IU5VMV — 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: Italy Most frequent locator attributed to this token: JN53

Receiver-side FT8 activity involving IU5VMV, decoded by SO8OO in southeastern Poland. 466 FT8 messages attributed to this token as transmitter, on 80m, 40m, 20m, 10m, across 56 UTC dates in the available aggregate history. Observed between 2026-06-06 and 2026-10-13.

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 466 FT8 messages attributed to IU5VMV as the transmitting token by decoded message structure across 56 UTC dates in the available aggregate history. The largest monitored-band total was 80 m (68%), followed by 20 m (18%) and 40 m (11%). Most decodes (74%) fell within the six-hour window 18:00-00:00 UTC. Most successfully decoded messages attributed to this token fell in SO8OO's weak S/N range (64%); the estimated median was -18 dB.

Overview

466
Messages attributed
56
UTC dates decoded
127
Active 15-min windows
-18 dB
Estimated median S/N

Bands

80m · 317 40m · 50 20m · 82 10m · 17
First attributed message: 2026-06-06
Last attributed message: 2026-10-13 21:01 UTC

Observed FT8 message patterns

Attributed sample
466 messages
Active dates
56 UTC dates
Estimated median S/N
-18 dB
Estimated 10th-90th percentile
-24 to -9 dB
Recurring-pattern threshold
Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 300, moderate (-15 to -9 dB) 130, strong (≥ -8 dB) 36.

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 IU5VMV 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 IU5VMV

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
JN53 · 241 decoded messages
SO8OO receiver locator
KN09VW
Locator-centre separation
1,089 km (approx.)
Last such locator decoded
2026-10-13 21:01 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 UTCBandIU5VMV S/NCounterpartCounterpart S/NMsgsCapture
10-22 08:27 40m - / - OE8PIT 0 / - 4 Partial capture
10-22 08:27 40m - / -14 OK2CNI -6 / - 4 ✓ Closing fragment
10-14 09:45 40m - / - IK2ZJR -15 / - 12 Partial capture
10-13 20:39 40m - / - RZ4FWA -14 / - 2 Partial capture
10-13 20:39 40m -10 / -11 F4NFM -15 / +1 5 ✓ Full exchange observed
10-10 18:39 40m - / - ON8WR -16 / - 2 Partial capture
10-10 08:16 40m - / - IU2THY -5 / - 2 Partial capture
10-10 08:16 40m - / -14 S53AK -6 / - 9 ✓ Closing fragment
10-09 23:02 80m -22 / - EA2EWL - / -11 2 ✓ Closing fragment
10-09 22:06 80m -17 / -18 F4JYH -3 / - 4 ✓ Closing observed
10-09 22:04 80m - / -20 EA5W -14 / - 2 ✓ Closing fragment
10-04 16:40 40m - / -17 HA7UL -11 / - 4 ✓ Closing fragment
10-04 16:33 40m - / - IZ5FSO -10 / - 2 Partial capture
10-04 07:35 40m - / -21 DG6TOM 0 / - 3 ✓ Closing fragment
10-04 04:45 40m - / - G3TKT -6 / - 5 Partial capture
10-02 15:20 40m - / -9 DJ1NE 0 / - 4 ✓ Closing fragment
10-02 15:17 40m - / -1 IQ0YA -21 / - 2 Partial capture
09-27 21:47 80m -18 / -4 IQ1LY +6 / +5 4 ✓ Full exchange observed
09-27 21:27 80m - / -11 IV3IHV +6 / - 3 ✓ Closing fragment
09-27 08:09 40m - / -18 DH1NGL -14 / - 3 Partial capture
09-25 17:33 40m - / -5 ON7AN -8 / - 2 Partial capture
09-24 21:36 40m - / -10 F1PBZ -4 / - 3 ✓ Closing fragment
09-24 21:30 40m -21 / -24 DL1UDO -7 / -5 10 ✓ Full exchange observed
09-24 18:28 40m - / -17 IK4RVY -4 / - 11 Partial capture
09-24 16:40 40m - / -25 DL7UKM -10 / - 2 ✓ Closing fragment
09-21 21:32 80m - / -17 IU8TIT -2 / - 3 ✓ Closing fragment
09-21 21:25 80m - / -20 PA1AZ -12 / - 3 Partial capture
09-21 21:24 80m - / -16 LB5WB -1 / - 3 ✓ Closing fragment
09-19 23:06 40m - / - TA4SSK -18 / - 4 Partial capture
09-16 15:27 40m - / -14 II9IAGM -18 / - 2 Partial capture
09-16 14:08 40m - / -8 DL6EL +5 / - 3 ✓ Closing fragment
09-15 20:26 40m -6 / - II6IGTO - / -21 5 Partial capture
09-15 20:23 40m -6 / - SN40KZE - / -21 3 Partial capture
09-14 22:28 80m - / -18 SP9CLQ +10 / - 3 ✓ Closing fragment
09-14 22:21 80m - / -15 F1PBZ -9 / - 2 ✓ Closing fragment
09-14 22:15 80m -21 / - SO100PKP - / +5 2 Partial capture
09-14 21:19 40m -18 / - UB3BDJ/6 - / -18 2 Partial capture
09-14 07:20 40m - / -20 OE6OCG -4 / - 3 ✓ Closing fragment
09-12 20:23 80m -14 / - UB3ADO/P - / - 2 Partial capture
09-12 08:15 40m - / -22 SP9UPH -1 / - 3 ✓ Closing fragment
09-07 19:39 40m -12 / -20 EG3PDA -12 / +3 3 Partial capture
09-07 18:53 80m - / - DO2XB +10 / - 2 Partial capture
09-06 22:03 80m - / - ON4MAP -13 / - 6 Partial capture
09-06 21:52 40m - / - TA3NK -2 / - 10 Partial capture
09-06 21:51 40m - / -18 EA3HMM -2 / - 3 Partial capture
09-05 04:22 40m -8 / - K5HQ - / - 3 Partial capture
09-05 04:11 80m -23 / -9 DL8TV +3 / - 5 ✓ Full exchange observed
09-05 04:10 80m -20 / -14 9A5VV +4 / - 4 ✓ Full exchange observed
09-05 04:09 80m -14 / -9 DO1ID +10 / - 4 ✓ Full exchange observed
09-05 03:27 80m -3 / - N8HRZ - / - 2 Partial capture

Recent FT8 messages decoded at SO8OO

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

40m 
UTC    dB Audio  Message
094815 -15 2178  IU5VMV IK2ZJR JN45 (x7)
082700  -7 2554  IU5VMV OK2CNI JN79 (x2)
082730  +2  342  IU5VMV OE8PIT JN66
082800  -6 2554  IU5VMV OK2CNI R-14
082800  -1  342  IU5VMV OE8PIT JN66
082830  -5 2555  IU5VMV OK2CNI 73
082830  +1  341  IU5VMV OE8PIT JN66 (x2)
80m 
UTC    dB Audio  Message
230245 -24 1286  EA2EWL IU5VMV RR73
230315 -22 1286  CQ IU5VMV JN53 (x12)
192230 -18 1583  II5GG IU5VMV +05
193330 -21 1582  CQ IU5VMV JN53                        a1
20m 
UTC    dB Audio  Message
194545 -16 2112  JA3FYC IU5VMV JN53 (x3)
202500 -12 2112  IU5VMV SM0EJR JO89
211245  -4 1756  IU5VMV IR7MGGC R-04 (x2)
153945 -10  496  NA3M IU5VMV JN53
155400 -12  495  JA3KGF IU5VMV +04
155615  +0  326  IU5VMV JA3KGF R-13
155630 -14  496  JA3KGF IU5VMV RR73
155645  +5  326  IU5VMV JA3KGF 73
155700  -9  496  CQ IU5VMV JN53 (x4)
10m 
UTC    dB Audio  Message
161115 -10  820  IU5VMV OT1V JO20
150045 -15 2476  HF5A IU5VMV RR73
151245 -13 2476  CQ IU5VMV JN53 (x3)
163315 -16 2476  SQ8AA IU5VMV -07
211545 -18 1780  IU5VMV EA8UP R-09 (x2)
193945 -19 1298  IU5VMV F4EEJ -25

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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