10 1055  UB3PDB R9DT RR73
165700 -20 1283  UA9SAV UB3PDB RR73
165830 -16 1283  R4PFY UB3PDB 73
165845  -3 1283  UB3PDB RZ6L KN97
165900 -18 1283  RZ6L UB3PDB -03
165915  -3 1283  UB3PDB RZ6L R-02
165930 -20 1283  RZ6L UB3PDB RR73
165945  -5 1283  UB3PDB RZ6L 73

20m

UTC    dB Audio  Message
124315  +5 2124  UB3PDB RZ4FWA R-24 (x2)
124545 -20 2078  UB3PDB PD0WL JO21 (x2)
112630 -14 1278  UB3PDB R9FDE/P -15
113630 -17 1260  RU3T/P UB3PDB R-08
113645  -9  484  UB3PDB RU3T/P RR73
072330 -10  927  UB3PDB UE6RU +02 (x2)
173615  +2  308  UB3PDB EA3HMM JN00 (x4)
080700 -19 1209  UB3PDB RA6FSV LN05
080730 -24 1923  UB3PDB RA1TR RR73

80m

UTC    dB Audio  Message
185430 -21 1860  RT2P UB3PDB KO93 (x2)
185700 -22 1860  RN4HAB UB3PDB KO93
185830 -13 1860  R2RCQ UB3PDB KO93
185845  +0 1647  UB3PDB R2RCQ -05
185900 -16 1859  R2RCQ UB3PDB R+01
185915  -4 1647  UB3PDB R2RCQ RR73
185930 -13 1860  R2RCQ UB3PDB 73
190015 -20 1387  UB3PDB RW4F +00
190030 -14 1860  RW4F UB3PDB R-01
190045 -19 1386  UB3PDB RW4F RR73
190100 -11 1860  RW4F UB3PDB 73
174800 -13 2005  UB3PDB UA3D KO95
170230  -7 2403  UB3PDB R6NA -15 (x2)

10m

UTC    dB Audio  Message
120430 -11 1673  YL3CW UB3PDB RR73
120815 -20 1378  UB3PDB M9PCA -09
103200 -20 1141  CQ UB3PDB KO93 (x2)
103300 -19 1141  RV9CX UB3PDB R-10 (x2)
103430 -17 1141  CQ UB3PDB KO93
103815 -19 1140  DA0WWA UB3PDB R-02 (x2)
091945  -7 2712  UB3PDB IQ4JO JN63
092615  -9 2354  UB3PDB DO7TTR JN58 (x5)

Decoder S/N history by band

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