KK4JO — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: United States

Receiver-side FT8 activity involving KK4JO, decoded by SO8OO in southeastern Poland. 163 related FT8 messages, 2 CQ messages, observed on 40m, 20m, across 19 UTC dates. Heard between 2026-05-27 and 2026-08-23.

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

163
Related messages
2
CQ messages
19
UTC dates heard
-9 dB
Mean decoder S/N

Bands

First seen: 2026-05-27
Last seen: 2026-08-23 02:08 UTC

Activity Heatmap

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 UTCBandKK4JO S/NCounterpartCounterpart S/NMsgsCapture
08-23 04:07 20m - / - UA3ZNQ -9 / - 2 Partial capture
08-23 04:06 20m - / -10 SV5BYP -13 / - 5 ✓ Closing fragment
08-23 03:50 20m - / -17 UT3RS +13 / - 3 ✓ Closing fragment
08-10 01:53 40m - / - DL3MIB -12 / - 6 Partial capture
08-10 01:43 40m - / - UR1CCT -9 / - 2 Partial capture
08-06 03:57 40m - / -9 HB9EFK +3 / - 3 Partial capture
08-06 03:55 40m - / - DL3OCF +2 / - 2 ✓ Closing fragment
08-06 03:53 40m - / -15 HB10GBT -14 / - 2 Partial capture
07-17 04:02 40m - / -16 HB9DGK -4 / - 2 Partial capture
07-12 07:56 20m - / - DL1UDO -12 / - 4 Partial capture
07-12 07:38 20m - / -24 HB9TIH -18 / - 3 Partial capture
07-12 07:36 20m - / -6 EA3RR -20 / - 3 ✓ Closing fragment
07-12 07:32 20m - / -10 IT9SBE -14 / - 2 ✓ Closing fragment
07-12 07:19 20m - / -16 EA2DP -10 / - 2 Partial capture
07-12 04:51 40m - / - DJ0MAB +2 / - 3 Partial capture
07-12 04:45 40m - / -16 DJ0MAB +2 / - 5 Partial capture
07-12 04:26 40m - / - IC8TEM -9 / - 3 Partial capture
07-12 04:22 40m - / - IU1TLG -9 / - 9 Partial capture
07-12 04:21 40m - / 0 DK7ZT -19 / - 4 Partial capture
07-08 04:31 20m - / - HB9TIH -22 / - 2 Partial capture
07-08 04:29 20m - / - DF2KK -3 / - 9 Partial capture
07-08 04:14 40m - / -12 LA8ENA -8 / - 4 Partial capture
07-08 04:12 40m - / -13 IK4RVY -10 / - 10 Partial capture
07-08 03:58 40m - / +4 LX1TI -4 / - 3 Partial capture
06-29 02:43 20m - / +4 IK4LZH -8 / - 3 ✓ Closing fragment
06-29 02:36 20m - / - DL1R -17 / - 2 Partial capture
06-29 02:30 20m - / -19 US5HL -16 / - 3 ✓ Closing fragment
06-29 02:28 20m - / - UA3ZAB -16 / - 2 Partial capture
06-26 04:22 20m - / +7 LZ1KU +14 / - 2 ✓ Closing fragment
06-25 06:06 40m - / -2 DK7ZT -17 / - 4 Partial capture
06-25 05:59 40m - / -9 DK7ZT -13 / - 3 Partial capture
06-25 05:41 40m - / -13 ON4VMA -15 / - 2 Partial capture
06-25 05:39 40m - / -8 DK7ZT -18 / - 2 Partial capture
06-20 04:20 40m - / - DJ0MAB +7 / - 3 Partial capture
06-20 04:20 40m - / -4 DK7ZT -6 / - 3 Partial capture
05-30 09:57 20m - / -11 F8NHF -21 / - 4 ✓ Closing fragment
05-28 03:31 20m - / -17 R7WA +12 / - 4 ✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

20m
UTC    dB Audio  Message
075745 -10 1343  KK4JO DL1UDO JO31 (x2)
052245  -4 2370  KK4JO F4LNM JN09
071315  -2  541  KK4JO M9KJY -23
035045 +10 2475  KK4JO UT3RS KO60 (x3)
040445 -10  343  KK4JO RA6ZS KN98
040630 -18 1975  KK4JO SV5BYP KM46
040700  -9 1087  KK4JO UA3ZNQ KO81
040700 -10 1975  KK4JO SV5BYP KM46
040730  -9 1088  KK4JO UA3ZNQ KO81
040730 -12 1975  KK4JO SV5BYP R-10 (x3)
40m
UTC    dB Audio  Message
035745  +1 2812  KK4JO HB9EFK -09 (x3)
014330 -12 2136  KK4JO UR1CCT KN69 (x2)
014600  -7  924  KK4JO P40AA RR73
015300  -6 1069  KK4JO DL3MIB JN57
015330 -14 2578  KK4JO R2EA -22
015330 -20 1340  KK4JO UA3ZUX KO90
015330  +6  287  KK4JO SP5EXA KO02
015330  -8 1069  KK4JO DL3MIB JN57 (x5)

Decoder S/N history by band

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