UA4PBT — FT8 activity observed at SO8OO

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

Receiver-side FT8 activity involving UA4PBT, decoded by SO8OO in southeastern Poland. 158 related FT8 messages, 15 CQ messages, observed on 160m, 80m, 40m, 20m, 10m, across 34 UTC dates. Heard between 2026-05-24 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

158
Related messages
15
CQ messages
34
UTC dates heard
-7 dB
Mean decoder S/N

Bands

80m 20m 40m 10m 160m
First seen: 2026-05-24
Last seen: 2026-08-21 14:06 UTC

Frequent QSO partners observed at SO8OO

Stations UA4PBT worked most often, as logged from our receiver:

Activity Heatmap

Locator transmitted by UA4PBT

Approximate centre of LO45, decoded 2026-08-17 17:56 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 UTCBandUA4PBT S/NCounterpartCounterpart S/NMsgsCapture
08-21 16:06 20m - / -7 DM2DXA -1 / - 2 ✓ Closing fragment
08-20 18:06 40m -9 / - RA4CEH/P - / -4 5 Partial capture
08-20 18:05 40m -10 / -3 R1IV -6 / +2 4 ✓ Full exchange observed
08-20 17:58 40m -2 / - R3PLN/P - / -12 5 ✓ Closing fragment
08-17 17:56 80m -14 / -7 R5ACQ -5 / -9 5 ✓ Full exchange observed
08-16 11:19 10m - / - RC6OG -15 / - 2 ✓ Closing fragment
08-12 18:22 80m - / -12 UA9FMT -19 / - 3 ✓ Closing fragment
08-12 17:26 20m - / - RM4W -11 / - 3 Partial capture
08-12 17:24 20m 0 / - UB8CSJ - / -13 3 ✓ Closing fragment
08-12 17:22 20m -2 / - UA0LQE - / -13 3 Partial capture
08-12 17:19 20m +2 / - SV2AOB - / -1 2 ✓ Closing fragment
08-12 16:42 20m -4 / - UB8AHK - / -10 2 ✓ Closing fragment
08-12 16:42 20m - / - PD1ADA -16 / - 2 Partial capture
08-12 16:40 20m -7 / - R9FFZ - / -3 2 ✓ Closing fragment
08-12 16:27 20m -2 / - RI0FA - / -10 4 Partial capture
08-12 16:25 20m -2 / - R9FFZ - / -3 2 Partial capture
08-12 14:10 20m -2 / - SH4UMN - / -4 4 Partial capture
08-11 07:26 10m - / -11 RW3QW -8 / - 2 ✓ Closing fragment
08-09 14:32 10m - / - IK6GPZ -16 / - 2 Partial capture
08-08 18:30 40m - / -5 IK6GPZ -15 / - 5 ✓ Closing fragment
08-08 18:28 40m - / -13 9A4ZM -5 / - 3 ✓ Closing fragment
08-04 16:38 20m - / - DF7EE -11 / - 5 ✓ Closing fragment
07-28 16:33 20m -18 / - EW1MN - / -16 2 ✓ Closing fragment
07-23 07:46 10m - / +2 RZ3DUB -15 / - 2 ✓ Closing fragment
07-22 20:04 80m -22 / - RG2T -7 / 0 3 ✓ Full exchange observed
07-22 10:02 10m - / -12 IQ4JO -6 / - 2 ✓ Closing fragment
07-20 18:22 80m -21 / - UA9ZZ - / -13 4 Partial capture
07-19 07:00 10m - / -13 UA3FO -14 / - 2 ✓ Closing fragment
07-19 06:11 10m - / +9 R6OU -7 / - 2 ✓ Closing fragment
07-19 06:03 10m - / - RW3K +2 / - 2 Partial capture
07-18 19:31 160m - / -14 R3LCW -18 / - 2 ✓ Closing fragment
07-17 17:14 20m - / - EC3CVD -4 / - 3 ✓ Closing fragment
07-17 17:13 20m -20 / - PD1HBL - / -22 2 ✓ Closing fragment
07-16 20:15 80m -16 / - UB0SMX/P -15 / -9 4 ✓ Closing observed
07-16 19:33 80m -10 / -20 E77EA -1 / -14 10 ✓ Full exchange observed
07-16 19:32 80m -11 / - UB0SMX/P - / -12 3 Partial capture
07-16 19:26 80m -12 / - RN1ON - / -1 2 ✓ Closing fragment
07-14 21:55 80m -18 / -7 RC6OD +4 / -3 4 ✓ Full exchange observed
07-12 15:52 40m - / -1 R3YAU -4 / - 2 ✓ Closing fragment
07-07 16:51 10m - / -10 RT6Z +6 / - 2 ✓ Closing fragment
06-30 18:01 40m - / -2 RU3OW -15 / - 3 ✓ Closing fragment
06-30 15:53 20m -3 / - BA4SQI - / -15 3 ✓ Closing fragment
06-28 08:41 10m - / +1 UA1AIR -17 / - 2 ✓ Closing fragment
06-21 19:21 80m -16 / - UA0TP - / -15 3 Partial capture
06-21 18:08 10m - / -6 R7KR +12 / - 2 ✓ Closing fragment
06-19 16:27 20m -12 / - VU2FR - / -11 2 ✓ Closing fragment
06-10 14:56 20m -4 / - UE0DR - / -17 5 Partial capture
06-09 18:08 40m - / -14 RA9UES -11 / - 3 ✓ Closing fragment
06-08 15:25 20m -12 / - <...> - / -1 4 Partial capture
06-08 15:20 20m -8 / - RL6F/M - / -5 8 Partial capture

Recent FT8 messages decoded at SO8OO

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

20m 
UTC    dB Audio  Message
172145  +2  468  CQ UA4PBT LO45
172245  +0  468  UA0LQE UA4PBT -13 (x3)
172415  +1  468  UB8CSJ UA4PBT -13 (x3)
172600  -9  978  UA4PBT RM4W LO66 (x3)
081530  -7 2689  UA4PBT <R6DOB/M> R-08
160615  +1 1410  UA4PBT DM2DXA R-07 (x2)
072615 -16  859  ZL1RPC/P UA4PBT -10
080515  +1  689  RA9YTI UA4PBT -03
40m 
UTC    dB Audio  Message
183300 -13 1418  UA4PBT IK6GPZ 73
175815  -5  512  R3PLN/P UA4PBT -12 (x5)
180500  -9  593  R1IV UA4PBT +02
180515  -8 1432  UA4PBT R1IV R-03
180530 -11  593  R1IV UA4PBT RR73
180545  -5 1432  UA4PBT R1IV 73
180630  -7  594  RA4CEH/P UA4PBT -04 (x5)
80m 
UTC    dB Audio  Message
182245 -20 1320  UA9ZZ UA4PBT -13 (x3)
200415 -22 2230  RG2T UA4PBT +00
200500  -8 1707  UA4PBT RG2T R+11 (x2)
182200 -23 1381  UA4PBT UA9FMT LO88 (x3)
175600 -12 2062  CQ UA4PBT LO45
175615  -4 2182  UA4PBT R5ACQ KO85
175630 -16 2062  R5ACQ UA4PBT -09
175645  -6 2182  UA4PBT R5ACQ R-07
175700 -11 2063  R5ACQ UA4PBT RR73
175715  -4 2182  UA4PBT R5ACQ 73
10m 
UTC    dB Audio  Message
070045 -14 1279  UA4PBT UA3FO R-13 (x2)
100230  -8 2676  UA4PBT IQ4JO R-12 (x2)
062430 -17 2099  UA4PBT RA1N 73
063745 -14 2239  UA4PBT RD7LC -03
065245 -16 2176  UA4PBT R3DMS 73
074615 -15 1054  UA4PBT RZ3DUB R+02 (x2)
143200 -17 1421  UA4PBT IK6GPZ JN62 (x2)
072645  -5  885  UA4PBT RW3QW R-11 (x2)
111900 -10 2099  UA4PBT RC6OG KN98 (x2)
160m 
UTC    dB Audio  Message
194230 -24 1834  <...> UA4PBT -12
194245 -16 1433  UA4PBT R3HW/M R-04
191845 -15  864  UA4PBT R7OP R-03
193115 -20 2264  UA4PBT R3LCW R-14 (x2)

Decoder S/N history by band

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