K4JJW — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: United States Locator transmitted in a decoded message: FM15

Receiver-side FT8 activity involving K4JJW, decoded by SO8OO in southeastern Poland. 38 related FT8 messages, observed on 80m, 60m, 20m, 10m, across 6 UTC dates. Heard between 2026-04-21 and 2026-06-13.

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

38
Related messages
0
CQ messages
6
UTC dates heard
-4 dB
Mean decoder S/N

Bands

First seen: 2026-04-21
Last seen: 2026-06-13 00:18 UTC

Frequent QSO partners observed at SO8OO

Stations K4JJW worked most often, as logged from our receiver:

Activity Heatmap

Locator transmitted by K4JJW

Approximate centre of FM15, decoded 2026-06-13 02:06 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 UTCBandK4JJW S/NCounterpartCounterpart S/NMsgsCapture
06-13 02:16 20m - / -10 SP6VXO -7 / - 4 ✓ Closing fragment
06-13 02:13 20m -18 / - W4EIS - / - 2 ✓ Closing fragment
06-13 02:13 20m - / -12 SP6VXO -5 / - 2 Partial capture
06-13 02:05 20m -20 / - K6ODI - / - 4 ✓ Closing fragment
06-13 01:28 20m -16 / -4 A41KB -2 / +9 4 Partial capture
06-13 01:26 20m -16 / - YT3PL - / - 3 Partial capture
06-01 01:24 80m - / - DL1BBO +10 / - 3 Partial capture
06-01 01:24 80m - / - HB9MZI -16 / - 4 Partial capture
06-01 01:21 80m - / -17 F6EQZ +3 / - 3 ✓ Closing fragment
06-01 01:17 80m -19 / -15 F1PBZ +6 / -4 4 ✓ Full exchange observed
06-01 01:14 80m - / - IK6FWJ +12 / - 2 ✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

20m
UTC    dB Audio  Message
012915 -17 1635  A41KB K4JJW FM15
012930  -2 1635  K4JJW A41KB -04
012945 -16 1635  A41KB K4JJW R+09
020545 -19 1838  K6ODI K4JJW FM15 (x4)
021300  -5 1947  K4JJW SP6VXO -12
021315 -17 1838  W4EIS K4JJW +18
021330  -5 2147  K4JJW SP6VXO -12
021345 -19 1838  W4EIS K4JJW RR73
021600  -8 2148  K4JJW SP6VXO -10 (x4)
80m
UTC    dB Audio  Message
011545 +14 1732  K4JJW IK6FWJ 73
011715  +8  904  K4JJW F1PBZ -15 (x2)
011830 -19 2203  F1PBZ K4JJW R-04
011845  +8  904  K4JJW F1PBZ RR73
012115  +1 1839  K4JJW F6EQZ JN19 (x3)
012415 -18 2203  K4JJW HB9MZI JN46 (x2)
012445 +10 2798  K4JJW DL1BBO JO43 (x2)
012545 -17 2203  K4JJW HB9MZI JN46
012545  +9 2798  K4JJW DL1BBO JO43
012615 -15 2202  K4JJW HB9MZI JN46

Decoder S/N history by band

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