DB3TF — 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: Fed. Rep. of Germany Most frequent locator attributed to this token: JO62

Receiver-side FT8 activity involving DB3TF, decoded by SO8OO in southeastern Poland. 83 FT8 messages attributed to this token as transmitter, on 160m, 80m, 60m, 40m, 20m, across 9 UTC dates in the available aggregate history. Observed between 2026-06-10 and 2026-11-04.

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 83 FT8 messages attributed to DB3TF as the transmitting token by decoded message structure across 9 UTC dates in the available aggregate history. The largest monitored-band total was 40 m (66%), followed by 60 m (13%) and 160 m (10%). Most decodes (67%) fell within the six-hour window 12:00-18:00 UTC. Most successfully decoded messages attributed to this token fell in SO8OO's strong S/N range (76%); the estimated median was -4 dB.

Overview

83
Messages attributed
9
UTC dates decoded
17
Active 15-min windows
-4 dB
Estimated median S/N

Bands

First attributed message: 2026-06-10
Last attributed message: 2026-11-04 17:05 UTC

Observed FT8 message patterns

Attributed sample
83 messages
Active dates
9 UTC dates
Estimated median S/N
-4 dB
Estimated 10th-90th percentile
-12 to +5 dB
Recurring-pattern threshold
Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 4, moderate (-15 to -9 dB) 16, strong (≥ -8 dB) 63.

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 DB3TF in decoded directed-looking exchanges:

Most frequent locator attributed to DB3TF

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
JO62 · 44 decoded messages
SO8OO receiver locator
KN09VW
Locator-centre separation
675 km (approx.)
Last such locator decoded
2026-11-04 17:05 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 UTCBandDB3TF S/NCounterpartCounterpart S/NMsgsCapture
11-04 17:04 160m -12 / - HB9HHB - / - 4 Partial capture
11-04 17:01 160m -16 / -1 IW4AOT -7 / - 5 Partial capture
10-26 17:15 60m -6 / -18 ON4CFC -8 / -11 6 ✓ Full exchange observed
10-26 17:13 60m -4 / - OZ7FOC - / -4 3 ✓ Closing fragment
10-26 17:11 60m -2 / -4 LX1DA +6 / +8 6 ✓ Full exchange observed

Recent FT8 messages decoded at SO8OO

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

160m
UTC    dB Audio  Message
172415 -17  638  SM2OTU DB3TF 73
172645 -16  638  RZ0SW DB3TF JO62
170130 -18 1016  IW4AOT DB3TF JO62 (x2)
170315  -5 2200  DB3TF IW4AOT -01 (x3)
170415 -17 1016  HB9HHB DB3TF JO62 (x4)
183400  -2 2200  DB3TF IW4AOT -01
10m
UTC    dB Audio  Message
101100 -15 2301  DB3TF TN8GD +08
60m
UTC    dB Audio  Message
171100  +2  671  LX1DA DB3TF JO62 (x2)
171145  +5 1065  DB3TF LX1DA -04
171200  -8  670  LX1DA DB3TF R+08
171215  +7 1065  DB3TF LX1DA RR73
171230  -2  670  LX1DA DB3TF 73
171330  -4  671  OZ7FOC DB3TF JO62 (x3)
171515  -7  670  ON4CFC DB3TF JO62
171530 -10  627  DB3TF ON4CFC -18
171545  -3  670  ON4CFC DB3TF R-11
171600  -7  627  DB3TF ON4CFC RR73
171615  -6  670  ON4CFC DB3TF R-11 (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

No CW receptions recorded for this callsign in the last 30 days.

Explore CW reception at SO8OO

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