KB4XT — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: United States Locator transmitted in a decoded message: EM71

Receiver-side FT8 activity involving KB4XT, decoded by SO8OO in southeastern Poland. 209 related FT8 messages, 4 CQ messages, observed on 40m, 20m, 10m, across 29 UTC dates. Heard between 2026-05-29 and 2026-08-24.

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

209
Related messages
4
CQ messages
29
UTC dates heard
-6 dB
Mean decoder S/N

Bands

First seen: 2026-05-29
Last seen: 2026-08-24 06:13 UTC

Activity Heatmap

Locator transmitted by KB4XT

Approximate centre of EM71, decoded 2026-08-24 07:51 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 UTCBandKB4XT S/NCounterpartCounterpart S/NMsgsCapture
08-24 08:12 20m - / -24 ON1JP -5 / - 3 Partial capture
08-24 08:09 20m - / - CT2HEX -14 / - 2 Partial capture
08-24 08:04 20m - / - DG0OCY +7 / - 2 Partial capture
08-24 08:03 20m - / -9 OH6IH -6 / - 3 Partial capture
08-24 08:03 20m - / - DL1LKG +2 / - 2 Partial capture
08-24 07:40 20m - / -24 M8KKH -13 / - 5 ✓ Closing fragment
08-24 07:35 20m - / -12 DJ3HW +10 / - 2 ✓ Closing fragment
08-24 07:32 20m - / -7 IZ0ZIP +1 / - 2 Partial capture
08-23 02:50 20m -2 / - F4ASA - / - 2 Partial capture
08-23 02:46 20m -2 / -3 A93MO -11 / -18 4 ✓ Full exchange observed
08-23 02:43 20m 0 / - 9K2MP - / - 4 Partial capture
08-23 02:42 20m 0 / - DB3EH - / - 2 Partial capture
08-22 04:07 40m - / -15 SP3IOE 0 / - 2 ✓ Closing fragment
08-22 03:54 20m - / -20 M9KJY 0 / - 5 Partial capture
08-01 05:01 40m - / -12 IU5TUG -16 / - 3 ✓ Closing fragment
08-01 04:38 20m +1 / - Z35T - / +3 3 ✓ Closing fragment
08-01 04:31 20m - / - 9K2OK -22 / - 2 Partial capture
08-01 04:22 20m -6 / -9 RA6MQ +1 / +10 3 ✓ Full exchange observed
07-29 02:03 40m - / -1 K5VRX -12 / - 2 ✓ Closing fragment
07-27 06:26 20m - / -10 F4JCU -15 / - 2 ✓ Closing fragment
07-27 06:12 20m - / - UR3LM +8 / - 2 Partial capture
07-27 06:11 20m - / - IK2JYT -6 / - 2 Partial capture
07-19 05:01 20m - / +2 IT9VCE -2 / - 3 ✓ Closing fragment
07-17 04:05 20m - / - UK8CFT -3 / - 3 Partial capture
07-17 04:01 20m - / - UR4QFP +1 / - 4 Partial capture
07-17 01:45 40m - / -18 IQ4JO -1 / - 5 ✓ Closing fragment
07-16 02:16 20m - / - IK2ZJR -6 / - 10 Partial capture
07-07 06:15 20m - / - DM2AL -19 / - 3 Partial capture
07-07 06:14 20m - / -22 DL1UDO -10 / - 2 ✓ Closing fragment
07-04 21:51 20m - / -16 EA9ABC -4 / - 4 ✓ Closing fragment
07-03 02:21 20m - / -15 UA9CK -20 / - 3 ✓ Closing fragment
06-29 06:23 20m - / 0 DA0WWA +4 / - 3 ✓ Closing fragment
06-29 06:22 20m - / - R3DHP -9 / - 2 Partial capture
06-24 01:56 20m - / -11 EK/RX3DPK -2 / - 2 Partial capture
06-24 01:54 20m -8 / - <...> - / -10 6 Partial capture
06-21 07:10 20m - / - PD1ADA -12 / - 6 Partial capture
06-17 02:38 20m -6 / - K7YHX - / - 2 Partial capture
06-17 02:36 20m -6 / - KG7A - / - 3 Partial capture
06-17 02:32 20m - / -11 TI5RR -4 / - 2 ✓ Closing fragment
06-17 02:28 20m +2 / - SP4TKA - / -11 5 ✓ Closing fragment
06-17 02:24 20m +2 / - EA1AA - / - 3 Partial capture
06-17 02:23 20m +5 / -17 9K2MP -8 / -12 5 ✓ Full exchange observed
06-17 02:20 20m 0 / - HG8LXL - / -3 2 Partial capture
06-17 02:17 20m +1 / - 9K2MP - / - 3 Partial capture
06-17 02:14 20m +7 / - VE3GJP +1 / - 2 ✓ Closing observed
06-15 08:57 20m - / -17 OK2MFD +2 / - 5 ✓ Closing fragment
06-15 08:51 20m - / -11 CT1BFP -14 / - 2 ✓ Closing fragment
06-14 08:07 20m - / - IK3JLT -13 / - 2 Partial capture
06-14 07:54 20m - / -14 F4ENR -8 / - 4 ✓ Closing fragment
06-14 07:49 20m - / -9 F5JNI -4 / - 5 ✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

20m
UTC    dB Audio  Message
075100 -14 2740  EA6EJ KB4XT EM71
075215 -17 2968  KB4XT OH6IH -13
080315  +2 2739  KB4XT DL1LKG JO31
080345  -8 2967  KB4XT OH6IH -09
080345  +1 2739  KB4XT DL1LKG JO31
080415  +2 2739  KB4XT DG0OCY JO60
080415  -2 2967  KB4XT OH6IH -15 (x2)
080445 +12 2739  KB4XT DG0OCY JO60
080915 -14  777  KB4XT CT2HEX IM58 (x2)
081145  -3 2739  KB4XT EA5AI R-05
081215  -2 2739  KB4XT ON1JP -24 (x3)
40m
UTC    dB Audio  Message
014630  -1 2439  KB4XT IQ4JO R-14 (x3)
020315 -13 1110  KB4XT K5VRX -01 (x2)
020645  -9 2687  KB4XT F1PBZ -10
014430 -19 1730  KB4XT G5TV IO93 (x2)
044845 -21 1448  KB4XT HB9BQP JN36
050100 -15 1772  KB4XT IU5TUG JN53 (x3)
004430  -5 2732  KB4XT SP6JIU RR73
040700 -13 2640  KB4XT SP3IOE R-15 (x2)
10m
UTC    dB Audio  Message
192245 -19 1956  KB4XT LU3HBA -03

Decoder S/N history by band

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