ON5JDB — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Belgium Locator transmitted in a decoded message: JO11

Receiver-side FT8 activity involving ON5JDB, decoded by SO8OO in southeastern Poland. 462 related FT8 messages, 137 CQ messages, observed on 80m, 40m, 20m, 10m, across 34 UTC dates. Heard between 2026-05-09 and 2026-08-07.

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.

FT8DB and SO8OO WebSDR are a hobby project maintained solo. ☕ Buy me a coffee

Overview

462
Related messages
137
CQ messages
34
UTC dates heard
-8 dB
Mean decoder S/N

Bands

80m 40m 20m 10m
First seen: 2026-05-09
Last seen: 2026-08-07 14:03 UTC

Frequent QSO partners observed at SO8OO

Stations ON5JDB worked most often, as logged from our receiver:

Activity Heatmap

Locator transmitted by ON5JDB

Approximate centre of JO11, decoded 2026-08-07 19:19 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 UTCBandON5JDB S/NCounterpartCounterpart S/NMsgsCapture
08-07 16:02 40m - / +5 DK9BF -14 / - 3 ✓ Closing fragment
08-07 08:58 40m - / -20 SP9TEX -23 / - 2 Partial capture
08-01 16:52 40m - / +3 DJ7BU -10 / - 2 ✓ Closing fragment
07-31 16:56 20m - / -6 F1PPH -19 / - 3 ✓ Closing fragment
07-31 16:46 20m -24 / - PD0HLA -22 / - 2 ✓ Closing observed
07-31 16:45 20m -24 / - PD3LKN -18 / - 2 ✓ Closing observed
07-31 16:34 20m -24 / -9 UA3SNB -14 / -3 3 Partial capture
07-29 19:31 40m -22 / -1 RW4YD -14 / - 3 Partial capture
07-27 21:28 80m - / - SQ8AA +8 / - 3 ✓ Closing fragment
07-27 21:27 80m - / -7 OE1TKS +9 / - 3 ✓ Closing fragment
07-27 21:21 80m - / +2 DO1MDO -8 / - 2 ✓ Closing fragment
07-27 21:18 80m - / - OE5BUC -1 / - 3 Partial capture
07-27 21:06 80m -4 / - UA4FET +6 / -4 2 Partial capture
07-27 21:05 80m -4 / 0 DA6HU -13 / -15 4 ✓ Full exchange observed
07-27 21:03 80m -8 / -6 E70SZ +8 / - 5 ✓ Full exchange observed
07-27 21:02 80m -10 / -11 YT5DL +9 / 0 5 ✓ Full exchange observed
07-27 21:00 80m -4 / - ON8PR - / - 2 ✓ Closing fragment
07-27 20:58 80m -2 / +7 DA6YY -13 / -23 5 ✓ Full exchange observed
07-27 20:55 80m -6 / -1 <...> +5 / +8 2 Partial capture
07-27 20:52 80m -9 / - EA8AJ - / -12 2 ✓ Closing fragment
07-27 20:49 80m -5 / -7 DO1TEM -6 / -1 3 Partial capture
07-27 20:48 80m -12 / - M7ILR - / -3 2 ✓ Closing fragment
07-27 20:47 80m -12 / -10 R5ZJ +2 / -6 4 ✓ Full exchange observed
07-27 20:44 80m -4 / - IV3DSG - / +8 2 ✓ Closing fragment
07-27 20:42 80m -13 / -8 9A1BTU +9 / - 5 ✓ Full exchange observed
07-27 20:40 80m -14 / - DH1JAD - / - 2 ✓ Closing fragment
07-27 20:39 80m - / - OE5BUC +1 / - 5 Partial capture
07-27 20:35 80m -14 / 0 IV3IHV +6 / -3 5 ✓ Full exchange observed
07-27 20:35 80m -2 / -14 UR4UM -4 / - 5 ✓ Closing observed
07-27 20:32 80m -2 / - R7CD +1 / -7 3 ✓ Closing observed
07-27 20:30 80m -1 / +5 DL3BH -6 / +7 7 ✓ Full exchange observed
07-27 20:28 80m - / +9 DL9PN -5 / - 3 ✓ Closing fragment
07-27 20:23 80m -3 / - IK0HBN - / - 3 Partial capture
07-27 20:19 80m -3 / -6 LY2HM +3 / -7 4 ✓ Full exchange observed
07-27 20:17 80m -12 / +7 M0GDX -8 / +1 5 ✓ Full exchange observed
07-27 20:14 80m -6 / +4 DJ9WJ +4 / -2 5 ✓ Full exchange observed
07-27 20:12 80m -12 / - G7PTV - / -6 3 ✓ Closing fragment
07-27 20:08 80m -15 / +2 OK2BPU +7 / -14 4 ✓ Full exchange observed
07-27 19:44 80m -12 / -8 HA1UA +4 / -10 5 ✓ Full exchange observed
07-27 19:38 20m -4 / - EX8ABR - / - 2 Partial capture
07-27 19:25 20m -21 / - EX8ABR - / - 2 Partial capture
07-27 19:18 20m -16 / +7 GI4TMB -9 / +10 7 ✓ Full exchange observed
07-27 19:01 20m -17 / - XV9B - / - 4 Partial capture
07-27 18:57 20m - / -4 F1PBZ -6 / - 2 Partial capture
07-27 18:41 20m - / -10 R4FDW -15 / - 10 Partial capture
07-25 06:48 10m -17 / - LZ1ON - / -14 2 Partial capture
07-25 06:42 10m -17 / - DN9MNE - / -2 4 ✓ Closing fragment
07-21 16:44 10m -11 / - SQ5NAP - / - 2 Partial capture
07-21 16:42 10m -13 / - J69DS - / +3 3 ✓ Closing fragment
07-21 16:37 10m -12 / -14 F4HTA -13 / -15 4 Partial capture

Recent FT8 messages decoded at SO8OO

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

40m 
UTC    dB Audio  Message
224800 -19 1776  OA4ENG ON5JDB 73
224900 -17 1301  WP4RBS ON5JDB JO11
225030 -17 1301  SQ9CXH ON5JDB RR73
193130 -22 1739  RW4YD ON5JDB JO11
193145 -12 1739  ON5JDB RW4YD -01 (x2)
193430 -17 1740  RW4YD ON5JDB R-07
165215  -8  854  ON5JDB DJ7BU R+03 (x2)
085815 -22 1756  ON5JDB SP9TEX -20 (x2)
160200 -13 1955  ON5JDB DK9BF +05 (x3)
191900 -17 2192  GM0VGI ON5JDB JO11
20m 
UTC    dB Audio  Message
164645 -22 1555  ON5JDB PD0HLA RR73
165030 -24 1656  CQ ON5JDB JO11                        a1 (x6)
165545 -15 2032  ON5JDB PD1ADA 73
165600 -24 1656  CQ ON5JDB JO11 (x2)
165645 -19 1657  ON5JDB F1PPH JN25 (x3)
165830 -19 1656  CQ ON5JDB JO11
165945 -12 1656  ON5JDB F1ODM +05
80m 
UTC    dB Audio  Message
211315 -10  805  CQ ON5JDB JO11
211700  +3 2562  ON5JDB IQ4JO JN63
211800  +2  413  ON5JDB OE5BUC JN67 (x3)
212130  -8 1925  ON5JDB DO1MDO R+02 (x2)
212345  -4  805  CQ ON5JDB JO11
212630  -2 2563  ON5JDB IQ4JO JN63
212700 +11  535  ON5JDB OE1TKS JN88 (x3)
212800  +7 2318  ON5JDB SQ8AA KN19 (x3)
10m 
UTC    dB Audio  Message
164315 -13 2293  J69DS ON5JDB R+03 (x2)
164415 -11  935  SQ5NAP ON5JDB JO11 (x2)
064230 -20 1445  DN9MNE ON5JDB JO11 (x4)
064830 -14 1670  LZ1ON ON5JDB JO11 (x2)
065200 -16 1245  ES2HV ON5JDB +04
065300 -15 1245  HG8LXL ON5JDB RR73
065345 -20 1433  IU2EBR ON5JDB JO11
200030  -8  339  ON5JDB PY9AA RR73
200530 -19 1532  ON5JDB PP5BP -13

Decoder S/N history by band

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