ON3JJT — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Belgium Locator transmitted in a decoded message: JO20

Receiver-side FT8 activity involving ON3JJT, decoded by SO8OO in southeastern Poland. 331 related FT8 messages, 45 CQ messages, observed on 40m, 20m, 10m, across 25 UTC dates. Heard between 2026-06-01 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

331
Related messages
45
CQ messages
25
UTC dates heard
-5 dB
Mean decoder S/N

Bands

First seen: 2026-06-01
Last seen: 2026-08-19 17:57 UTC

Activity Heatmap

Locator transmitted by ON3JJT

Approximate centre of JO20, decoded 2026-06-14 12:24 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 UTCBandON3JJT S/NCounterpartCounterpart S/NMsgsCapture
08-19 19:55 40m - / - SP3IPA -12 / - 5 Partial capture
08-19 19:54 40m - / - ON5RZ -10 / - 3 Partial capture
08-19 13:53 20m - / -12 IK2UIG -20 / - 2 Partial capture
08-19 09:54 20m - / - CU8AF -14 / - 3 Partial capture
08-19 09:53 20m - / -14 DK3HV 0 / - 6 Partial capture
08-16 10:06 40m - / -12 DL3MIB -13 / - 3 Partial capture
08-02 11:18 20m - / -9 M7INZ -10 / - 8 Partial capture
07-24 09:51 20m - / +5 OE6TNO -3 / - 10 Partial capture
07-24 09:49 20m - / -5 9A1CCS -14 / - 2 Partial capture
07-23 19:33 20m - / -15 TN8GD -12 / - 2 ✓ Closing fragment
07-23 10:41 20m - / -1 HB9CNU -7 / - 2 ✓ Closing fragment
07-08 08:46 20m -8 / - PY7XC - / - 3 Partial capture
07-04 19:54 20m - / - PD0IFI -10 / - 2 ✓ Closing fragment
06-22 19:12 40m - / -18 RD3BTW -7 / - 5 ✓ Closing fragment
06-22 18:36 20m 0 / -11 F1PBZ -6 / +3 4 ✓ Full exchange observed
06-22 18:33 20m +2 / - OE6HTG - / - 3 Partial capture
06-21 09:07 20m -3 / -15 TA3ZGR -8 / - 5 ✓ Closing observed
06-20 12:51 20m - / -16 F4BJN -12 / - 2 Partial capture
06-20 12:43 20m - / -17 TA3NK +3 / - 6 ✓ Closing fragment
06-20 12:42 20m - / - F4BJN -12 / - 2 Partial capture
06-20 12:12 20m - / - OE6TNO -8 / - 3 Partial capture
06-20 12:04 20m - / -11 9A1CCB +8 / - 2 Partial capture
06-20 11:22 20m - / - EU6AQ -6 / - 3 ✓ Closing fragment
06-20 10:15 20m -11 / +3 EA1C -13 / -1 6 Partial capture
06-20 10:12 20m -11 / -15 A71QQ -7 / -12 3 ✓ Full exchange observed
06-19 14:39 20m -7 / - A61CK - / - 3 Partial capture
06-19 14:33 20m -11 / - A61CK - / - 3 Partial capture
06-19 14:25 20m -11 / - A61CK - / - 2 Partial capture
06-19 14:17 20m -9 / - A61CK - / - 5 Partial capture
06-16 10:32 20m -14 / - A61OK - / - 2 Partial capture
06-16 09:56 20m - / -3 CT1BFP -12 / - 2 ✓ Closing fragment
06-16 09:52 20m - / -4 IQ9BF -10 / - 2 ✓ Closing fragment
06-16 09:26 20m - / -19 ZA5G +2 / - 3 ✓ Closing fragment
06-16 09:22 20m - / -16 ZA5G +2 / - 2 Partial capture
06-15 20:29 40m -12 / - Z62NS - / - 3 Partial capture
06-15 20:27 40m -6 / - OK1ZJK - / - 4 Partial capture
06-15 20:25 40m -10 / - F4DWC - / -15 2 ✓ Closing fragment
06-15 20:21 40m -7 / - EA8UP - / -3 5 ✓ Closing fragment
06-15 20:11 40m -8 / -22 HZ1TT -7 / -17 10 ✓ Full exchange observed
06-15 19:44 40m -8 / - Z62NS - / - 2 Partial capture
06-15 19:36 20m -8 / - K2EU - / - 2 ✓ Closing fragment
06-15 09:01 20m - / -20 EC3A -8 / - 2 ✓ Closing fragment
06-15 07:56 20m -6 / - IW3IEH - / -22 2 Partial capture
06-14 20:33 40m -9 / - IQ0VT - / - 4 Partial capture
06-14 20:31 40m -11 / - YT2FA - / - 4 Partial capture
06-14 13:07 20m -14 / - JY5IB - / - 3 Partial capture
06-14 12:44 20m - / - OH3BY -5 / - 3 ✓ Closing fragment
06-14 12:11 10m -12 / - EA1IOK - / -16 4 Partial capture
06-13 21:20 40m -6 / - EA8UP - / - 2 Partial capture
06-12 10:58 20m -15 / -15 RA3ZOM -1 / - 8 Partial capture

Recent FT8 messages decoded at SO8OO

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

40m
UTC    dB Audio  Message
191415  -4  538  ON3JJT RD3BTW RR73 (x2)
171045  -7  425  ON3JJT IZ3EAW R-11
100645 -13 1069  ON3JJT DL3MIB JN57 (x3)
194215 -14  629  F4ESO ON3JJT -07
195430  -8  542  ON3JJT ON5RZ JO21 (x2)
195500 -13 1012  ON3JJT SP3IPA JO82 (x2)
195600 -12  542  ON3JJT ON5RZ JO21
195600  -9 1012  ON3JJT SP3IPA JO82 (x3)
20m
UTC    dB Audio  Message
201815  -4  620  ON3JJT DH0GBC -15
095345  -7  665  ON3JJT DK3HV JO31
095415 -12 1258  ON3JJT CU8AF HM49
095415  +5  665  ON3JJT DK3HV R-14
095445 -16 1258  ON3JJT CU8AF HM49
095445  +0  665  ON3JJT DK3HV R-14
095515 -13 1257  ON3JJT CU8AF HM49
095515  -1  665  ON3JJT DK3HV R-14 (x3)
100345 -10 1079  ON3JJT IK5EEA JN53 (x2)
135245 -18 1755  ON3JJT F4HSB 73
135345 -18 1569  ON3JJT IK2UIG -12 (x2)
10m
UTC    dB Audio  Message
193645  -8  537  ON3JJT M0BEW RR73
121145  -9  470  EA1IOK ON3JJT -16 (x4)
121915 -16  470  L95EWY ON3JJT -19
122115 -12  470  CQ ON3JJT JO20 (x8)
114015 -15 1720  ON3JJT F4FSY -01

Decoder S/N history by band

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