DL4SZB — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Fed. Rep. of Germany Locator transmitted in a decoded message: JO63

Receiver-side FT8 activity involving DL4SZB, decoded by SO8OO in southeastern Poland. 107 related FT8 messages, observed on 80m, 60m, 40m, 20m, across 9 UTC dates. Heard between 2026-05-30 and 2026-08-18.

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

107
Related messages
0
CQ messages
9
UTC dates heard
-6 dB
Mean decoder S/N

Bands

80m 20m 40m 60m
First seen: 2026-05-30
Last seen: 2026-08-18 03:30 UTC

Frequent QSO partners observed at SO8OO

Stations DL4SZB worked most often, as logged from our receiver:

Activity Heatmap

Locator transmitted by DL4SZB

Approximate centre of JO63, decoded 2026-08-18 05:26 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 UTCBandDL4SZB S/NCounterpartCounterpart S/NMsgsCapture
08-18 05:29 80m -8 / -8 DK1HZ -9 / -14 5 ✓ Full exchange observed
08-18 05:28 80m -7 / - DK5OPA - / -8 2 ✓ Closing fragment
08-18 05:26 80m -4 / - <...> - / -8 2 Partial capture
08-17 19:25 60m -6 / - PE1MMZ - / - 2 Partial capture
08-17 19:21 60m -10 / +1 DJ2KP -3 / - 7 ✓ Full exchange observed
08-17 19:16 60m -6 / - <...> - / +3 2 Partial capture
08-17 19:13 60m -4 / - DL6BCZ - / -16 5 ✓ Closing fragment
08-17 18:27 60m -3 / -3 SP8AWL +7 / - 5 Partial capture
08-17 18:26 60m -4 / - IW2OHP - / 0 2 Partial capture
08-16 14:04 40m - / -12 DL0MFK/LH -16 / - 2 Partial capture
08-16 06:18 40m -8 / - DA0LH - / -25 4 Partial capture
08-16 05:31 80m -2 / - F5PBG - / -22 2 Partial capture
08-16 05:30 80m -6 / -2 DA0OIE +1 / - 3 ✓ Closing observed
08-16 05:28 80m +2 / - DG1RMY - / -19 2 ✓ Closing fragment
08-16 05:27 80m +1 / +10 DL1LRI -13 / +7 5 ✓ Full exchange observed
08-16 05:26 80m +4 / -1 DM2JJ -18 / -9 4 ✓ Full exchange observed
08-16 05:25 80m +4 / -1 DA0LH +8 / - 4 ✓ Full exchange observed
08-15 18:29 40m -4 / +7 DL1CBS/P -22 / - 4 Partial capture
08-15 16:49 40m -6 / -20 DL7ANC/LH -10 / - 2 Partial capture
08-15 16:48 40m -6 / - <...> - / -9 2 Partial capture
08-15 16:43 40m -5 / -13 DL5DRM/LH -5 / -15 5 Partial capture
08-15 16:41 40m -12 / - <...> - / -9 4 Partial capture
08-15 16:33 40m -9 / -11 DA0OIE -16 / -12 5 ✓ Full exchange observed
08-15 16:12 40m -6 / - DA0OIE - / -15 4 Partial capture
08-15 16:08 40m -5 / - GB5OARC - / +9 3 Partial capture
08-15 16:04 40m -7 / - GB5OARC - / -2 2 Partial capture
08-15 16:01 40m -6 / - <...> - / - 4 Partial capture
08-15 15:55 40m -6 / - <...> - / -9 6 Partial capture
08-15 14:23 40m -14 / - 3Z0L - / - 2 Partial capture
08-15 14:16 40m -12 / - OE5ABL - / 0 3 ✓ Closing fragment
08-09 05:32 60m -11 / - <...> - / - 2 Partial capture
07-30 09:10 20m +2 / - VP5G - / - 8 Partial capture
06-20 14:50 20m -18 / - <...> - / -9 2 Partial capture
06-19 19:43 40m +3 / -7 IR0RCAG -14 / -5 4 Partial capture
06-19 17:25 40m - / -10 R2EN -6 / - 2 Partial capture
06-19 17:24 40m -2 / -13 IQ0OS -12 / - 3 ✓ Closing observed
06-19 17:23 40m -2 / - F6FHZ - / -3 2 ✓ Closing fragment
06-19 17:21 40m -2 / - IQ9USG - / - 2 Partial capture
06-19 17:19 40m -1 / -5 9A3AUH -1 / +4 9 ✓ Full exchange observed
06-19 17:17 40m +1 / -2 II3DRC -10 / +2 5 ✓ Full exchange observed
06-19 17:17 40m +8 / -16 DD7EE -4 / -11 6 ✓ Full exchange observed
06-19 17:16 40m +6 / - IQ9USG - / - 3 Partial capture
06-19 06:06 20m - / -5 IQ7KM +10 / - 2 ✓ Closing fragment
06-19 04:39 40m -8 / - IQ4FE - / -2 2 Partial capture
06-19 04:29 40m -7 / -19 IQ2AAH -11 / +9 8 ✓ Full exchange observed
06-17 05:55 20m - / -9 <...> -6 / - 2 Partial capture
06-17 05:30 40m +1 / -11 IQ4FJ -14 / -4 5 ✓ Full exchange observed
06-17 05:26 40m -6 / +1 II3DRC -15 / +1 7 ✓ Full exchange observed
06-17 05:25 40m -12 / - IQ9NI - / -5 2 ✓ Closing fragment
06-17 05:23 40m -10 / -16 IQ7KM -10 / +3 5 ✓ Full exchange observed

Recent FT8 messages decoded at SO8OO

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

80m 
UTC    dB Audio  Message
052945  -5  553  DJ2PW DL4SZB JO63
053030  +3 1347  DL4SZB DA0OIE -02 (x2)
053115  -6  553  DA0OIE DL4SZB 73
053145  +3  553  F5PBG DL4SZB -22 (x2)
052645  -3 2158  <...> DL4SZB JO63 (x2)
052815  -7 2158  DK5OPA DL4SZB -08 (x2)
052900  -7  735  DL4SZB DK1HZ JN48
052915 -11 2159  DK1HZ DL4SZB -14
052930 -11  736  DL4SZB DK1HZ R-08
052945  -6 2158  DK1HZ DL4SZB RR73
053000  -8  735  DL4SZB DK1HZ 73
60m 
UTC    dB Audio  Message
191600  -5 2157  DL6BCZ DL4SZB JO63
191630  -4 2158  <...> DL4SZB JO63
191645 -10 1252  DL4SZB S5/M0MPM +01
191700  -7 2157  <...> DL4SZB R+03
191930 -13 2157  S5/M0MPM DL4SZB R-08
192100 -15 2157  DJ2KP DL4SZB JO63 (x3)
192215  +0 1842  DL4SZB DJ2KP +01
192230  -9 2157  DJ2KP DL4SZB R+25
192245  -6 1842  DL4SZB DJ2KP RR73
192300  -9 2157  DJ2KP DL4SZB 73
192400  -9 2157  DL4BBY DL4SZB JO63
192515  -6 2157  PE1MMZ DL4SZB JO63 (x2)
40m 
UTC    dB Audio  Message
164545  -7  714  DL5DRM/LH DL4SZB R-15
164830  -6  779  <...> DL4SZB JO63
164915 -10  734  DL4SZB DL7ANC/LH -20
164930  -6  779  <...> DL4SZB R-09
165100  -6  779  DL7ANC/LH DL4SZB JO63
182915  -1  641  DL1CBS/P DL4SZB JO63 (x2)
183030 -23 1899  DL4SZB DL1CBS/P +07 (x2)
061800  -9 1026  DA0LH DL4SZB JO63 (x4)
140400 -12 1402  DL4SZB DL0MFK/LH -12 (x2)
20m 
UTC    dB Audio  Message
145045 -15 2092  <...> DL4SZB R-09 (x3)
063245 -13 1118  K2L DL4SZB -13 (x2)
091045  -2 2503  VP5G DL4SZB JO63 (x10)

Decoder S/N history by band

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