KZ4ZZ — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: United States

Receiver-side FT8 activity involving KZ4ZZ, decoded by SO8OO in southeastern Poland. 723 related FT8 messages, observed on 80m, 60m, 40m, 20m, 10m, across 66 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

723
Related messages
0
CQ messages
66
UTC dates heard
-5 dB
Mean decoder S/N

Bands

80m 20m 40m 60m 10m
First seen: 2026-05-27
Last seen: 2026-08-23 23:36 UTC

Frequent QSO partners observed at SO8OO

Stations KZ4ZZ worked most often, as logged from our receiver:

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 UTCBandKZ4ZZ S/NCounterpartCounterpart S/NMsgsCapture
08-24 01:33 40m -16 / - G1CEC -9 / -14 4 Partial capture
08-24 01:31 40m -17 / - <...> - / -8 5 Partial capture
08-23 05:45 40m - / -17 F1PBZ -5 / - 4 Partial capture
08-22 02:43 80m -24 / - KU3J - / -15 2 ✓ Closing fragment
08-22 02:41 80m - / - DO9BAU +2 / - 3 Partial capture
08-22 02:36 80m -14 / -25 OH1MLZ +6 / - 7 ✓ Closing observed
08-21 05:41 20m -14 / - N1KHN - / -16 2 Partial capture
08-21 05:28 60m - / -18 F5OZC -10 / - 2 ✓ Closing fragment
08-21 05:19 20m -12 / - EA/SQ1MNC - / -14 2 Partial capture
08-21 04:55 40m - / -4 GJ0KYZ -18 / - 2 ✓ Closing fragment
08-21 02:18 60m - / -20 OH3JF -4 / - 2 Partial capture
08-19 04:52 80m - / - IW5EIJ -7 / - 9 Partial capture
08-17 05:10 20m -13 / -7 RK1AA -14 / -20 9 ✓ Closing observed
08-17 05:04 20m -8 / -12 7Z1XX -4 / -17 5 ✓ Full exchange observed
08-17 03:56 60m - / -19 SP8AWL +4 / - 3 ✓ Closing fragment
08-17 03:49 80m - / - DO1DX 0 / - 2 Partial capture
08-17 03:48 80m -24 / - N5SIX - / -1 3 ✓ Closing fragment
08-17 02:23 60m - / -16 F1TFT -10 / - 2 ✓ Closing fragment
08-16 06:13 20m - / -11 F1PBZ 0 / - 3 Partial capture
08-15 22:57 40m - / -9 DD6WF -7 / - 2 ✓ Closing fragment
08-15 01:54 60m - / -20 IK8WEJ -8 / - 2 ✓ Closing fragment
08-14 03:05 60m - / -11 SV8JE 0 / - 3 ✓ Closing fragment
08-14 02:28 60m - / -18 SM4IED +1 / - 3 ✓ Closing fragment
08-14 02:16 60m - / -17 SP6EFY -12 / - 6 ✓ Closing fragment
08-14 02:15 60m - / -23 OZ8ABA +6 / - 2 ✓ Closing fragment
08-12 03:02 80m - / - DK1MCS +8 / - 5 Partial capture
08-12 03:00 80m -24 / -11 IU2SLB +12 / -19 7 ✓ Full exchange observed
08-12 02:59 80m -16 / - AJ4BH - / +4 2 Partial capture
08-12 02:57 80m - / - RX6DA -4 / - 3 Partial capture
08-12 02:56 80m - / - OH1MLZ +10 / - 3 Partial capture
08-12 02:55 80m -12 / - T43FCR - / -10 6 Partial capture
08-12 02:52 80m - / - OH1MLZ +9 / - 3 Partial capture
08-12 02:49 80m - / - DK1MCS +4 / - 6 Partial capture
08-10 06:31 20m - / - OZ6G -9 / - 2 Partial capture
08-10 03:06 60m - / -5 5B4VL -1 / - 3 ✓ Closing fragment
08-10 02:53 80m -15 / - KC1OT - / -21 5 Partial capture
08-10 02:48 80m -13 / - DH2YBG - / -21 3 Partial capture
08-10 02:38 80m -19 / - KB5YNF - / -16 9 ✓ Closing fragment
08-10 02:23 80m -20 / -11 PI4DX +15 / -17 19 ✓ Closing observed
08-10 02:22 80m -21 / +5 KZ8C -22 / -4 3 ✓ Full exchange observed
08-10 02:17 80m - / - PI4DX +14 / - 4 Partial capture
08-10 02:14 80m -14 / - <...> - / -16 2 Partial capture
08-09 23:39 60m - / +3 PE1MHY -10 / - 2 Partial capture
08-09 23:12 20m - / -11 EN35UKR -10 / - 3 Partial capture
08-09 23:09 20m - / - RA3ZH +2 / - 2 Partial capture
08-09 02:57 60m - / -5 KB3CCJ -14 / - 4 ✓ Closing fragment
08-09 02:47 60m - / -17 YT7DX -7 / - 2 ✓ Closing fragment
08-09 01:59 60m - / - KP2B -16 / - 2 ✓ Closing fragment
08-09 01:12 60m - / -11 M0LOW -5 / - 6 ✓ Closing fragment
08-09 00:43 60m - / -20 SV2DGJ +5 / - 3 ✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

40m 
UTC    dB Audio  Message
053030 +15 2758  KZ4ZZ SP6TL -11
054515  -5 2686  KZ4ZZ F1PBZ -17 (x4)
013100 -18 1174  <...> KZ4ZZ -08 (x4)
013345  -9 2147  KZ4ZZ G1CEC IO83
013400 -16 1175  <...> KZ4ZZ -08
013430 -17 1175  G1CEC KZ4ZZ -14 (x3)
013615  -5  788  KZ4ZZ UB6OFG KN98
20m 
UTC    dB Audio  Message
051030 -16 1214  KZ4ZZ RK1AA 73
051215 -14 1216  RK1AA KZ4ZZ R-20 (x2)
051300 -15 1214  KZ4ZZ RK1AA RR73
051315 -14 1216  RK1AA KZ4ZZ R-20
051330 -12 1214  KZ4ZZ RK1AA RR73
051345 -13 1216  RK1AA KZ4ZZ 73
064415  +2 1369  KZ4ZZ <...> R-11
065200 -13  881  KZ4ZZ DB1BAC/P R-14
051900 -10 1582  AO2026FM KZ4ZZ -14
051930 -13 1581  EA/SQ1MNC KZ4ZZ -14 (x2)
054130 -15 1576  N1KHN KZ4ZZ -16 (x2)
224730  -5 1537  WZ8DX KZ4ZZ -07
80m 
UTC    dB Audio  Message
045545  -7 1596  KZ4ZZ IW5EIJ JN53 (x3)
023600  +6  908  KZ4ZZ OH1MLZ R-25 (x4)
023745 -14  907  OH1MLZ KZ4ZZ RR73
023800  +3  908  KZ4ZZ OH1MLZ 73
023815 -14  907  OH1MLZ KZ4ZZ 73
024115  +2 2302  KZ4ZZ DO9BAU JO62 (x3)
024330 -24  604  KU3J KZ4ZZ -15 (x2)
60m 
UTC    dB Audio  Message
015515  -9 1558  KZ4ZZ IK8WEJ 73
013745 -21 1352  KZ4ZZ IZ0GRR JN61
022315 -11 1035  KZ4ZZ F1TFT R-16 (x2)
035615  +6  703  KZ4ZZ SP8AWL KO11 (x3)
011930  -4 1257  KZ4ZZ OJ0YL RR73
012100  -6 1257  KZ4ZZ RR73; F5PBG <...> +00
021600 -15 2501  KZ4ZZ VE3ARF -16
021815  -2 2439  KZ4ZZ OH3JF R-20 (x2)
045115  -2 1311  KZ4ZZ IK8HJC JN70
052815 -10 1155  KZ4ZZ F5OZC -18 (x2)
10m 
UTC    dB Audio  Message
175200 -14 2219  KZ4ZZ ZV1VV R-15
175530  -8 2219  KZ4ZZ RR73; R3RR <...> -12
120800  -8 2275  KZ4ZZ 7Q8AK R-17 (x2)
203400 -13 1625  KZ4ZZ PS8CW R-16 (x2)
224600 -13 1125  KZ4ZZ IW7EGY JN80 (x4)
202445 -11 1583  KZ4ZZ PT7YV R-09 (x2)
200600 -23 1609  KZ4ZZ PS8ARP +04 (x2)
175245 -11 1008  KZ4ZZ OD5ET 73

Decoder S/N history by band

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