UB4CIA — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: European Russia Locator transmitted in a decoded message: LO31

Receiver-side FT8 activity involving UB4CIA, decoded by SO8OO in southeastern Poland. 527 related FT8 messages, 38 CQ messages, observed on 80m, 40m, 20m, across 17 UTC dates. Heard between 2026-05-09 and 2026-08-07.

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

527
Related messages
38
CQ messages
17
UTC dates heard
-3 dB
Mean decoder S/N

Bands

80m 40m 20m
First seen: 2026-05-09
Last seen: 2026-08-07 15:25 UTC

Frequent QSO partners observed at SO8OO

Stations UB4CIA worked most often, as logged from our receiver:

Activity Heatmap

Locator transmitted by UB4CIA

Approximate centre of LO31, decoded 2026-08-07 17:24 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 UTCBandUB4CIA S/NCounterpartCounterpart S/NMsgsCapture
08-07 17:24 80m - / - UA3YAJ -16 / - 2 Partial capture
08-07 17:21 80m -2 / -6 R7BO +2 / -17 7 ✓ Full exchange observed
08-07 17:10 20m 0 / - <...> - / -15 4 Partial capture
08-07 15:33 20m -2 / - JO1LVZ - / -7 2 Partial capture
08-07 15:29 20m -5 / +2 IV3IUM +1 / -9 3 ✓ Full exchange observed
08-07 15:24 20m - / - IV3IUM +3 / - 3 Partial capture
08-07 15:23 20m -4 / - BD8ELZ - / -14 3 ✓ Closing fragment
08-07 15:13 20m -8 / - BG5BNW - / -13 2 Partial capture
08-07 15:11 20m -7 / - BG4ACY - / -7 2 ✓ Closing fragment
08-07 15:06 20m -6 / - BD8ELZ - / +7 2 Partial capture
08-07 15:01 40m -15 / - R2SL -14 / -7 2 ✓ Closing observed
08-05 18:14 80m -2 / +3 RD3MF -5 / -11 6 ✓ Full exchange observed
08-05 18:12 40m - / - R1TET -22 / - 2 Partial capture
08-05 18:08 40m - / - 9A4ZM -2 / - 2 Partial capture
08-05 17:59 40m - / 0 RK6OV -11 / - 2 Partial capture
08-05 17:55 40m -10 / -2 RK6OV -16 / -16 5 Partial capture
08-05 17:36 40m - / - F5RRS -14 / - 4 Partial capture
08-05 17:35 40m -10 / - R9CB - / -18 2 ✓ Closing fragment
08-05 16:51 40m - / 0 R2SN -13 / - 2 Partial capture
08-05 14:37 20m - / +7 RA6OY +1 / - 3 ✓ Closing fragment
08-05 10:27 20m - / - YT1T -20 / - 2 Partial capture
08-05 10:24 20m -6 / -16 M0BNE -12 / -18 5 ✓ Full exchange observed
08-05 10:11 20m -10 / - SQ9ONX - / -13 2 ✓ Closing fragment
08-05 10:06 20m -11 / - MI0NWA - / -13 2 Partial capture
08-05 05:13 40m - / -7 SP4TKA -17 / - 3 ✓ Closing fragment
08-04 19:53 80m - / -12 YT1T -6 / - 8 Partial capture
08-04 19:32 80m - / -10 YT1T +4 / - 24 Partial capture
08-04 19:28 80m -6 / - <...> - / -12 3 Partial capture
08-04 19:25 80m -7 / - RK4FH +1 / - 2 ✓ Closing observed
08-04 19:24 80m - / -7 YT1T -8 / - 10 Partial capture
08-04 19:14 80m -8 / -13 RA3ZOM +4 / +1 7 Partial capture
08-04 19:10 80m - / - E77EA -1 / - 5 Partial capture
08-04 19:09 80m -2 / - SV8JE - / -14 2 Partial capture
08-04 19:07 80m +2 / - UA4HBJ - / -7 2 ✓ Closing fragment
08-04 19:03 80m 0 / -4 R7IA -8 / - 3 ✓ Closing observed
08-04 19:02 80m -3 / +1 R2GFD -5 / - 4 ✓ Closing observed
08-04 19:00 80m -3 / -3 RA6ATZ -4 / -17 5 ✓ Full exchange observed
08-04 18:58 80m -2 / - R2ATY -12 / -14 2 ✓ Closing observed
08-04 18:55 80m - / -6 OH/SP5TEN -16 / - 3 Partial capture
08-04 18:55 80m - / -3 R2ATY -14 / - 2 Partial capture
08-04 18:54 80m -3 / - R3EDI +1 / -12 3 ✓ Full exchange observed
08-04 18:48 80m +1 / -2 RA4ADF -19 / -18 7 ✓ Full exchange observed
08-04 18:48 80m - / - DK2CC +2 / - 6 Partial capture
08-04 18:48 80m -2 / - UA3SCU -8 / -9 4 ✓ Full exchange observed
06-01 09:31 20m -9 / +4 IQ6CC/7 +1 / -17 2 Partial capture
06-01 09:22 20m -7 / -8 R3NCG -6 / -15 2 Partial capture
06-01 08:56 20m -6 / - SA3LEN - / - 3 ✓ Closing fragment
06-01 08:54 20m -5 / -5 SV1KWA -11 / -16 2 Partial capture
06-01 08:51 20m - / -9 R7ZS +8 / - 4 Partial capture
06-01 08:49 20m - / -8 R8CHS -4 / - 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
181500  +0  503  RD3MF UB4CIA -11
181515  -1  503  UB4CIA RD3MF R+03
181530  -5  503  RD3MF UB4CIA RR73
181545  -3  503  UB4CIA RD3MF 73
172130  +0  502  R7BO UB4CIA -17
172145  +3  502  UB4CIA R7BO R-06
172200  -3  502  R7BO UB4CIA -17
172215  +2  502  UB4CIA R7BO R-06
172230  -2  502  R7BO UB4CIA -17 (x2)
172345  +0  502  UB4CIA R7BO 73
172400  +2  502  CQ UB4CIA LO31 (x2)
172445 -14 1592  UB4CIA UA3YAJ KO72 (x2)
20m 
UTC    dB Audio  Message
152630  +9 2227  UB4CIA IV3IUM JN65
152745 -10  574  YT7DX UB4CIA R-09
152915  -6  574  IV3IUM UB4CIA -09
152930  +1 2227  UB4CIA IV3IUM R+02
152945  -4  575  IV3IUM UB4CIA RR73
153200  -4  574  EH1SGG UB4CIA -14
153315  -1  575  JO1LVZ UB4CIA -07 (x2)
171045  -3  574  <...> UB4CIA -15 (x4)
171345  +1  574  CQ UB4CIA LO31 (x2)
171600  -2  574  RU9AD UB4CIA -11
40m 
UTC    dB Audio  Message
175545 -15 1185  UB4CIA RK6OV R-02
175600 -11  537  RK6OV UB4CIA -16
175615 -17 1185  UB4CIA RK6OV R-02
175630  -6  537  RK6OV UB4CIA -16
175915 -11  536  UB4CIA RK6OV R+00 (x2)
180815  -3  533  UB4CIA 9A4ZM JN86 (x2)
180930 -10  537  CQ UB4CIA LO31
180945 -12  537  UB4CIA DL6ZOG JO52
181000 -10  538  YO4LUP UB4CIA -16
181245 -21 1475  UB4CIA R1TET KO78 (x2)
150130 -14 2436  UB4CIA R2SL 73
150245 -15 2435  R2SL UB4CIA -07

Decoder S/N history by band

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