UX5XK — reception at SO8OO

Signals decoded by SO8OO in southeastern Poland. FT8 and CW have separate histories; all times are UTC.

FT8 activity

DXCC entity inferred from callsign: Ukraine Most frequent locator attributed to this token: KO40

Receiver-side FT8 activity involving UX5XK, decoded by SO8OO in southeastern Poland. 335 FT8 messages attributed to this token as transmitter, on 160m, across 24 UTC dates in the available aggregate history. Observed between 2026-09-14 and 2026-11-04.

These are automated observations at the SO8OO receiver, not an official contact log. Times are UTC. Attribution follows decoded FT8 message structure: CQ uses the first token and directed-looking messages use the second. Free text that resembles a directed message can be attributed imperfectly. Summary S/N reflects propagation plus SO8OO receiver, antenna and local-noise conditions. Counts are not adjusted for monitoring outages; transmissions that were not decoded are absent. Inferred entity and location data may be inaccurate for portable, remote or special-event operation.

SO8OO decoded 335 FT8 messages attributed to UX5XK as the transmitting token by decoded message structure across 24 UTC dates in the available aggregate history. The largest monitored-band total was 160 m (100%). Most decodes (90%) fell within the six-hour window 17:00-23:00 UTC. Most successfully decoded messages attributed to this token fell in SO8OO's strong S/N range (99%); the estimated median was +14 dB.

Overview

335
Messages attributed
24
UTC dates decoded
72
Active 15-min windows
+14 dB
Estimated median S/N

Bands

First attributed message: 2026-09-14
Last attributed message: 2026-11-04 19:33 UTC

Observed FT8 message patterns

Attributed sample
335 messages
Active dates
24 UTC dates
Estimated median S/N
+14 dB
Estimated 10th-90th percentile
+4 to +22 dB
Recurring-pattern threshold
Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 0, moderate (-15 to -9 dB) 2, strong (≥ -8 dB) 333.

WSJT-X defines S/N reports against a 2,500 Hz reference noise bandwidth. The ranges above are SO8OO receiver-side display categories, not official WSJT-X classes, transmitter-power measurements or estimates of how easy the station is to hear elsewhere. Statistics include only successful decodes on SO8OO's monitored FT8 channels; transmissions that were not decoded are absent.

Attributed messages by UTC hour

Rolling 90-day UTC chart window. Counts follow decoded message structure: the first token for CQ, or the second token in a directed-looking message.

Most frequent locator attributed to UX5XK

The map compares the centres and boundaries of the locator field attributed to this token by decoded message structure, 2° × 1° as a Maidenhead square, and SO8OO's six-character receiver square. The separation is not an exact antenna-to-antenna distance or a radio-path length.

Attributed locator
KO40 · 5 decoded messages
SO8OO receiver locator
KN09VW
Locator-centre separation
516 km (approx.)
Last such locator decoded
2026-10-28 20:00 UTC

A decoded locator can describe portable, remote or special-event operation and is not proof of a permanent station address or transmitter identity.

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 UTCBandUX5XK S/NCounterpartCounterpart S/NMsgsCapture
11-04 19:32 160m +5 / -1 DF5AU +10 / -9 4 ✓ Full exchange observed
10-31 21:06 160m +18 / - SV7TRK - / -19 3 ✓ Closing fragment
10-31 21:01 160m +13 / - C31CT - / -14 3 ✓ Closing fragment
10-31 20:53 160m +13 / -5 9H1ES -16 / -21 5 ✓ Full exchange observed
10-31 20:52 160m +14 / - UN8DSW - / -16 2 ✓ Closing fragment
10-31 20:49 160m +14 / -6 UN0GY -22 / -18 3 ✓ Full exchange observed
10-31 20:34 160m +10 / - JF4VZT - / -14 2 ✓ Closing fragment
10-29 21:44 160m +20 / - UN7FGZ - / -16 2 ✓ Closing fragment
10-29 21:34 160m +12 / - UN0GY - / -21 2 ✓ Closing fragment
10-29 21:28 160m - / - OE9GWV -14 / - 3 Partial capture
10-29 21:27 160m +7 / -6 EA8BS -22 / -19 4 ✓ Full exchange observed
10-28 20:02 160m +11 / - DO5OT +3 / -15 6 ✓ Full exchange observed
10-28 20:01 160m - / - F4FTV -12 / - 4 Partial capture
10-28 20:00 160m +10 / - UN0GY - / -20 2 Partial capture
10-28 19:59 160m +6 / -14 G4IRN +10 / - 3 ✓ Closing observed
10-28 19:57 160m +12 / -2 G0BNR -13 / -17 4 ✓ Full exchange observed
10-28 19:23 160m +18 / - SM0CXS -16 / -13 3 ✓ Full exchange observed
10-28 19:06 160m - / - SQ1RTU -21 / - 3 Partial capture
10-28 19:05 160m +6 / +2 4O7CC -2 / -12 3 ✓ Full exchange observed
10-28 18:35 160m +14 / -2 YO2MTG -10 / - 4 ✓ Closing observed
10-28 18:31 160m +4 / -14 OK1CL +4 / -18 22 Partial capture
10-28 18:30 160m +8 / +3 MD0CCE -1 / -16 9 ✓ Full exchange observed
10-28 18:25 160m - / - OK1DVN -9 / - 2 Partial capture
10-28 18:23 160m +12 / -4 RJ3DC -16 / -7 4 ✓ Full exchange observed
10-25 22:29 160m +26 / -4 EB5AFK -15 / -12 5 ✓ Full exchange observed
10-25 22:26 160m +10 / -3 8S2DX -14 / -19 4 ✓ Full exchange observed
10-25 22:20 160m +16 / -4 F1PBZ +8 / -11 5 ✓ Full exchange observed
10-25 22:16 160m +16 / - UN0GY - / -18 2 Partial capture
10-25 19:03 160m -8 / -6 SP6TK +16 / -12 4 ✓ Full exchange observed
10-16 22:02 160m +18 / +6 G4ITR -8 / -12 3 ✓ Full exchange observed
10-16 21:55 160m +15 / - LA9JKA - / -7 6 ✓ Closing fragment
10-16 21:54 160m +10 / +6 DO5OT -1 / -9 4 ✓ Full exchange observed
10-16 21:39 160m +14 / -2 4J3DJ -2 / -8 7 ✓ Full exchange observed
10-14 18:02 160m - / - DA6WM -16 / - 2 Partial capture
10-14 18:01 160m +14 / +2 DL8OH +8 / +5 4 ✓ Full exchange observed
10-14 17:47 160m +12 / +4 OK1FRG +18 / -18 4 ✓ Full exchange observed
10-14 17:43 160m +9 / - DO9AO +14 / - 3 ✓ Closing observed
10-14 17:35 160m +14 / - SQ6WA +7 / -7 4 ✓ Full exchange observed
10-14 16:57 160m +15 / -1 IV3FSG +8 / -13 5 ✓ Full exchange observed
10-14 16:56 160m +10 / +4 HA5AO +22 / -1 4 ✓ Full exchange observed
10-13 15:45 160m +2 / +8 LY3BRA 0 / +1 4 ✓ Full exchange observed
10-12 18:01 160m +3 / -8 UT4WT +2 / -12 8 ✓ Full exchange observed
10-12 18:00 160m +2 / -16 SV7BVM -12 / -19 4 ✓ Full exchange observed
10-11 20:20 160m +6 / -4 HA6NN -2 / -18 5 ✓ Full exchange observed
10-11 20:19 160m - / - F4HAB -15 / - 3 Partial capture
10-11 20:18 160m +1 / -9 DC0GL +4 / -16 4 ✓ Full exchange observed
10-11 20:17 160m +5 / - SV1SSL - / -19 2 Partial capture
10-06 20:57 160m +16 / - JA0DAI - / -21 2 Partial capture
10-06 20:57 160m +14 / -6 F5LOW -6 / -16 7 ✓ Full exchange observed
10-06 20:56 160m +18 / +6 UW2ZO +9 / +10 5 ✓ Full exchange observed

Recent FT8 messages decoded at SO8OO

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

160m
UTC    dB Audio  Message
205415 +15  517  9H1ES UX5XK -21 (x2)
205530 -16  517  UX5XK 9H1ES R-05
205545 +13  517  9H1ES UX5XK RR73
205630 -24 1576  UX5XK DL9KM JN68
210115 +14  520  C31CT UX5XK -14 (x3)
210630 +18  552  SV7TRK UX5XK -19 (x3)
193245  +4  590  DF5AU UX5XK -09
193300 +11  775  UX5XK DF5AU R-01
193315  +6  590  DF5AU UX5XK RR73
193330  +9  775  UX5XK DF5AU 73

Decoder S/N history by band

Count-weighted daily averages across messages attributed to this profiled token and successfully decoded at SO8OO, limited to the rolling 90-day UTC chart window.

CW

No CW receptions recorded for this callsign in the last 30 days.

Explore CW reception at SO8OO

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