RL3FM — 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: European Russia Most frequent locator attributed to this token: KO87

Receiver-side FT8 activity involving RL3FM, decoded by SO8OO in southeastern Poland. 26 FT8 messages attributed to this token as transmitter, on 160m, 80m, 40m, 20m, 10m, across 5 UTC dates in the available aggregate history. Observed between 2026-06-08 and 2026-10-28.

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 26 FT8 messages attributed to RL3FM as the transmitting token by decoded message structure across 5 UTC dates in the available aggregate history. The largest monitored-band total was 80 m (46%), followed by 160 m (42%) and 40 m (4%). Several six-hour UTC windows tied for the largest share (88%), so no unique busiest interval is claimed. Most successfully decoded messages attributed to this token fell in SO8OO's strong S/N range (65%); the estimated median was -4 dB.

Overview

26
Messages attributed
5
UTC dates decoded
8
Active 15-min windows
-4 dB
Estimated median S/N

Bands

First attributed message: 2026-06-08
Last attributed message: 2026-10-28 18:22 UTC

Observed FT8 message patterns

Attributed sample
26 messages
Active dates
5 UTC dates
Estimated median S/N
-4 dB
Estimated 10th-90th percentile
-19 to +14 dB
Recurring-pattern threshold
Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 5, moderate (-15 to -9 dB) 4, strong (≥ -8 dB) 17.

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.

Most frequent locator attributed to RL3FM

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
KO87 · 10 decoded messages
SO8OO receiver locator
KN09VW
Locator-centre separation
1,302 km (approx.)
Last such locator decoded
2026-10-28 18:15 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 UTCBandRL3FM S/NCounterpartCounterpart S/NMsgsCapture
10-28 18:23 80m - / +10 UA3SCU -6 / - 4 Partial capture
10-28 18:21 80m +10 / +1 UA4POO -6 / +1 4 ✓ Full exchange observed
10-28 18:20 80m - / -6 YO4NT +3 / - 2 Partial capture
10-28 18:19 80m - / 0 UA3GJM -8 / - 4 ✓ Closing fragment
10-28 18:12 80m -6 / - XX9TXN - / -9 7 Partial capture
09-24 18:45 160m -10 / - UD7G - / -14 2 ✓ Closing fragment
09-24 18:45 160m -6 / -12 DK7ZT -1 / -18 8 Partial capture
09-24 18:45 160m - / - UA3ZUX +7 / - 3 Partial capture
09-24 18:44 160m -15 / -9 R2EA/P -7 / - 2 ✓ Closing observed
09-24 18:43 160m - / - PA3KUS -16 / - 2 Partial capture
09-24 18:42 160m -20 / +5 R1AP +1 / - 4 ✓ Closing observed
09-24 18:40 160m +12 / - RI1FJZ - / -11 4 ✓ Closing fragment
09-23 19:04 80m -10 / -14 R2EA/P -3 / -3 4 ✓ Full exchange observed
09-23 19:02 80m - / -10 R1AV -5 / - 5 ✓ Closing fragment
08-11 17:13 20m - / - G1CEC -18 / - 2 Partial capture

Recent FT8 messages decoded at SO8OO

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

80m
UTC    dB Audio  Message
181930  -4 1058  RL3FM UA3GJM +00
181945 +15 1031  R4SCQ RL3FM RR73
182000  +0 1979  RL3FM YO4NT -06
182000 -11 1057  RL3FM UA3GJM +00
182030  +6 1979  RL3FM YO4NT -06
182030  -7 1057  RL3FM UA3GJM RR73
182100  -9 1757  RL3FM UA4POO +01
182100 -11 1057  RL3FM UA3GJM RR73
182145 +14 1031  UA4POO RL3FM R+01 (x2)
182230  -3 1757  RL3FM UA4POO RR73
182300  -5 1105  RL3FM UA3SCU +10 (x4)
160m
UTC    dB Audio  Message
184400 -19 1068  RL3FM PA3KUS JO21
184445 -15 2036  R2EA/P RL3FM 73
184500  +4 2794  RL3FM UA3ZUX KO90
184500  -2 1141  RL3FM DK7ZT -12
184530  +3 2794  RL3FM UA3ZUX KO90
184530  -1 1141  RL3FM DK7ZT -12
184545 -16 2036  UD7G RL3FM R-14
184600  +7 1141  RL3FM DK7ZT -12
184615  -3 2036  UD7G RL3FM 73
184630 +15 2794  RL3FM UA3ZUX KO90
184630  +0 1141  RL3FM DK7ZT -12 (x2)
184715  -3 2036  DK7ZT RL3FM R-18 (x3)
40m
UTC    dB Audio  Message
125645  -6 2213  RI1FJZ RL3FM R-11
20m
UTC    dB Audio  Message
171100 -14  609  RL3FM TA2ANK -20
171345 -16 2183  RL3FM G1CEC IO83 (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.

CW

5 CW reception events in the last 30 days.

  • 160m: 1 events; last heard 2026-10-14 20:53 UTC
  • 40m: 1 events; last heard 2026-10-30 16:00 UTC
  • 80m: 3 events; last heard 2026-11-04 19:58 UTC

Latest CW receptions

UTCBandkHzS/N · 500 HzWPMListen
2026-11-04 19:58:0380m3543.00229.3 dB23.5WebSDR ↗
2026-11-04 19:47:3680m3521.00229.6 dB22.6WebSDR ↗
2026-10-30 16:19:0480m3520.00231.7 dB22.8WebSDR ↗
2026-10-30 16:00:0240m7027.5389 dB23WebSDR ↗
2026-10-14 20:53:04160m1821.00126 dB22.9WebSDR ↗
CW reception history

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