DF4BR — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Fed. Rep. of Germany Locator transmitted in a decoded message: JO43

Receiver-side FT8 activity involving DF4BR, decoded by SO8OO in southeastern Poland. 72 related FT8 messages, 7 CQ messages, observed on 40m, 20m, 10m, across 9 UTC dates. Heard between 2026-05-26 and 2026-08-19.

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

72
Related messages
7
CQ messages
9
UTC dates heard
-6 dB
Mean decoder S/N

Bands

First seen: 2026-05-26
Last seen: 2026-08-19 20:37 UTC

Activity Heatmap

Locator transmitted by DF4BR

Approximate centre of JO43, decoded 2026-08-21 12:01 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 UTCBandDF4BR S/NCounterpartCounterpart S/NMsgsCapture
08-21 12:00 20m -6 / - KA2MGE - / - 4 Partial capture
08-19 22:44 40m -3 / - EA8UP - / -4 3 Partial capture
08-19 22:35 40m -2 / -18 VP2MAA -10 / -12 10 ✓ Full exchange observed
07-27 17:39 40m -18 / +2 DK8HC -7 / 0 3 ✓ Full exchange observed
07-27 17:38 40m - / +2 SP2L -5 / - 3 ✓ Closing fragment
07-27 17:37 40m -14 / - R2ZDO - / -14 3 ✓ Closing fragment
07-24 17:09 20m -17 / - SV1MNE - / -19 2 ✓ Closing fragment
07-24 17:04 40m - / - DK7ZT -22 / - 2 Partial capture
07-19 12:13 20m - / -1 DL9YNG -16 / - 2 Partial capture
07-16 16:57 20m -5 / - EA8CVR - / -25 5 Partial capture
07-16 16:55 20m -15 / - <...> - / -13 2 Partial capture
07-16 16:53 20m -10 / -4 4L7T -13 / - 3 ✓ Closing observed
07-14 16:47 20m -10 / - VU2ATN - / - 3 Partial capture
07-13 11:54 20m -3 / - F5IXN -10 / -4 3 ✓ Closing observed
07-13 11:53 20m - / - IQ4JO -14 / - 2 Partial capture
07-13 11:45 20m -11 / - CU2JX - / -17 3 ✓ Closing fragment
07-13 11:44 20m -7 / - 4X1UF - / -10 2 ✓ Closing fragment
07-13 11:39 20m -14 / - EA3GXK - / -12 5 ✓ Closing fragment
07-13 11:36 20m -16 / - A61OK - / - 2 Partial capture
07-13 11:31 20m -14 / -2 LZ1RAY +12 / - 3 ✓ Closing observed
07-13 11:26 10m - / -9 IK4LZH +4 / - 2 ✓ Closing fragment
06-02 17:24 40m -4 / - OO0O - / - 2 ✓ Closing fragment
05-29 09:03 20m - / -10 GJ0KYZ -8 / - 2 ✓ Closing fragment
05-28 19:58 40m 0 / - HB0/DL2SBY - / -13 2 Partial capture
05-28 19:51 40m - / - DK7ZT +4 / - 2 Partial capture
05-28 19:50 40m +8 / +8 DK3ME +18 / -1 5 ✓ Full exchange observed
05-28 19:48 40m 0 / -11 E72ET +2 / +1 6 ✓ Full exchange observed
05-26 12:55 20m - / - IZ4OUL -10 / - 2 Partial capture
05-26 12:52 20m -11 / -6 YL2KF -6 / -8 3 ✓ Full exchange observed
05-26 12:52 20m -16 / +2 OE5TXF -8 / -11 3 ✓ Full exchange observed
05-26 12:23 20m -4 / - VU2CPL - / - 3 Partial capture
05-26 12:13 20m - / -18 ES6DO +7 / - 3 ✓ Closing fragment
05-26 12:13 20m -7 / -19 UI6O -7 / -13 24 ✓ Full exchange observed
05-26 12:13 20m - / -10 UR3AHB +6 / - 2 Partial capture
05-26 12:11 20m -2 / - F1IQH - / -13 3 ✓ Closing fragment
05-26 12:10 20m -5 / - SQ8M -12 / - 2 ✓ Closing observed
05-26 11:55 20m -5 / - <...> - / -7 2 Partial capture

Recent FT8 messages decoded at SO8OO

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

20m
UTC    dB Audio  Message
171915 -10 1095  7Z1BM DF4BR JO43
170830 -20 1142  CQ DF4BR JO43
170930 -16 1142  SV1MNE DF4BR -19 (x2)
171145 -12  678  DF4BR RX9ABI RR73
171400 -15 1134  A61SD DF4BR JO43
173030  -8  521  DF4BR 7Z1BM RR73
173345 -11  823  BH8PYF DF4BR JO43
172945  -7  277  DF4BR BG0DAP -04
133430  -2  413  RK0SC DF4BR R-16
133630 -15 1075  US3EW DF4BR RR73
120015 -10  728  KA2MGE DF4BR JO43 (x4)
40m
UTC    dB Audio  Message
173945  -1  729  DF4BR SP2L RR73
174030 -16 1029  DK8HC DF4BR RR73
223500  -3  641  VP2MAA DF4BR JO43 (x4)
223645 -10  641  DF4BR VP2MAA -18
223700  -4  641  VP2MAA DF4BR R-20
223715 -12  640  DF4BR VP2MAA -18
223730  +2  641  VP2MAA DF4BR R-18
223745  -8  640  DF4BR VP2MAA RR73
223800  -3  642  VP2MAA DF4BR 73
224445  -4  323  EA8UP DF4BR JO43 (x3)
10m
UTC    dB Audio  Message
112615  +2  442  DF4BR IK4LZH -09 (x2)

Decoder S/N history by band

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