YO9XC — FT8 activity observed at SO8OO

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

Receiver-side FT8 activity involving YO9XC, decoded by SO8OO in southeastern Poland. 678 related FT8 messages, 301 CQ messages, observed on 160m, 80m, 40m, 20m, 10m, across 23 UTC dates. Heard between 2026-05-24 and 2026-08-22.

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

678
Related messages
301
CQ messages
23
UTC dates heard
-4 dB
Mean decoder S/N

Bands

80m 20m 40m 10m 160m
First seen: 2026-05-24
Last seen: 2026-08-22 08:38 UTC

Frequent QSO partners observed at SO8OO

Stations YO9XC worked most often, as logged from our receiver:

Activity Heatmap

Locator transmitted by YO9XC

Approximate centre of KN35, decoded 2026-08-22 08:14 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 UTCBandYO9XC S/NCounterpartCounterpart S/NMsgsCapture
08-22 10:37 10m - / -7 ON5RZ -16 / - 3 ✓ Closing fragment
08-22 10:36 10m - / +2 F4FSY -10 / - 2 ✓ Closing fragment
08-22 10:22 10m - / -9 DO5PY -15 / - 3 ✓ Closing fragment
08-22 10:17 10m - / -8 M0BEW -2 / - 2 ✓ Closing fragment
08-22 10:12 10m - / +10 IK4LZH +9 / - 3 Partial capture
08-21 18:17 80m +3 / - DO1ID +3 / -17 4 Partial capture
08-21 18:15 80m - / - DL9KM -6 / - 4 Partial capture
08-21 18:12 80m +5 / -11 SP3BVI +3 / -10 7 ✓ Full exchange observed
08-21 18:05 80m +5 / - UF4S/P - / -3 11 Partial capture
08-21 18:01 80m +10 / +2 II7MGBA +13 / - 2 Partial capture
08-21 17:58 80m +3 / - UB6OAJ - / +6 2 ✓ Closing fragment
08-21 17:57 80m +6 / -1 UA3RMB -4 / 0 4 ✓ Full exchange observed
08-21 17:54 80m +7 / -9 HA1DSL -15 / -18 6 ✓ Full exchange observed
08-21 17:50 80m +5 / -7 UR4LG -8 / - 3 ✓ Closing observed
08-21 17:49 80m +10 / -7 R6ZEJ -5 / +2 4 ✓ Full exchange observed
08-21 17:46 80m +10 / -9 R6ZCE -2 / 0 5 ✓ Full exchange observed
08-21 14:52 20m -3 / -18 GJ0KYZ -12 / -15 4 Partial capture
08-21 14:50 20m -8 / - II7MGFG - / -5 2 Partial capture
08-07 17:35 20m - / -9 PD2WL -10 / - 3 ✓ Closing fragment
08-07 17:12 20m - / - RZ4FWA -9 / - 3 Partial capture
08-04 09:31 20m -14 / - SV9MBH - / -6 2 ✓ Closing fragment
08-04 09:19 20m - / -12 F1PBZ -8 / - 2 Partial capture
08-02 10:49 20m - / -5 R50RKZ -3 / - 2 Partial capture
08-02 09:16 20m - / -8 R3KIZ -8 / - 3 ✓ Closing fragment
08-02 09:04 20m - / - F1PSX -9 / - 3 ✓ Closing fragment
08-02 09:02 20m -16 / -1 F4AWT -8 / -8 5 ✓ Full exchange observed
08-01 15:54 20m - / - DL1R -7 / - 7 Partial capture
08-01 15:52 20m +2 / - BI1HJR - / -13 2 ✓ Closing fragment
08-01 15:49 20m -3 / - F4IJK - / -8 3 Partial capture
08-01 15:47 20m +3 / - UB3FAT - / -18 2 Partial capture
08-01 15:43 20m 0 / - UB3BDB - / -6 2 ✓ Closing fragment
08-01 15:40 20m -1 / - YC6BCA - / -21 5 ✓ Closing fragment
08-01 15:38 20m 0 / - YB6IDM - / -19 2 ✓ Closing fragment
08-01 15:37 20m 0 / - BD8FOD - / -20 2 ✓ Closing fragment
08-01 15:33 20m +2 / - DK8HC/P - / -20 3 ✓ Closing fragment
08-01 15:29 20m 0 / - UR5EJ - / -16 3 ✓ Closing fragment
08-01 15:21 20m +2 / - <...> - / +3 2 Partial capture
07-17 18:55 40m -10 / - VJ6X - / -16 3 Partial capture
07-17 18:52 40m -9 / - 8S7DL - / -7 4 ✓ Closing fragment
07-17 18:49 40m -9 / - VJ6X - / -17 4 Partial capture
07-17 18:39 80m -2 / -8 UG4L -9 / - 4 ✓ Closing observed
07-17 18:38 80m +1 / -7 RO2T -14 / -5 4 ✓ Full exchange observed
07-17 18:34 80m +1 / 0 UV1IX -4 / - 2 ✓ Closing observed
07-17 18:33 80m +2 / -7 YO6DMR +10 / +6 5 ✓ Full exchange observed
07-17 18:31 80m +1 / - <...> - / -2 2 Partial capture
07-17 18:29 80m +1 / -12 JE2EBT -16 / -9 3 ✓ Full exchange observed
07-17 18:27 80m -2 / -11 SP4AVG +3 / -8 5 ✓ Full exchange observed
07-17 18:23 80m -1 / - JR3UIC - / -14 2 ✓ Closing fragment
07-17 18:21 80m -2 / -2 UB0SMX/P -7 / -5 4 ✓ Full exchange observed
07-17 18:19 80m 0 / 0 RN3DDW/P -9 / - 5 ✓ Closing observed

Recent FT8 messages decoded at SO8OO

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

10m 
UTC    dB Audio  Message
092615 -16 2445  YO9XC UA4FKT R-04 (x2)
101215  +9  492  YO9XC IK4LZH JN54 (x3)
101745  -2 1231  YO9XC M0BEW -08 (x2)
102215 -14 1323  YO9XC DO5PY JN49 (x3)
103615 -11 1875  YO9XC F4FSY +02 (x2)
103745 -17 2459  YO9XC ON5RZ JO21 (x3)
20m 
UTC    dB Audio  Message
173315 -20 1728  YO9XC ON4LDZ JO20
173515  -9 2529  YO9XC PD2WL -09 (x3)
173645  -6 2578  YO9XC ON4MGV -03
173945 -13 2578  YO9XC F1ODM RR73
145015 -14  651  <...> YO9XC -05
145045  -8  652  <II7MGFG> YO9XC -05 (x2)
145200  -9  652  YO9XC GJ0KYZ -18 (x3)
145315  -3  652  GJ0KYZ YO9XC R-15
081145  -7 1023  UF4S/P YO9XC KN35
081400  -8 1022  <II7MGLE> YO9XC KN35
80m 
UTC    dB Audio  Message
181530  +1 1351  CQ YO9XC KN35
181545  -8  994  YO9XC DL9KM JN68
181600  +0 1351  CQ YO9XC KN35
181615  -6  995  YO9XC DL9KM JN68
181630  +1 1351  CQ YO9XC KN35
181645  -3  995  YO9XC DL9KM JN68
181700  +8 1351  CQ YO9XC KN35 (x2)
181745  +0  382  YO9XC DO1ID JO41
181745  -8  995  YO9XC DL9KM JN68
181800  +8 1351  CQ YO9XC KN35
181815  +6  381  YO9XC DO1ID JO41
181830  +4 1351  DO1ID YO9XC -17 (x2)
181930  -2 1351  CQ YO9XC KN35
40m 
UTC    dB Audio  Message
180845 -11  840  9A60CBM YO9XC +00 (x2)
181345 -16 1303  SN0GSMP YO9XC +08
181400  -6 1304  YO9XC SN0GSMP R+06
184915  -9  643  VJ6X YO9XC -17 (x4)
185215  -5  643  8S7DL YO9XC KN35 (x4)
185545 -10  643  VJ6X YO9XC -16 (x3)

Decoder S/N history by band

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