KB1TZ — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: United States

Receiver-side FT8 activity involving KB1TZ, decoded by SO8OO in southeastern Poland. 202 related FT8 messages, 27 CQ messages, observed on 40m, 20m, across 37 UTC dates. Heard between 2026-05-25 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

202
Related messages
27
CQ messages
37
UTC dates heard
-5 dB
Mean decoder S/N

Bands

First seen: 2026-05-25
Last seen: 2026-08-23 06:43 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 UTCBandKB1TZ S/NCounterpartCounterpart S/NMsgsCapture
08-23 08:39 20m - / - DL1R +3 / - 9 Partial capture
08-21 21:30 20m - / -16 IV3IQY 0 / - 4 Partial capture
08-21 21:25 20m - / - PD2V +10 / - 2 Partial capture
08-08 20:36 20m - / +3 IU3BIX +1 / - 3 ✓ Closing fragment
08-02 05:43 20m - / -15 DL3OCF -6 / - 2 ✓ Closing fragment
08-02 05:41 20m - / -12 RO1M -14 / - 2 Partial capture
08-01 03:11 20m - / -19 UB4CJS -9 / - 5 Partial capture
08-01 03:09 20m - / -6 RU4SS -9 / - 3 ✓ Closing fragment
08-01 03:09 20m - / - R7MP -13 / - 2 Partial capture
07-31 03:36 20m - / -12 DL1UDO -22 / - 2 Partial capture
07-31 03:34 20m -3 / - HP2NG - / +8 2 ✓ Closing fragment
07-31 03:31 20m -6 / - US1VM - / -9 2 ✓ Closing fragment
07-31 03:29 20m - / -4 4X1UF -14 / - 2 ✓ Closing fragment
07-31 03:15 20m - / -4 4Z4DX -14 / - 2 ✓ Closing fragment
07-30 04:56 20m - / - RX3ASQ -16 / - 2 Partial capture
07-29 20:38 20m - / - 4L7T -6 / - 4 Partial capture
07-29 20:37 20m - / - M0KZC/P -4 / - 5 Partial capture
07-28 04:33 20m - / - RC6OX -4 / - 4 Partial capture
07-26 03:54 20m - / -13 RW4HBG +10 / - 2 ✓ Closing fragment
07-25 20:57 20m -6 / - RC6O - / -14 3 Partial capture
07-25 04:49 20m - / -15 T77BL -8 / - 2 ✓ Closing fragment
07-24 03:16 20m - / -14 RK6AAC -19 / - 3 ✓ Closing fragment
07-23 05:39 20m - / - E74PA -4 / - 2 ✓ Closing fragment
07-23 00:56 20m - / +4 IK4TVP -22 / - 2 Partial capture
07-23 00:52 20m - / -11 CR7BUJ -20 / - 2 ✓ Closing fragment
07-23 00:40 20m - / -10 PD0IFI -8 / - 2 Partial capture
07-21 03:25 20m - / -5 UR3LM +6 / - 2 ✓ Closing fragment
07-21 03:23 20m - / - RA6OF -16 / - 2 Partial capture
07-21 03:23 20m - / -15 UT3RS +6 / - 3 ✓ Closing fragment
07-17 18:06 20m - / -14 IK4LZH -8 / - 2 ✓ Closing fragment
07-07 20:48 20m - / -15 SP4AB -8 / - 2 Partial capture
06-24 01:27 20m -16 / - IW2ODG - / -2 2 Partial capture
06-22 20:57 20m - / -11 US7UR -6 / - 2 ✓ Closing fragment
06-22 20:50 20m - / -13 M7JVT -8 / - 2 ✓ Closing fragment
06-21 20:55 20m - / -13 M0PBG +13 / - 3 ✓ Closing fragment
06-21 20:50 20m - / -14 M0VGB -6 / - 2 Partial capture
06-18 12:04 20m - / -11 F1PSX +4 / - 3 Partial capture
06-18 00:17 40m - / - SV1MOZ -20 / - 2 Partial capture
06-17 23:08 20m -20 / - R0AW - / -6 2 Partial capture
06-17 23:04 20m -12 / - K9LE - / -3 2 Partial capture
06-17 23:00 20m -8 / -9 RA6OY +14 / +6 10 ✓ Full exchange observed
06-13 01:53 20m - / - RN3DN +17 / - 3 Partial capture
06-12 00:21 20m -4 / -14 HZ1BQ +6 / +6 5 ✓ Full exchange observed
06-10 00:37 20m - / -17 A92AE +6 / - 2 ✓ Closing fragment
06-10 00:33 20m -1 / - IK4LZH -11 / +6 2 Partial capture
06-10 00:33 20m +1 / - W1LTL - / +2 2 ✓ Closing fragment
06-10 00:27 20m - / +4 TA7I +3 / - 3 ✓ Closing fragment
06-10 00:27 20m -8 / -5 HA1BF -20 / +2 4 ✓ Full exchange observed
06-09 21:30 20m - / - F4MXU -6 / - 2 Partial capture
06-09 21:24 20m - / -11 EA5L -9 / - 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
212645  -4  787  IV3IQY KB1TZ -08
213030  +2  788  KB1TZ IV3IQY R-16 (x4)
213715  -8 1389  KB1TZ IR7MGGC R-04
083915  +2 2659  KB1TZ DL1R JN58 (x9)
40m
UTC    dB Audio  Message
001730 -21 1102  KB1TZ SV1MOZ KM17 (x2)

Decoder S/N history by band

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