DK4VF — 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 DK4VF, decoded by SO8OO in southeastern Poland. 189 related FT8 messages, 11 CQ messages, observed on 160m, 80m, 40m, 20m, across 34 UTC dates. Heard between 2026-05-26 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

189
Related messages
11
CQ messages
34
UTC dates heard
-7 dB
Mean decoder S/N

Bands

80m 40m 20m 160m
First seen: 2026-05-26
Last seen: 2026-08-22 05:30 UTC

Frequent QSO partners observed at SO8OO

Stations DK4VF worked most often, as logged from our receiver:

Activity Heatmap

Locator transmitted by DK4VF

Approximate centre of JO43, decoded 2026-08-23 14:03 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 UTCBandDK4VF S/NCounterpartCounterpart S/NMsgsCapture
08-22 07:27 20m -8 / -9 II7MGBA -9 / -15 2 Partial capture
08-22 07:23 20m +8 / +3 S58MU +2 / -4 6 Partial capture
08-22 07:14 20m +8 / -8 9A2LM -2 / - 7 Partial capture
08-22 07:10 20m +10 / +8 SV9MBL -3 / -3 5 ✓ Full exchange observed
08-22 07:07 20m - / -2 9A5E +2 / - 2 ✓ Closing fragment
08-21 14:53 20m - / -3 SP9KDA -9 / - 2 Partial capture
08-21 13:35 20m +5 / +7 <...> +8 / -10 4 Partial capture
08-21 13:30 20m -8 / - I6XVL - / - 2 Partial capture
08-20 16:16 40m -5 / - UR5WA - / -4 2 Partial capture
08-20 16:12 40m -2 / - <...> - / -11 4 Partial capture
08-20 13:31 20m -7 / - DD9MI - / - 2 Partial capture
08-16 17:14 80m -14 / -12 HA3IS +5 / -15 4 ✓ Full exchange observed
08-16 14:57 40m - / +2 DF0GDX 0 / - 2 ✓ Closing fragment
08-04 13:39 40m - / +1 DH7WW/P -10 / - 2 ✓ Closing fragment
08-03 15:11 40m - / +6 OK8UQ -10 / - 2 ✓ Closing fragment
08-02 14:59 40m - / - SP2OSP -12 / - 4 ✓ Closing fragment
07-19 16:32 40m -7 / - SP1KRF -4 / -7 4 ✓ Full exchange observed
07-17 16:26 40m - / -8 <...> -8 / - 2 Partial capture
07-17 11:16 40m - / - DL4KER -13 / - 3 ✓ Closing fragment
07-10 13:01 40m - / -2 DL6ZAJ -16 / - 2 ✓ Closing fragment
07-10 12:53 40m -15 / - <...> - / - 4 Partial capture
07-06 13:22 20m - / -8 YL3RK -16 / - 2 ✓ Closing fragment
07-03 09:23 20m - / - MW7KFZ -10 / - 3 Partial capture
07-02 15:13 20m - / -8 F6ITD +1 / - 3 ✓ Closing fragment
06-22 11:42 20m -18 / +10 GB1500M -9 / +5 3 Partial capture
06-19 13:25 20m - / -16 M0LTA -5 / - 3 Partial capture
06-19 13:03 20m - / +8 IQ0VT 0 / - 2 ✓ Closing fragment
06-19 11:16 40m -11 / - SQ9KWY -7 / -3 3 ✓ Closing observed
06-17 16:05 40m -19 / +2 DD0IPA +4 / - 7 ✓ Closing observed
06-17 14:26 40m -10 / 0 DJ1TU -22 / -6 4 ✓ Full exchange observed
06-17 14:25 40m -9 / +6 <...> +3 / -9 2 Partial capture
06-16 06:46 40m - / -8 DL2CZ -15 / - 2 Partial capture
06-15 17:05 40m -23 / +1 <...> -5 / -4 2 Partial capture
06-15 16:58 40m -17 / - F6BEC -17 / -2 5 ✓ Closing observed
06-15 16:58 40m -13 / -11 SP6FME +3 / - 4 ✓ Closing observed
06-15 16:55 40m -11 / -11 UX7QV +1 / -6 7 ✓ Full exchange observed
06-15 15:52 40m -12 / - DL3FBI - / -19 2 ✓ Closing fragment
06-15 15:47 40m -14 / - DD1OO - / -10 2 ✓ Closing fragment
06-15 15:43 40m -14 / - DK1IO - / -19 2 ✓ Closing fragment
06-15 15:41 40m -16 / - <...> - / -13 2 Partial capture
06-15 15:41 40m - / - DK1IO -20 / - 2 Partial capture
06-14 14:16 40m -19 / -3 DL2FK -16 / - 3 ✓ Closing observed
06-14 13:36 40m -21 / -11 DH3CW -12 / -6 3 ✓ Full exchange observed
06-14 13:33 40m -8 / - DB1BC - / -17 2 Partial capture
06-14 13:26 40m -19 / +9 DL5FCE -21 / +2 4 ✓ Full exchange observed
06-14 13:12 40m -11 / -4 DH9ET -10 / -18 10 ✓ Full exchange observed
06-14 13:10 40m -10 / - DA1E -8 / +3 2 ✓ Closing observed
06-14 12:24 40m -8 / - G1HHX - / -14 3 Partial capture
06-12 14:17 40m -14 / -9 9A3AUH -2 / -17 5 ✓ Full exchange observed
06-12 09:33 40m -21 / - ON3SD - / -2 2 Partial capture

Recent FT8 messages decoded at SO8OO

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

40m 
UTC    dB Audio  Message
133900 -11 2619  DK4VF DH7WW/P +01 (x2)
132145 -15  975  DK4VF SP7VCL -02
100415 -21 2056  DL2FHO DK4VF JO43
101045 -24 1812  M8PGT DK4VF R-09
145745  +0 2682  DK4VF DF0GDX +02 (x2)
165330  -6  715  DK4VF DA0OIE -04
161200  -3 2635  <...> DK4VF JO43 (x4)
161615  -8 2438  UR5WA DK4VF JO43 (x2)
140330 -14 1234  DL8NCV DK4VF JO43
20m 
UTC    dB Audio  Message
071430  +5 1245  9A2LM DK4VF JO43
071445  +1 1246  DK4VF 9A2LM -09 (x4)
072300  +9  638  S58MU DK4VF JO43
072315  +4  637  DK4VF S58MU +03
072330  +8  638  S58MU DK4VF JO43
072345  -1  637  DK4VF S58MU +03
072400  +8  638  S58MU DK4VF JO43 (x2)
072630  -1 2105  II7MGBT DK4VF JO43
072745  -9 1076  DK4VF II7MGBA -09
072800  -8 1076  II7MGBA DK4VF R-15
073045 -12 1077  DK4VF II7MGBA -16
80m 
UTC    dB Audio  Message
183845  -4 2443  OE5VVM DK4VF JO43
183900  +5 2442  DK4VF OE5VVM -03
183915  -6 2442  OE5VVM DK4VF R-16
183930  +4 2442  DK4VF OE5VVM RR73
184300 -10 1154  DO6SI DK4VF JO43
185615  -9 1964  II3RPAD DK4VF JO43 (x2)
185715 -11 1964  <DL2026C> DK4VF JO43
185830  -5 2064  DK4VF DL2026C -01 (x2)
171400  +4 1186  DK4VF HA3IS -12
171415 -12 1185  HA3IS DK4VF R-15
171430  +6 1186  DK4VF HA3IS RR73
171445 -16 1185  HA3IS DK4VF 73
171830 -10  446  HA3FIC DK4VF JO43
160m 
UTC    dB Audio  Message
190445 -17 2063  DL2026C DK4VF JO43 (x3)
190600  -7 2062  DK4VF DL2026C -03
190615 -16 2063  DL2026C DK4VF R+06

Decoder S/N history by band

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