YB1LVL — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Indonesia Most frequent locator attributed to this token: OI33

Receiver-side FT8 activity involving YB1LVL, decoded by SO8OO in southeastern Poland. 46 FT8 messages attributed to this token as transmitter, on 20m, across 7 UTC dates in the available aggregate history. Observed between 2026-06-07 and 2026-08-27.

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 46 FT8 messages attributed to YB1LVL as the transmitting token by decoded message structure across 7 UTC dates in the available aggregate history. The largest monitored-band total was 20 m (100%). Most decodes (80%) fell within the six-hour window 12:00-18:00 UTC. Most successfully decoded messages attributed to this token fell in SO8OO's weak S/N range (61%); the estimated median was -16 dB.

Overview

46
Messages attributed
7
UTC dates decoded
14
Active 15-min windows
-16 dB
Estimated median S/N

Bands

20m · 46
First attributed message: 2026-06-07
Last attributed message: 2026-08-27 13:21 UTC

Observed FT8 message patterns

Attributed sample
46 messages
Active dates
7 UTC dates
Estimated median S/N
-16 dB
Estimated 10th-90th percentile
-20 to -13 dB
Recurring-pattern threshold
Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 28, moderate (-15 to -9 dB) 18, strong (≥ -8 dB) 0.

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 YB1LVL in decoded directed-looking exchanges:

Most frequent locator attributed to YB1LVL

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
OI33 · 23 decoded messages
SO8OO receiver locator
KN09VW
Locator-centre separation
10,219 km (approx.)
Last such locator decoded
2026-08-27 13:21 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 UTCBandYB1LVL S/NCounterpartCounterpart S/NMsgsCapture
09-03 14:11 40m - / -15 R2GF -15 / - 2 Partial capture
08-27 13:21 20m -18 / - CO8LY - / - 2 Partial capture
08-27 12:58 20m - / -16 RV9CD -10 / - 4 ✓ Closing fragment
08-27 12:54 20m -20 / - KE8YOU - / -6 2 Partial capture
08-27 12:49 20m - / - SM7HZK -4 / - 8 Partial capture
08-26 14:42 10m - / - CT3IQ -16 / - 2 Partial capture
08-22 14:44 20m - / - DK9ZQ -2 / - 6 Partial capture
08-22 14:44 20m - / - PD4FL -17 / - 9 Partial capture
08-22 14:44 20m - / -12 UA3RAU +3 / - 3 ✓ Closing fragment
08-22 14:43 20m - / - VU2FR -18 / - 2 Partial capture
08-22 14:41 20m -15 / -8 A93MO -10 / -11 3 ✓ Full exchange observed
08-12 15:00 20m - / - DL1R -5 / - 8 Partial capture
08-12 14:58 20m - / -9 DL6EL +14 / - 3 ✓ Closing fragment
08-09 13:55 10m - / -5 F5SSQ -14 / - 2 ✓ Closing fragment
08-09 13:49 10m - / -6 F1PBZ -1 / - 2 ✓ Closing fragment
08-04 14:33 20m - / - PD7EB -6 / - 4 Partial capture
07-22 13:39 20m - / - OE1AES -15 / - 3 Partial capture
07-22 13:38 20m - / - IU5HIU -6 / - 2 Partial capture
07-22 13:24 20m - / -11 PD0IFI -6 / - 4 ✓ Closing fragment
07-22 13:22 20m - / -11 UR5AMJ -20 / - 2 Partial capture
07-22 13:15 20m - / - IZ0MYH -14 / - 2 ✓ Closing fragment
07-22 13:02 20m - / -18 RA4HG -7 / - 5 ✓ Closing fragment
07-19 13:21 20m - / -10 EW1MN -10 / - 3 ✓ Closing fragment
07-17 14:57 40m - / -14 UA3DPM -17 / - 3 Partial capture
07-17 14:26 10m - / -17 IW0HOS -12 / - 2 Partial capture
07-13 14:16 20m - / - R3KCW -5 / - 2 Partial capture
06-25 17:19 20m - / -18 UA3ZAB -8 / - 3 ✓ Closing fragment
06-25 16:54 20m - / -5 RK6OV -7 / - 5 ✓ Closing fragment
06-25 16:47 20m - / -16 GJ0KYZ -2 / - 3 ✓ Closing fragment
06-25 16:43 20m - / - DL1R -10 / - 5 Partial capture
06-23 13:06 20m - / -20 EA6NB -16 / - 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
145715 -19 2192  YB1LVL UA3DPM KO95 (x3)
141100 -17 1553  YB1LVL R2GF -15 (x2)
20m 
UTC    dB Audio  Message
125045  -6 2697  YB1LVL SM7HZK JO76
125045 -24 1580  YB1LVL SA0WAE JO99
125115  -2 2697  YB1LVL SM7HZK JO76 (x5)
125445 -20 1581  KE8YOU YB1LVL OI33 (x2)
125800 -10 1114  YB1LVL RV9CD MO06 (x4)
132115 -18 1581  CO8LY YB1LVL OI33 (x2)
10m 
UTC    dB Audio  Message
142600 -14 2097  YB1LVL IW0HOS -17 (x2)
115645 -16 1663  YB1LVL F4FSY -12
134915  -1 2636  YB1LVL F1PBZ -06 (x2)
135545 -16 1693  YB1LVL F5SSQ R-05 (x2)
144245 -16 1543  YB1LVL CT3IQ IM12 (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.

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