4X1YA — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Israel Locator transmitted in a decoded message: KM72

Receiver-side FT8 activity involving 4X1YA, decoded by SO8OO in southeastern Poland. 1,305 related FT8 messages, 535 CQ messages, observed on 80m, 40m, 20m, 10m, across 22 UTC dates. Heard between 2026-05-19 and 2026-08-16.

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

1,305
Related messages
535
CQ messages
22
UTC dates heard
-5 dB
Mean decoder S/N

Bands

First seen: 2026-05-19
Last seen: 2026-08-16 11:44 UTC

Activity Heatmap

Locator transmitted by 4X1YA

Approximate centre of KM72, decoded 2026-08-16 13:44 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 UTCBand4X1YA S/NCounterpartCounterpart S/NMsgsCapture
08-16 13:41 20m -18 / - DK3HV -20 / - 2 ✓ Closing observed
08-16 13:20 20m -19 / - RW3C/P - / -10 3 Partial capture
08-16 13:19 20m -18 / -11 DK9ZC +4 / - 4 ✓ Closing observed
08-16 13:16 20m - / - IZ4AIF -10 / - 2 Partial capture
08-16 13:14 20m -16 / -14 PD4JVB -8 / -14 4 ✓ Full exchange observed
08-16 13:12 20m -17 / - IU4OKS -20 / -14 2 Partial capture
08-16 13:10 20m -15 / - Z35WTF - / -13 2 ✓ Closing fragment
08-16 13:07 20m -18 / - RW3C/P - / -15 2 Partial capture
08-16 12:50 20m - / - PD3LKN -19 / - 7 Partial capture
08-16 12:48 20m -17 / -1 Z61DX -7 / -15 4 ✓ Full exchange observed
08-14 07:11 20m - / -13 RW4Z -17 / - 2 ✓ Closing fragment
08-14 07:11 20m - / - HB9SDO -12 / - 2 Partial capture
08-14 07:11 20m - / - M0MLS -20 / - 2 Partial capture
08-14 07:03 20m - / -15 IU8QTW -8 / - 4 ✓ Closing fragment
08-14 07:00 20m - / -14 ON3ZEP/P -16 / - 2 Partial capture
08-14 06:56 20m - / - IU8QTW -6 / - 5 Partial capture
08-14 06:37 20m - / -7 G0ANS -12 / - 3 ✓ Closing fragment
08-14 06:36 20m - / +1 LZ1ZF -12 / - 3 ✓ Closing fragment
08-14 06:35 20m - / -4 RN7B -4 / - 3 ✓ Closing fragment
08-14 06:29 20m - / - IK4LZH -7 / - 2 Partial capture
08-14 06:29 20m - / - LZ2KV +14 / - 2 Partial capture
08-14 06:26 20m - / - UR3QRP -8 / - 2 Partial capture
08-14 06:22 20m - / - EA3CUU -12 / - 3 ✓ Closing fragment
08-14 06:20 20m - / -12 PD2WL -14 / - 2 Partial capture
08-14 06:00 20m - / - EA5XA +1 / - 4 Partial capture
08-14 05:56 20m - / -10 RN6MA -5 / - 4 Partial capture
08-14 05:53 20m - / - TA3NK -6 / - 2 Partial capture
08-14 05:50 20m - / - EA5XA -7 / - 5 Partial capture
08-14 05:50 20m - / -6 RN6MA -3 / - 3 Partial capture
08-14 05:49 20m - / -6 F1PBZ +2 / - 2 Partial capture
08-09 23:55 80m - / - R3DQK -19 / - 2 Partial capture
08-09 23:49 80m - / - DH1KJ +14 / - 2 Partial capture
08-09 23:46 80m - / - 9A2TN +6 / - 4 Partial capture
08-09 23:44 80m +3 / -2 UT6HN +12 / - 3 ✓ Full exchange observed
08-09 23:34 80m - / -9 <...> +14 / - 44 Partial capture
08-09 23:30 80m +1 / -8 DK6ED +4 / -9 9 ✓ Full exchange observed
08-09 23:30 80m -1 / -7 RA3DA 0 / 0 4 ✓ Full exchange observed
08-09 23:28 80m +4 / -5 UR5KC +23 / -3 5 ✓ Full exchange observed
08-09 23:26 80m +1 / -13 UA6CE +20 / - 4 ✓ Full exchange observed
08-09 23:21 80m - / -10 <...> +11 / - 6 Partial capture
08-09 23:21 80m - / - UR5KC +16 / - 2 Partial capture
08-09 23:18 80m -3 / - AP5ARS - / -19 3 Partial capture
08-09 23:14 80m -6 / -12 G8OO -2 / -14 6 ✓ Closing observed
08-09 23:13 80m -2 / -10 DO1OAS -6 / -17 4 ✓ Full exchange observed
08-09 23:12 80m -8 / -11 CR5VP -22 / -17 4 ✓ Full exchange observed
08-09 23:08 80m -6 / - AP5ARS - / -21 4 Partial capture
08-09 23:07 80m - / -11 EN35UKR -8 / - 2 Partial capture
08-04 12:13 20m - / -17 M7JVH -22 / - 2 Partial capture
08-04 12:11 20m - / -2 EA3GEH -18 / - 2 ✓ Closing fragment
08-04 12:06 20m - / -19 DL4ZAQ -18 / - 3 Partial capture

Recent FT8 messages decoded at SO8OO

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

20m
UTC    dB Audio  Message
133445 -20 1326  CQ 4X1YA KM72 (x7)
134100 -20 1326  4X1YA DK3HV JO31
134145 -18 1326  DK3HV 4X1YA RR73
134215 -21 1326  CQ 4X1YA KM72 (x5)
134515 -18 1327  IW5ALZ 4X1YA -18
80m
UTC    dB Audio  Message
235530  +4  546  CQ 4X1YA KM72
235545 -16 2204  4X1YA R3DQK KO95
235545 +16  545  4X1YA <...> -18
235600  +5  546  CQ 4X1YA KM72
235615 +11  546  4X1YA <...> -14
235615 -22 2204  4X1YA R3DQK KO95
235630  +4  546  CQ 4X1YA KM72
235645 +17  546  4X1YA <...> -14
235700  +7  546  CQ 4X1YA KM72
235715 +13  546  4X1YA <...> -13
235730  +2  546  CQ 4X1YA KM72
235745 +11  546  4X1YA <...> -13
235800  -3  546  CQ 4X1YA KM72
235815 +13  547  4X1YA <...> -18 (x2)
40m
UTC    dB Audio  Message
024130 -21 1538  <...> 4X1YA -10
024615 -21 1600  4X1YA EC3A -09 (x3)
10m
UTC    dB Audio  Message
103800 -17 1684  4X1YA YD2GYO OI43 (x3)
122600 -12 1916  4X1YA 7Q3WS R+24 (x2)
125200 -17 1188  4X1YA ZS4OIL KG33 (x4)
134730 -13  950  4X1YA M0JFG IO82 (x3)
135245 -24 1713  CQ 4X1YA KM72

Decoder S/N history by band

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