DD1OBU — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Fed. Rep. of Germany Locator transmitted in a decoded message: JO42

Receiver-side FT8 activity involving DD1OBU, decoded by SO8OO in southeastern Poland. 92 related FT8 messages, observed on 80m, 40m, 20m, 10m, across 21 UTC dates. Heard between 2026-05-24 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

92
Related messages
0
CQ messages
21
UTC dates heard
-3 dB
Mean decoder S/N

Bands

First seen: 2026-05-24
Last seen: 2026-08-22 06:42 UTC

Activity Heatmap

Locator transmitted by DD1OBU

Approximate centre of JO42, decoded 2026-07-27 20:30 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 UTCBandDD1OBU S/NCounterpartCounterpart S/NMsgsCapture
08-16 07:24 80m - / -16 DO9BAU -14 / - 2 ✓ Closing fragment
07-27 20:29 40m -13 / - UK8FDD - / - 3 Partial capture
07-25 22:28 20m - / -11 9K2MP -16 / - 2 ✓ Closing fragment
07-24 15:13 20m -23 / - DL1HXA -15 / -13 2 Partial capture
07-18 22:46 20m -18 / - JT1PB - / - 3 Partial capture
07-18 22:39 20m -7 / -5 XV9T -2 / - 2 Partial capture
07-18 21:52 20m 0 / - XV9T - / - 3 Partial capture
07-18 21:47 40m -2 / - OK1KKI +9 / +1 4 ✓ Full exchange observed
07-18 21:16 40m -8 / - MI7JQH - / -14 5 ✓ Closing fragment
07-18 20:44 80m 0 / 0 LX1FDE -6 / -2 10 ✓ Full exchange observed
07-18 20:35 80m -8 / - TN8GD - / - 2 Partial capture
07-17 20:31 20m - / -13 9A4ZM -4 / - 2 ✓ Closing fragment
07-17 20:28 20m - / - 9A4ZM 0 / - 2 Partial capture
07-12 20:35 80m +1 / - UA4FKT 0 / -12 3 Partial capture
07-12 20:33 80m -6 / -1 R2FDU 0 / -7 6 ✓ Full exchange observed
07-11 22:45 20m - / -14 9K2YM -12 / - 2 ✓ Closing fragment
07-10 22:09 80m - / - UA4FKT +13 / - 2 Partial capture
07-10 22:06 80m -2 / -6 4O7CC +4 / -9 4 ✓ Full exchange observed
07-10 17:58 20m -7 / - 9K2YM - / - 2 Partial capture
07-07 19:53 40m -6 / +10 OK2USB +4 / -2 5 ✓ Full exchange observed
07-05 19:55 80m -6 / -2 OK2WMC +6 / -9 4 ✓ Full exchange observed
07-03 20:19 80m -10 / - DA0WWA +2 / -1 3 ✓ Closing observed
06-11 15:38 20m -8 / - OK3MET - / -15 3 Partial capture
06-09 22:37 40m -2 / - XQ3SK - / - 4 Partial capture
06-07 21:04 20m 0 / - KJ6GHN - / -22 6 ✓ Closing fragment
06-06 20:29 20m - / -20 Z32C -8 / - 2 ✓ Closing fragment
06-06 11:52 20m -4 / - C21TS - / - 3 Partial capture
06-03 22:44 80m -6 / - GI4DOH +1 / -4 3 ✓ Closing observed
06-03 22:40 80m 0 / -7 G8OO -15 / -2 7 ✓ Full exchange observed
06-03 22:39 80m +1 / -14 EW8AAC -3 / -13 3 ✓ Full exchange observed
06-03 22:32 40m -1 / +8 DJ0MAB +5 / -6 4 ✓ Full exchange observed
06-03 22:29 40m - / - DJ0MAB 0 / - 2 Partial capture
06-03 22:29 40m 0 / +8 DL7ACA +8 / +1 6 ✓ Full exchange observed
06-03 22:27 40m -1 / - UN8DSW - / -11 3 ✓ Closing fragment
06-03 22:18 20m -9 / - K0MDS - / - 2 Partial capture
06-03 22:03 20m - / -8 9J2FI 0 / - 2 ✓ Closing fragment
05-31 19:51 20m -9 / -15 BI4IWL 0 / -9 5 ✓ Full exchange observed
05-31 19:34 20m -8 / - OM7AMA - / -15 3 ✓ Closing fragment
05-30 23:28 40m -4 / -4 F5RRS +9 / +3 4 Partial capture
05-30 23:21 40m -5 / - OA4ENG - / -14 4 ✓ Closing fragment
05-30 23:21 40m - / - IU4PPL -10 / - 2 Partial capture
05-30 23:19 40m -1 / +1 F1IQH +2 / +1 3 Partial capture
05-30 23:17 40m -5 / 0 UR5SG -15 / -4 3 ✓ Full exchange observed
05-30 22:31 80m +6 / - IZ2QGF - / - 3 Partial capture
05-30 22:27 80m +9 / -14 R2EN +8 / -6 5 ✓ Full exchange observed
05-30 22:26 80m +5 / 0 DO2PY -7 / -2 6 ✓ Full exchange observed
05-30 22:24 80m -3 / -4 DO5HOK -4 / -2 3 ✓ Full exchange observed
05-28 20:42 40m -1 / -1 OK1TRA -2 / -7 5 ✓ Full exchange observed
05-27 20:46 20m - / -12 HS0ZOY -6 / - 2 ✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

10m
UTC    dB Audio  Message
135730  +4  538  DD1OBU D2UY -12
084200  -5  567  DD1OBU SV2CLJ -17
80m
UTC    dB Audio  Message
203545  -7  913  TN8GD DD1OBU JO42 (x3)
204400 -10 1859  LX1FDE DD1OBU JO42 (x4)
204715  -5 1426  DD1OBU LX1FDE +00
204730  +3  358  LX1FDE DD1OBU R-02
204745  -7 1426  DD1OBU LX1FDE +00
204800  -1  358  LX1FDE DD1OBU R+02
204815  -5 1426  DD1OBU LX1FDE RR73
204830  -1  359  LX1FDE DD1OBU 73
072415 -18 2202  DD1OBU DO9BAU -16 (x2)
40m
UTC    dB Audio  Message
211645  -4 2375  YH0A DD1OBU JO42 (x2)
215800 -13 1412  <...> DD1OBU JO42
211645  -7  647  MI7JQH DD1OBU JO42 (x5)
214715  +7 2928  DD1OBU OK1KKI +21
214730  -3 2928  OK1KKI DD1OBU R+01
214745 +11 2928  DD1OBU OK1KKI RR73
214800  -2 2928  OK1KKI DD1OBU 73
202915 -15 2156  UK8FDD DD1OBU JO42 (x3)
20m
UTC    dB Audio  Message
203115  -4  850  DD1OBU 9A4ZM R-13 (x2)
215230  -1  376  XV9T DD1OBU JO42 (x4)
223945  -2  377  DD1OBU XV9T -05
224615 -18 1280  JT1PB DD1OBU JO42 (x3)
151300 -15 1565  DD1OBU DL1HXA JO51
151315 -23 1565  DL1HXA DD1OBU -13
151545 -19 1565  JY5CG DD1OBU JO42
222800 -15 1079  DD1OBU 9K2MP -11 (x2)

Decoder S/N history by band

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