DN9BB — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Fed. Rep. of Germany Locator transmitted in a decoded message: JO31

Receiver-side FT8 activity involving DN9BB, decoded by SO8OO in southeastern Poland. 54 related FT8 messages, 23 CQ messages, observed on 10m, across 16 UTC dates. Heard between 2026-06-22 and 2026-08-23.

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

54
Related messages
23
CQ messages
16
UTC dates heard
-6 dB
Mean decoder S/N

Bands

10m
First seen: 2026-06-22
Last seen: 2026-08-23 13:54 UTC

Activity Heatmap

Locator transmitted by DN9BB

Approximate centre of JO31, decoded 2026-08-18 10:28 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 UTCBandDN9BB S/NCounterpartCounterpart S/NMsgsCapture
08-23 15:54 10m - / -2 4O5JD -20 / - 2 ✓ Closing fragment
08-18 10:29 10m -6 / - OK2XCG - / -7 2 ✓ Closing fragment
08-18 10:24 10m -8 / - G0AZH - / +6 2 ✓ Closing fragment
08-12 16:20 10m -5 / - HZ1TT - / - 12 Partial capture
08-12 16:13 10m -8 / - EB3DIM - / -7 8 ✓ Closing fragment
08-12 16:12 10m -9 / - HA3GX - / +7 2 Partial capture
08-12 16:09 10m -5 / - IZ4JMA - / - 4 ✓ Closing fragment
08-12 16:08 10m -7 / - HA3GX - / +7 2 Partial capture
08-12 16:06 10m -4 / - IW2MYH - / - 2 ✓ Closing fragment
08-12 15:59 10m -9 / - R1BEO - / -14 6 Partial capture
08-12 15:49 10m -6 / - 3A2MW - / -20 14 ✓ Closing fragment
08-12 12:53 10m -3 / - 3A2MW - / - 12 Partial capture
08-12 12:50 10m -5 / - EA1IIF - / - 7 Partial capture
08-12 12:46 10m -11 / -12 F5ADE -8 / -22 7 ✓ Full exchange observed
08-12 12:41 10m -7 / - <...> - / - 5 Partial capture
08-09 10:26 10m - / -12 SV2CLJ -12 / - 2 Partial capture
08-07 15:41 10m -9 / - HA3GX - / - 2 ✓ Closing fragment
07-29 16:18 10m -8 / - IK2UCK - / -10 2 Partial capture
07-29 16:16 10m -10 / - IW2CAK - / - 2 ✓ Closing fragment
07-29 16:11 10m -8 / - YC1SNI - / - 2 Partial capture
07-24 12:42 10m -4 / - CN2DX - / - 12 Partial capture
07-23 12:57 10m -7 / - YC1GLT - / - 2 Partial capture
07-23 12:53 10m -3 / - IK4LZH - / - 3 ✓ Closing fragment
07-23 12:44 10m -6 / - IZ0AIO - / -7 13 ✓ Closing fragment
07-23 12:41 10m -6 / - E70SZ - / +4 2 ✓ Closing fragment
07-20 07:58 10m -12 / - RK4CH - / -15 2 ✓ Closing fragment
07-13 13:03 10m -8 / - 8Q7PR - / - 4 Partial capture
07-07 09:26 10m - / +4 EA3CXN -6 / - 3 ✓ Closing fragment
06-28 16:04 10m 0 / - TN8GD - / -17 4 ✓ Closing fragment
06-28 15:51 10m +5 / - ZA5G - / -5 9 ✓ Closing fragment
06-27 20:49 10m -1 / -3 CE2SV +4 / 0 9 ✓ Full exchange observed
06-27 20:43 10m +2 / - XQ3SK - / -19 10 ✓ Closing fragment
06-27 15:44 10m -6 / - CN2DX - / - 6 Partial capture
06-27 10:01 10m -5 / - 9H4JX - / -21 6 Partial capture
06-27 09:57 10m -12 / - SM7WVZ -8 / - 2 ✓ Closing observed
06-26 15:48 10m -9 / - XQ3SK - / - 5 Partial capture
06-26 15:43 10m -10 / - LW2EDM - / -11 3 ✓ Closing fragment
06-26 12:16 10m -10 / -8 HB0RER +8 / - 6 ✓ Closing observed
06-26 11:59 10m -3 / -7 OZ9WRH -8 / +5 3 Partial capture
06-26 11:54 10m -2 / - EW4DX - / +2 2 Partial capture
06-26 11:48 10m -1 / - M8IYL - / +1 3 Partial capture
06-26 04:36 10m -6 / - OM8AOP - / - 3 Partial capture
06-26 04:28 10m -4 / - TA7I -6 / -13 2 Partial capture
06-24 16:09 10m 0 / - EA3ALL - / +7 2 Partial capture
06-24 16:01 10m +4 / - EA1AA - / -12 3 ✓ Closing fragment
06-24 15:57 10m +3 / - LY2BBF - / - 5 Partial capture
06-22 12:51 10m - / -2 LZ4VR -18 / - 2 Partial capture
06-22 10:19 10m -6 / - ES4TIX - / - 9 Partial capture
06-22 09:18 10m - / +6 DG2SAT +14 / - 3 ✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

10m
UTC    dB Audio  Message
162515  -7  575  HZ1TT DN9BB JO31 (x2)
102200 -11  578  CQ DN9BB JO31 (x4)
102400  -9  577  G0AZH DN9BB +06 (x2)
102730  -9  577  CQ DN9BB JO31 (x3)
102900  -3  578  OK2XCG DN9BB -07 (x2)
155400 -19 1590  DN9BB 4O5JD -02 (x2)

Decoder S/N history by band

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