YU2M — 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: Serbia Most frequent locator attributed to this token: KN04

Receiver-side FT8 activity involving YU2M, decoded by SO8OO in southeastern Poland. 33 FT8 messages attributed to this token as transmitter, on 40m, 20m, across 4 UTC dates in the available aggregate history. Observed between 2026-08-26 and 2026-10-12.

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 33 FT8 messages attributed to YU2M as the transmitting token by decoded message structure across 4 UTC dates in the available aggregate history. The largest monitored-band total was 40 m (97%), followed by 20 m (3%). Several six-hour UTC windows tied for the largest share (91%), so no unique busiest interval is claimed. Most successfully decoded messages attributed to this token fell in SO8OO's strong S/N range (91%); the estimated median was +4 dB.

Overview

33
Messages attributed
4
UTC dates decoded
7
Active 15-min windows
+4 dB
Estimated median S/N

Bands

40m · 32 20m · 1
First attributed message: 2026-08-26
Last attributed message: 2026-10-12 18:59 UTC

Observed FT8 message patterns

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

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 1, moderate (-15 to -9 dB) 2, strong (≥ -8 dB) 30.

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 YU2M in decoded directed-looking exchanges:

Most frequent locator attributed to YU2M

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
KN04 · 4 decoded messages
SO8OO receiver locator
KN09VW
Locator-centre separation
608 km (approx.)
Last such locator decoded
2026-09-25 16:58 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 UTCBandYU2M S/NCounterpartCounterpart S/NMsgsCapture
10-12 20:41 40m - / -2 EA5HM -3 / - 5 ✓ Closing fragment
10-12 20:34 40m - / - OE9GWV -15 / - 6 Partial capture
10-12 20:29 40m - / -10 DL9KM -16 / - 4 ✓ Closing fragment
10-12 18:59 40m -15 / - BH3HAO - / -14 2 ✓ Closing fragment
09-25 16:55 40m 0 / - UB0AMB - / -13 2 ✓ Closing fragment
09-25 16:53 40m - / - RD3FY -1 / - 2 Partial capture
09-25 16:51 40m +4 / +8 PA2WDR -2 / +1 8 ✓ Full exchange observed
09-25 16:50 40m +8 / -6 T77NC -8 / -1 4 ✓ Full exchange observed
09-25 16:37 40m +6 / - SQ9PKM - / +6 2 ✓ Closing fragment
09-25 16:34 40m +6 / -2 ES6DO -18 / -6 6 ✓ Full exchange observed
09-25 16:34 40m -2 / +5 PC2F -7 / -7 5 ✓ Full exchange observed
09-25 16:31 40m +5 / -8 9A1CCB +11 / -1 8 ✓ Full exchange observed
09-25 16:29 40m +8 / - IK2ZJR +4 / +9 5 ✓ Full exchange observed
09-25 16:29 40m +8 / - BA5CW -15 / -3 4 ✓ Closing observed
09-25 16:27 40m - / - 9A1CCB +9 / - 2 Partial capture
09-25 16:26 40m +1 / -5 R4CHN -16 / -4 5 ✓ Full exchange observed
08-31 08:40 20m - / -1 TF5B -15 / - 2 ✓ Closing fragment
08-31 08:33 20m - / - F5IXN +11 / - 4 Partial capture
08-31 08:32 20m - / -11 EB3JT +3 / - 2 Partial capture
08-31 08:29 20m - / -10 JY5IB -5 / - 5 ✓ Closing fragment
08-31 08:26 20m - / -9 3A2MW -10 / - 2 Partial capture
08-31 08:14 40m +12 / - DP75BAC - / -1 3 Partial capture
08-26 17:56 20m - / -10 7Z1IP -6 / - 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
203045 -18 1267  YU2M DL9KM R-10 (x2)
203415 -16 1483  YU2M OE9GWV JN47
203445 +12  475  YU2M S57BTI JN75
203445 -13 1482  YU2M OE9GWV JN47 (x5)
204115  -2  475  YU2M EA5HM IM99 (x5)
205930 -11  716  YU2M IZ0ZIP -16
20m 
UTC    dB Audio  Message
082645 -10 1104  YU2M 3A2MW -09
082915  -1 1638  YU2M JY5IB -10 (x5)
083215  +6  389  YU2M EB3JT JN01 (x2)
083315 +16  389  YU2M F5IXN JN23 (x4)
084030 -10 1902  YU2M TF5B R-01 (x2)
084200  -4 2878  YU2M F5PBG IN78

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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