YO4CAI — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Romania Locator transmitted in a decoded message: KN35

Receiver-side FT8 activity involving YO4CAI, decoded by SO8OO in southeastern Poland. 122 related FT8 messages, 28 CQ messages, observed on 20m, 10m, across 22 UTC dates. Heard between 2026-05-27 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

122
Related messages
28
CQ messages
22
UTC dates heard
-9 dB
Mean decoder S/N

Bands

20m 10m
First seen: 2026-05-27
Last seen: 2026-08-24 03:37 UTC

Frequent QSO partners observed at SO8OO

Stations YO4CAI worked most often, as logged from our receiver:

Activity Heatmap

Locator transmitted by YO4CAI

Approximate centre of KN35, decoded 2026-08-24 05:34 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 UTCBandYO4CAI S/NCounterpartCounterpart S/NMsgsCapture
08-24 05:37 20m - / - UB3DLM -6 / - 2 Partial capture
08-24 05:30 20m -10 / - W5EOR - / - 6 Partial capture
08-24 05:28 20m -4 / - DG4YT - / -20 2 ✓ Closing fragment
08-24 05:16 20m - / - OK2CNI -8 / - 4 Partial capture
08-24 04:46 20m - / -5 WT4C -1 / - 2 ✓ Closing fragment
08-23 18:16 20m - / -14 ON1JP -10 / - 3 Partial capture
08-23 18:13 20m - / -11 F1PPH -2 / - 5 ✓ Closing fragment
08-23 18:09 20m - / - F1PPH -10 / - 2 Partial capture
08-17 05:00 20m - / - UA3ZQN +14 / - 3 Partial capture
08-11 05:08 20m -10 / - KE4EB - / - 2 Partial capture
08-11 05:04 20m -7 / - K9STL - / - 6 Partial capture
08-11 05:02 20m -8 / -7 RC5F -14 / -2 6 Partial capture
08-11 04:49 20m -8 / - RA3DAD -14 / -18 2 ✓ Closing observed
07-22 05:07 20m - / - F4HSB -18 / - 2 Partial capture
07-20 05:04 20m - / -19 R5AV -10 / - 2 Partial capture
07-16 05:37 20m -2 / -16 <...> -13 / -17 2 Partial capture
07-16 05:22 20m -3 / 0 5B4AMM -6 / -13 5 ✓ Full exchange observed
07-16 05:10 20m +1 / - OE1KRQ/P - / -7 5 Partial capture
07-10 06:45 20m - / -18 RY9W -19 / - 3 Partial capture
07-09 14:49 10m - / -7 CT3IQ -17 / - 2 Partial capture
07-09 05:41 20m - / -4 F1MXE -2 / - 3 ✓ Closing fragment
07-07 07:31 20m - / -24 E70SZ -14 / - 4 ✓ Closing fragment
07-03 05:34 20m - / - PA3EVY -9 / - 2 ✓ Closing fragment
06-28 05:47 10m - / -8 F6ECI -10 / - 2 Partial capture
06-25 19:12 10m - / -16 IQ4JO -7 / - 3 ✓ Closing fragment
06-21 15:36 10m - / - RW6HP -10 / - 2 Partial capture
06-20 05:41 20m - / -10 F4LNM +8 / - 3 ✓ Closing fragment
06-17 06:03 20m - / - DB1EF -16 / - 2 Partial capture
06-17 06:02 20m 0 / - AD9DU - / - 2 Partial capture
06-17 05:53 20m -6 / - WP4JKT - / - 3 Partial capture
06-16 14:59 20m - / -7 ON4TUK -6 / - 2 Partial capture
06-15 05:06 20m +4 / - DL3NGN -17 / - 3 ✓ Closing observed
06-15 05:01 20m +2 / - DL3NGN -15 / -17 5 Partial capture
05-27 04:30 20m - / -4 RC9WC +6 / - 2 Partial capture

Recent FT8 messages decoded at SO8OO

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

20m 
UTC    dB Audio  Message
051800  -8 2663  YO4CAI OK2CNI JN79
052815  -7  788  DG4YT YO4CAI -20 (x2)
053000  -9  788  W5EOR YO4CAI KN35 (x6)
053330 -10  788  CQ YO4CAI KN35                        a1 (x3)
053530  -6  788  SQ6PZL YO4CAI -17
053715  -6  788  YO4CAI UB3DLM KO84 (x2)
10m 
UTC    dB Audio  Message
143600 -10 1451  YO4CAI YF1BLK OI33
153600 -11 1600  YO4CAI RW6HP LN14 (x2)
191230  -6 2659  YO4CAI IQ4JO JN63 (x3)
054715  -9  792  YO4CAI F6ECI -08 (x2)
055145 -18 1586  YO4CAI RK4CH LO32
144900 -18 1547  YO4CAI CT3IQ -07 (x2)

Decoder S/N history by band

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