IW2JMS — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Italy Most frequent locator attributed to this token: JN45

Receiver-side FT8 activity involving IW2JMS, decoded by SO8OO in southeastern Poland. 191 FT8 messages attributed to this token as transmitter, on 80m, 40m, 20m, across 15 UTC dates in the available aggregate history. Observed between 2026-06-06 and 2026-08-30.

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 191 FT8 messages attributed to IW2JMS as the transmitting token by decoded message structure across 15 UTC dates in the available aggregate history. The largest monitored-band total was 20 m (95%), followed by 40 m (3%) and 80 m (2%). Most decodes (71%) fell within the six-hour window 15:00-21:00 UTC. Received S/N was mixed across SO8OO's weak, moderate and strong ranges; the estimated median was -9 dB.

Overview

191
Messages attributed
15
UTC dates decoded
46
Active 15-min windows
-9 dB
Estimated median S/N

Bands

80m · 3 40m · 6 20m · 182
First attributed message: 2026-06-06
Last attributed message: 2026-08-30 11:17 UTC

Observed FT8 message patterns

Attributed sample
191 messages
Active dates
15 UTC dates
Estimated median S/N
-9 dB
Estimated 10th-90th percentile
-18 to -3 dB
Recurring-pattern threshold
Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 32, moderate (-15 to -9 dB) 68, strong (≥ -8 dB) 91.

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 IW2JMS 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 IW2JMS

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
JN45 · 159 decoded messages
SO8OO receiver locator
KN09VW
Locator-centre separation
1,075 km (approx.)
Last such locator decoded
2026-08-30 11:17 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 UTCBandIW2JMS S/NCounterpartCounterpart S/NMsgsCapture
09-19 18:25 40m - / -19 DJ2MS -6 / - 2 ✓ Closing fragment
08-30 17:41 40m - / - DL1EDR +8 / - 3 Partial capture
08-24 20:13 20m - / -15 SM0EJR -5 / - 4 Partial capture
08-19 17:41 20m - / -22 UA3ZQN -4 / - 4 ✓ Closing fragment
08-17 14:12 20m - / -9 UT7UJ +6 / - 5 ✓ Closing fragment
08-05 20:18 40m - / -16 DK4RH 0 / - 2 Partial capture
08-05 19:54 40m - / -19 PD1WAT 0 / - 5 ✓ Closing fragment
08-05 19:06 40m - / -22 US2YW +9 / - 3 ✓ Closing fragment
08-05 18:27 40m - / -14 DL7ACA +7 / - 3 ✓ Closing fragment
08-04 19:51 40m - / - DL6UM -8 / - 2 Partial capture
08-03 21:18 40m - / -17 YO4NF -6 / - 2 ✓ Closing fragment
08-03 19:26 40m - / -3 DF0KK -2 / - 2 Partial capture
08-02 20:39 20m +4 / -13 TA4SSK -8 / -8 3 ✓ Full exchange observed
08-02 19:27 20m - / -15 M0CKX -13 / - 3 ✓ Closing fragment
07-31 20:15 40m - / -24 <...> -10 / - 4 Partial capture
07-08 21:36 40m - / -15 OZ5AGJ -3 / - 5 ✓ Closing fragment
07-07 18:24 20m -7 / -7 SV2AJX -5 / -9 2 Partial capture
07-06 22:18 40m - / -15 OK1WCF +7 / - 3 Partial capture
07-06 22:09 40m - / -10 PC2J -2 / - 2 Partial capture
07-06 20:56 40m - / - PA3BMB -6 / - 2 Partial capture
07-03 21:56 40m - / - DL4NWM +2 / - 4 Partial capture
07-03 21:06 40m - / -16 PE1NPS -12 / - 2 Partial capture
07-03 10:17 20m - / - EA8AT -6 / - 2 Partial capture
07-02 22:55 40m - / - PC2J +2 / - 9 Partial capture
07-02 21:44 20m - / -17 RN6MA +15 / - 2 Partial capture
07-01 20:06 20m - / -13 JA4FKX -12 / - 2 ✓ Closing fragment
07-01 19:57 20m - / -18 RY7G +16 / - 3 ✓ Closing fragment
06-29 19:34 40m - / -9 DL6RAR +1 / - 3 Partial capture
06-29 10:36 20m - / -18 GJ0KYZ -16 / - 2 Partial capture
06-29 10:22 20m - / -12 IU5HIU -3 / - 3 ✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

40m 
UTC    dB Audio  Message
194530  -8 2952  IW2JMS YT5DL R-08
195400  -1 2952  IW2JMS PD1WAT JO21 (x5)
200400  -3 2950  IW2JMS LB5WB RR73
201430  -7 1192  IW2JMS PD0IFI JO32
201800  -1 2952  IW2JMS DK4RH R-16 (x2)
174130  +8 2989  IW2JMS DL1EDR JO41 (x3)
182515  -6 1066  IW2JMS DJ2MS -19 (x2)
20m 
UTC    dB Audio  Message
093945 -14 2923  CQ IW2JMS JN45 (x12)
110115 -14 2969  YO5PHL IW2JMS RR73
111715 -16 3039  CQ IW2JMS JN45 (x2)
80m 
UTC    dB Audio  Message
213915 -11 2901  CQ IW2JMS JN45 (x3)

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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