BD4UJ — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: China

Receiver-side FT8 activity involving BD4UJ, decoded by SO8OO in southeastern Poland. 430 related FT8 messages, 2 CQ messages, observed on 80m, 40m, 20m, 10m, across 33 UTC dates. Heard between 2026-05-25 and 2026-08-20.

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

430
Related messages
2
CQ messages
33
UTC dates heard
-6 dB
Mean decoder S/N

Bands

First seen: 2026-05-25
Last seen: 2026-08-20 21:12 UTC

Activity Heatmap

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 UTCBandBD4UJ S/NCounterpartCounterpart S/NMsgsCapture
08-20 23:09 20m - / -14 RW6MMU -18 / - 2 ✓ Closing fragment
08-20 23:06 20m - / -10 YO5OHY -8 / - 2 ✓ Closing fragment
08-20 22:56 20m - / - LZ2IP -11 / - 3 ✓ Closing fragment
08-20 22:53 20m - / -19 II7MGFG -15 / - 2 Partial capture
08-20 21:02 40m - / -17 ON4IQ +19 / - 2 ✓ Closing fragment
08-20 13:56 20m - / -9 RX7T +2 / - 2 ✓ Closing fragment
08-20 13:33 20m - / -7 R3KCW +1 / - 2 ✓ Closing fragment
08-20 13:28 20m - / -9 R7GR -13 / - 2 ✓ Closing fragment
08-20 13:26 20m - / -4 RA3LAL -14 / - 2 ✓ Closing fragment
08-20 12:41 20m - / - UI6A -6 / - 2 ✓ Closing fragment
08-18 19:42 40m - / -21 S58Z +2 / - 2 Partial capture
08-15 20:01 20m - / -20 LB1DK 0 / - 2 ✓ Closing fragment
08-13 20:25 20m - / - F1DJY +8 / - 2 ✓ Closing fragment
08-12 18:19 20m - / -17 D2UY -6 / - 4 Partial capture
08-12 16:28 20m - / -8 YO2LLL -12 / - 2 ✓ Closing fragment
08-12 16:21 80m - / - R3HH -14 / - 2 Partial capture
08-12 16:03 20m - / +1 9A7Y +10 / - 2 ✓ Closing fragment
08-12 15:39 20m - / - EA5HEU -10 / - 3 Partial capture
08-11 19:41 20m - / -25 F4AFO -3 / - 3 Partial capture
08-11 19:05 20m - / +2 F1ODM -4 / - 2 ✓ Closing fragment
08-11 19:03 20m - / - G3RCW -14 / - 2 Partial capture
08-11 16:38 20m - / - DA1HM -4 / - 4 Partial capture
08-11 16:36 20m - / -20 F5IXN -19 / - 3 ✓ Closing fragment
08-09 20:33 20m - / -8 R3XDT -5 / - 3 Partial capture
08-09 18:40 20m - / -23 IT9KHI -4 / - 3 ✓ Closing fragment
08-09 18:08 20m - / - CT1BFP -20 / - 5 Partial capture
08-09 18:01 20m - / -19 RU3QR -12 / - 12 ✓ Closing fragment
08-09 17:47 20m - / - US0QV -16 / - 2 ✓ Closing fragment
08-09 17:29 20m - / -6 RJ3DC -18 / - 2 ✓ Closing fragment
08-09 15:46 20m - / - DL1R -7 / - 6 Partial capture
08-09 15:46 20m - / -16 HA7CH -8 / - 2 Partial capture
08-09 15:24 20m - / - DH2RL -20 / - 3 Partial capture
08-09 15:16 20m - / -23 RA7E -5 / - 3 ✓ Closing fragment
08-09 15:01 20m - / - PD1ADA -22 / - 2 Partial capture
08-09 14:39 20m - / - DG7JG -15 / - 5 Partial capture
08-07 19:27 20m - / -10 GM4FDM +8 / - 2 ✓ Closing fragment
08-06 19:17 20m - / -21 DG1RUG -2 / - 2 ✓ Closing fragment
08-06 18:57 20m - / -13 G6CUT +10 / - 2 ✓ Closing fragment
08-06 14:27 20m - / -14 F1DJY +5 / - 3 Partial capture
08-06 14:06 20m - / -18 F1ODM -11 / - 5 Partial capture
08-05 21:16 20m - / -24 M9KJY +1 / - 5 ✓ Closing fragment
08-05 14:21 20m - / - F1PSX -12 / - 7 Partial capture
08-05 14:17 20m - / -9 F6EQZ -3 / - 4 ✓ Closing fragment
08-05 14:04 20m - / -25 4X1PF -12 / - 3 ✓ Closing fragment
08-05 14:03 20m - / - LB0TH -20 / - 2 Partial capture
08-05 13:51 20m - / - LB0TH -21 / - 2 Partial capture
08-04 15:53 20m - / - IZ6MPZ -13 / - 2 Partial capture
08-04 15:50 20m - / - DL1RB -15 / - 4 Partial capture
08-04 15:47 20m - / - DF7EE -12 / - 5 Partial capture
08-04 15:46 20m - / - EA3JHT -17 / - 5 Partial capture

Recent FT8 messages decoded at SO8OO

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

20m
UTC    dB Audio  Message
133300  +5 1281  BD4UJ R3KCW -07 (x2)
135615  +0 2569  BD4UJ RX7T -09 (x2)
225345 -17 1829  BD4UJ II7MGFG -19 (x2)
225615 -10 1657  BD4UJ LZ2IP RR73 (x3)
230245 -14 1122  BD4UJ A61OK RR73
230600  -8 2524  BD4UJ YO5OHY -10 (x2)
230930 -18 2020  BD4UJ RW6MMU -14 (x2)
231200  -8 2104  BD4UJ II7MGBT -11
40m
UTC    dB Audio  Message
190015  -2  445  BD4UJ Z34K KN01
194200  +3  392  BD4UJ S58Z -21 (x2)
210230 +18 2563  BD4UJ ON4IQ -17 (x2)
80m
UTC    dB Audio  Message
163730 -13 1924  BD4UJ UT7IF R-06 (x4)
162130 -13 1012  BD4UJ R3HH KO95 (x2)
10m
UTC    dB Audio  Message
112100 -18 1718  BD4UJ A61DI -10 (x4)
115845 -17 1140  BD4UJ A60PC/5 -01
120245 -13 1001  BD4UJ A61OK R-01
082215  -6 2399  BD4UJ OE5EYM R-18 (x5)

Decoder S/N history by band

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