IU0VYT — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Italy Most frequent locator attributed to this token: JN61

Receiver-side FT8 activity involving IU0VYT, decoded by SO8OO in southeastern Poland. 1,329 FT8 messages attributed to this token as transmitter, on 160m, 80m, 40m, 20m, 10m, across 29 UTC dates in the available aggregate history. Observed between 2026-06-10 and 2026-09-03.

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 1,329 FT8 messages attributed to IU0VYT as the transmitting token by decoded message structure across 29 UTC dates in the available aggregate history. The largest monitored-band total was 80 m (35%), followed by 40 m (29%) and 20 m (23%). Most decodes (80%) fell within the six-hour window 19:00-01:00 UTC. Most successfully decoded messages attributed to this token fell in SO8OO's strong S/N range (81%); the estimated median was 0 dB.

Overview

1,329
Messages attributed
29
UTC dates decoded
139
Active 15-min windows
0 dB
Estimated median S/N

Bands

First attributed message: 2026-06-10
Last attributed message: 2026-09-03 23:37 UTC

Observed FT8 message patterns

Attributed sample
1,329 messages
Active dates
29 UTC dates
Estimated median S/N
0 dB
Estimated 10th-90th percentile
-10 to +13.6 dB
Recurring-pattern threshold
Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 6, moderate (-15 to -9 dB) 241, strong (≥ -8 dB) 1,082.

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 IU0VYT

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
JN61 · 884 decoded messages
SO8OO receiver locator
KN09VW
Locator-centre separation
1,158 km (approx.)
Last such locator decoded
2026-09-03 23:37 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 UTCBandIU0VYT S/NCounterpartCounterpart S/NMsgsCapture
09-03 23:36 80m -7 / - ON5WR - / - 3 Partial capture
09-03 23:35 80m -8 / -13 OM4KK +10 / +6 4 ✓ Full exchange observed
09-03 23:32 80m -9 / -6 OK1HEH -1 / -4 4 ✓ Full exchange observed
09-03 23:30 80m -5 / -18 SM7TZK +6 / -8 6 ✓ Full exchange observed
09-03 23:29 80m -10 / -7 PC2F -8 / -15 5 Partial capture
09-03 23:28 80m -6 / -6 YO4NF +11 / - 3 ✓ Closing observed
09-03 23:22 80m -3 / -5 VA3VPN -24 / -17 12 ✓ Full exchange observed
09-03 23:01 80m - / - IDIOTA -4 / - 2 Partial capture
09-03 23:01 80m +16 / -1 ST0P -6 / +10 9 ✓ Full exchange observed
09-03 22:24 80m -7 / - RI1FJL - / - 31 Partial capture
08-30 00:24 40m -8 / - W3M - / -24 4 Partial capture
08-30 00:22 40m - / - EA1IOK -10 / - 2 Partial capture
08-30 00:22 40m -12 / -4 UA9CR -10 / -8 3 ✓ Full exchange observed
08-30 00:20 40m -11 / -5 EA9ABC -8 / -7 7 ✓ Full exchange observed
08-30 00:17 40m -11 / - CO2QU - / - 2 Partial capture
08-30 00:15 40m 0 / -6 ZW5B -3 / - 3 ✓ Closing observed
08-30 00:10 40m -6 / -12 HI8ML +4 / - 4 ✓ Closing observed
08-30 00:06 40m -8 / - HK4SAN - / - 6 Partial capture
08-29 23:11 40m +1 / -14 YE4FNN -10 / -13 3 Partial capture
08-29 22:08 40m +2 / - RI1FJL - / -10 11 Partial capture
08-29 22:04 40m +6 / - K2ZJ - / -8 3 ✓ Closing fragment
08-29 21:57 40m +7 / - KP4AA - / - 9 Partial capture
08-29 21:53 40m +5 / - MD0CCE - / -13 5 ✓ Closing fragment
08-28 20:32 40m +3 / - HL2CFY - / - 5 Partial capture
08-28 20:30 40m +4 / - HL1WP - / - 4 Partial capture
08-28 20:22 40m +2 / -6 4K6FO -14 / -15 10 ✓ Full exchange observed
08-27 22:01 80m +10 / - F4BYA - / -25 7 Partial capture
08-27 22:00 80m +10 / - DK7ZT - / -9 2 ✓ Closing fragment
08-27 20:44 40m -5 / - VK6BAD - / -20 4 ✓ Closing fragment
08-27 20:38 80m -16 / - RI1FJL - / - 6 Partial capture
08-27 00:53 40m +9 / - NA0A - / - 6 Partial capture
08-27 00:51 40m +10 / - WE8M - / - 3 Partial capture
08-27 00:48 40m +10 / - NA0A - / - 6 Partial capture
08-27 00:44 40m +8 / +3 VU2SW -14 / -17 3 ✓ Full exchange observed
08-27 00:41 40m +10 / - NA0A - / - 6 Partial capture
08-27 00:39 40m +8 / - VU2SW - / - 4 Partial capture
08-27 00:33 40m +10 / - NA0A - / - 8 Partial capture
08-27 00:26 40m +10 / -13 UA9SY -12 / -16 4 ✓ Full exchange observed
08-27 00:24 40m +4 / - YO8RSL - / -16 2 ✓ Closing fragment
08-27 00:18 40m +3 / - 9J2XRX - / - 10 Partial capture
08-27 00:16 40m +4 / -15 UK8OM +1 / -3 5 ✓ Full exchange observed
08-27 00:15 40m +9 / -9 BG0DLA -11 / - 2 ✓ Closing observed
08-27 00:08 40m - / - LZ2VQ +8 / - 3 Partial capture
08-27 00:01 40m +2 / - 8Q7PR -16 / -14 17 ✓ Closing observed
08-26 23:53 40m +1 / +5 9K2YM -1 / +3 7 ✓ Full exchange observed
08-26 23:43 80m +12 / - K6RO - / - 12 Partial capture
08-26 23:41 80m +13 / - RL9LD - / - 5 Partial capture
08-26 23:34 80m +13 / -17 UA9MA -6 / -2 7 ✓ Full exchange observed
08-26 22:43 80m +12 / - K6RO - / - 19 Partial capture
08-26 22:39 80m +15 / -4 EA8AR -21 / -16 5 ✓ Full exchange observed

Recent FT8 messages decoded at SO8OO

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

80m
UTC    dB Audio  Message
233115  -2 2127  SM7TZK IU0VYT R-08
233130  +5 2126  IU0VYT SM7TZK RR73
233145  -3 2127  SM7TZK IU0VYT 73
233200  +7 2126  IU0VYT SM7TZK 73
233215 -11 2127  OK1HEH IU0VYT JN61
233230  -1 1746  IU0VYT OK1HEH -06
233245 -13 2127  OK1HEH IU0VYT R-04 (x2)
233515 +12 1349  IU0VYT OM4KK -13
233530  -8 2127  OM4KK IU0VYT R+06
233545  +7 1349  IU0VYT OM4KK RR73
233600  -7 2127  OM4KK IU0VYT 73
233630  -8 2127  ON5WR IU0VYT JN61 (x3)
40m
UTC    dB Audio  Message
002115 -13  644  EA9ABC IU0VYT JN61
002130  -9 1977  IU0VYT EA9ABC -05
002145 -10  644  EA9ABC IU0VYT R-07
002200  -8 1977  IU0VYT EA9ABC RR73
002215 -12  644  EA9ABC IU0VYT 73
002230 -10  971  IU0VYT UA9CR -04
002230 -11  547  IU0VYT EA1IOK IN62 (x2)
002315  -9  644  UA9CR IU0VYT R-08 (x2)
002445  -6  644  W3M IU0VYT R-24 (x4)
002815 -11  645  CX9AU IU0VYT JN61
20m
UTC    dB Audio  Message
170645  +1  524  DS5USH IU0VYT R-22 (x2)
170800  +6 2867  IU0VYT IU5HIU JN53
170945  +1  524  DS5USH IU0VYT R-22
171145  -3  523  TL8GD IU0VYT JN61 (x4)
171500  +0  524  OD5ZZ IU0VYT R+03
171515  -7 1452  IU0VYT OD5ZZ RR73
171530  +0  523  OD5ZZ IU0VYT 73
174815  -8  523  UB0SMX/P IU0VYT JN61 (x4)
10m
UTC    dB Audio  Message
180400  -3  537  M8FQT IU0VYT -19
180415 -10  537  IU0VYT M8FQT R-24
180430  -8  538  M8FQT IU0VYT -19
180445  -7  537  IU0VYT M8FQT R-24
180500 -12  538  M8FQT IU0VYT RR73
180515  -4  538  IU0VYT M8FQT R-24
180530  -9  538  M8FQT IU0VYT RR73
180545  -7  538  IU0VYT M8FQT 73
180700 -10  538  LZ2VQ IU0VYT RR73
180745 -20 2394  IU0VYT DN9OPA JN38
181215  -4  539  7Z1AL IU0VYT JN61 (x2)
181545  -6  539  XQ3SK IU0VYT JN61 (x3)
160m
UTC    dB Audio  Message
011615  +6  445  IU0VYT DA6TT JO52 (x2)
011700  -6  445  CQ IU0VYT JN61
011715  -5  445  IU0VYT DA6TT JO52
011745  -2 1563  IU0VYT DM9LSB JN48
011745  +2  445  IU0VYT DA6TT JO52
011815  -2 1563  IU0VYT DM9LSB R-08
011815  +0  445  IU0VYT DA6TT JO52
011845  -3 1563  IU0VYT DM9LSB 73
013330  -9  445  CQ IU0VYT JN61                        a1 (x5)
014800  -9  445  IW9FRA IU0VYT JN61

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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