IU1LCK — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Italy Most frequent locator attributed to this token: JN35

Receiver-side FT8 activity involving IU1LCK, decoded by SO8OO in southeastern Poland. 348 FT8 messages attributed to this token as transmitter, on 40m, 20m, 10m, across 28 UTC dates in the available aggregate history. Observed between 2026-06-07 and 2026-08-31.

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 348 FT8 messages attributed to IU1LCK as the transmitting token by decoded message structure across 28 UTC dates in the available aggregate history. The largest monitored-band total was 20 m (61%), followed by 40 m (34%) and 10 m (4%). Most decodes (76%) fell within the six-hour window 02:00-08:00 UTC. Received S/N was mixed across SO8OO's weak, moderate and strong ranges; the estimated median was -9 dB.

Overview

348
Messages attributed
28
UTC dates decoded
101
Active 15-min windows
-9 dB
Estimated median S/N

Bands

40m · 119 20m · 214 10m · 15
First attributed message: 2026-06-07
Last attributed message: 2026-08-31 18:14 UTC

Observed FT8 message patterns

Attributed sample
348 messages
Active dates
28 UTC dates
Estimated median S/N
-9 dB
Estimated 10th-90th percentile
-17 to +5 dB
Recurring-pattern threshold
Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 66, moderate (-15 to -9 dB) 122, strong (≥ -8 dB) 160.

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.

Frequent counterpart tokens observed at SO8OO

Tokens most often paired with IU1LCK in decoded directed-looking exchanges:

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 IU1LCK

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
JN35 · 211 decoded messages
SO8OO receiver locator
KN09VW
Locator-centre separation
1,209 km (approx.)
Last such locator decoded
2026-08-31 18:14 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 UTCBandIU1LCK S/NCounterpartCounterpart S/NMsgsCapture
08-31 18:14 20m +10 / - RI1FJL - / - 2 Partial capture
08-27 03:09 40m +1 / - KD7ZAL - / -20 8 Partial capture
08-16 04:28 40m -13 / - K6YEK - / -17 2 Partial capture
07-29 18:45 20m +2 / - S21SDR - / - 2 Partial capture
07-13 05:48 20m -9 / - JE4WOK - / -22 2 Partial capture
07-08 02:56 40m -9 / - 5Z4VJ - / - 3 Partial capture
07-07 04:38 20m -10 / - K7ACZ - / - 2 Partial capture
07-07 00:54 20m -8 / - NL5Y - / - 2 Partial capture
07-06 03:35 20m -14 / - WS7M - / - 2 Partial capture
07-03 03:17 20m -12 / - W7OSG - / - 3 Partial capture
06-29 10:27 10m -16 / -7 SV1CQN -1 / -1 5 ✓ Full exchange observed
06-29 10:20 10m -14 / - EA1IOK - / - 2 ✓ Closing fragment
06-29 04:08 20m -17 / - KL7TC - / - 2 ✓ Closing fragment
06-27 19:34 20m -18 / - 9M2HUS - / - 2 Partial capture
06-26 19:39 20m -14 / - WB2BIN - / -11 5 ✓ Closing fragment
06-26 19:37 20m -16 / - EP2AES - / - 2 Partial capture
06-26 19:33 20m -16 / - KF0YOB - / - 2 Partial capture
06-26 05:56 20m -7 / - KT8Q - / -22 2 ✓ Closing fragment
06-26 03:27 40m -18 / - KE4YOG - / -8 3 Partial capture
06-26 03:18 40m -16 / - KD9YOO - / -22 3 Partial capture
06-25 18:33 20m -14 / - KF0YOB - / - 2 Partial capture
06-25 15:26 20m -12 / - KF0YOB - / - 2 Partial capture
06-25 04:22 20m -6 / - WD4OBP - / -12 4 ✓ Closing fragment
06-25 04:12 20m -15 / - WA3MH - / - 2 Partial capture
06-24 03:18 40m -18 / - KA2R - / -13 3 ✓ Closing fragment
06-23 07:46 20m -5 / - KA1DCB - / -11 2 ✓ Closing fragment
06-23 07:41 20m -6 / - KR4CCY - / -16 4 ✓ Closing fragment
06-23 06:37 20m -8 / - AG7VD - / - 2 Partial capture
06-23 06:23 20m -12 / - F5PBG - / -11 2 ✓ Closing fragment
06-23 06:21 20m -16 / - W4IOJ - / -12 3 ✓ Closing fragment
06-23 06:06 20m -16 / - UB4CJS - / -18 2 ✓ Closing fragment
06-23 06:02 20m -15 / - W5XO - / -6 3 ✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

20m 
UTC    dB Audio  Message
033600 -16 2157  WS7M IU1LCK JN35
005430 -11 2457  NL5Y IU1LCK JN35 (x2)
043800 -11 2271  K7ACZ IU1LCK JN35 (x2)
054230 -24 2147  NL8F IU1LCK -20
054800  -9 2145  JE4WOK IU1LCK R-22 (x2)
025215 -24 1650  KI0E IU1LCK -22
030430 -14 2428  IU1LCK RR73; UA6BGM <...> -10
184545  +1 2399  S21SDR IU1LCK JN35 (x2)
180615 +10 2251  RI1FJL IU1LCK JN35 (x3)
40m 
UTC    dB Audio  Message
025745 -11 2216  5Z4VJ IU1LCK JN35
030200  +1 2402  K7ACZ IU1LCK -09 (x2)
042800 -14 2322  K6YEK IU1LCK -17 (x4)
030945  -1 2260  KD7ZAL IU1LCK JN35 (x8)
10m 
UTC    dB Audio  Message
102045 -13 2281  EA1IOK IU1LCK RR73 (x2)
102245 -11 2335  DK8HC IU1LCK RR73
102345 -15 2334  9A4ZM IU1LCK RR73
102700 -18 2175  SV1CQN IU1LCK JN35
102745  +0  721  IU1LCK SV1CQN -07
102830 -13 2174  SV1CQN IU1LCK R-01
102845  -2  721  IU1LCK SV1CQN RR73
102900 -16 2174  SV1CQN IU1LCK 73
104415 -18 2117  VK0DS IU1LCK -13
105145 -17 2085  DN9AD IU1LCK -12
114100 -12 2378  8Q7PR IU1LCK -08 (x2)

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.

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