EU7DBF — 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: Belarus Most frequent locator attributed to this token: KO54

Receiver-side FT8 activity involving EU7DBF, decoded by SO8OO in southeastern Poland. 131 FT8 messages attributed to this token as transmitter, on 80m, 40m, across 9 UTC dates in the available aggregate history. Observed between 2026-10-02 and 2026-10-18.

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 131 FT8 messages attributed to EU7DBF as the transmitting token by decoded message structure across 9 UTC dates in the available aggregate history. The largest monitored-band total was 80 m (67%), followed by 40 m (33%). Most decodes (73%) fell within the six-hour window 13:00-19:00 UTC. Received S/N was mixed across SO8OO's weak, moderate and strong ranges; the estimated median was -13 dB.

Overview

131
Messages attributed
9
UTC dates decoded
40
Active 15-min windows
-13 dB
Estimated median S/N

Bands

First attributed message: 2026-10-02
Last attributed message: 2026-10-18 14:08 UTC

Observed FT8 message patterns

Attributed sample
131 messages
Active dates
9 UTC dates
Estimated median S/N
-13 dB
Estimated 10th-90th percentile
-21 to -1 dB
Recurring-pattern threshold
Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 52, moderate (-15 to -9 dB) 42, strong (≥ -8 dB) 37.

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.

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 EU7DBF

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
KO54 · 76 decoded messages
SO8OO receiver locator
KN09VW
Locator-centre separation
806 km (approx.)
Last such locator decoded
2026-10-18 13:57 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 UTCBandEU7DBF S/NCounterpartCounterpart S/NMsgsCapture
10-21 17:36 80m - / -11 DK6WH -5 / - 10 Partial capture
10-21 17:17 80m - / - RT2H +4 / - 4 Partial capture
10-21 17:04 80m - / -10 EW8ABG +12 / - 2 ✓ Closing fragment
10-21 16:57 80m - / -9 R7OF -7 / - 2 ✓ Closing fragment
10-21 16:57 80m - / -4 YL3NU -18 / - 3 Partial capture
10-21 16:56 80m - / - DL6EL +4 / - 3 Partial capture
10-18 14:12 40m - / -15 EW4MO +3 / - 2 ✓ Closing fragment
10-18 14:07 40m -20 / -8 UA3GDJ -10 / +2 3 ✓ Full exchange observed
10-18 13:58 40m -16 / -14 SP6FME -5 / -18 8 ✓ Full exchange observed
10-18 13:56 40m -14 / -1 YL3AKH +3 / - 4 ✓ Closing observed
10-18 13:55 40m - / -8 HA1BF +3 / - 3 ✓ Closing fragment
10-18 12:45 10m - / -21 CR7BUJ -8 / - 3 Partial capture
10-17 14:30 40m -4 / -19 RA8AF -4 / - 8 ✓ Closing observed
10-17 13:52 40m - / +5 R3PY -9 / - 2 ✓ Closing fragment
10-17 13:52 40m - / 0 R6AR -13 / - 2 ✓ Closing fragment
10-17 13:46 40m -19 / - EX7CQ - / - 4 Partial capture
10-17 13:42 40m - / -13 UA3DPM -1 / - 5 ✓ Closing fragment
10-17 13:38 40m - / -13 RD3TOK -13 / - 4 ✓ Closing fragment
10-17 13:13 40m -7 / - RA8AF - / - 2 Partial capture
10-17 12:11 40m -21 / -16 HA1BF +2 / -9 6 ✓ Full exchange observed
10-17 12:09 40m - / -17 OZ9FF -6 / - 2 ✓ Closing fragment
10-17 12:05 40m -16 / -7 SP8WB 0 / - 3 ✓ Closing observed
10-11 18:08 40m - / -3 RD7O -3 / - 6 ✓ Closing fragment
10-11 17:41 80m -4 / - R2EC - / +2 2 Partial capture
10-11 16:33 80m - / -16 OM3PC +13 / - 3 ✓ Closing fragment
10-11 16:31 80m -7 / -13 YO9XC -2 / -7 5 ✓ Full exchange observed
10-11 16:28 80m -14 / - UA3GJM - / -8 4 Partial capture
10-11 16:20 80m -2 / -10 RV3DLV -2 / -2 4 ✓ Full exchange observed
10-11 16:05 80m -24 / -19 RA3ZH -3 / - 2 Partial capture
10-11 16:04 80m -24 / -1 UA1WCF -11 / +1 4 ✓ Full exchange observed
10-11 15:59 80m - / -11 SP4BB +1 / - 2 ✓ Closing fragment
10-11 15:57 80m -23 / -14 RA3LAT -6 / -5 3 ✓ Full exchange observed
10-11 15:54 80m -16 / -3 UA3UGW -2 / - 3 ✓ Closing observed
10-11 15:52 80m -13 / - YO7CFD - / - 2 Partial capture
10-09 18:03 40m - / -12 EU3LA -11 / - 2 ✓ Closing fragment
10-09 16:44 40m - / -14 9A3AUH -7 / - 3 ✓ Closing fragment
10-07 18:54 80m -13 / -14 DB100FT +3 / - 6 Partial capture
10-07 18:50 80m -12 / - RX4CK - / - 2 Partial capture
10-07 18:39 80m -14 / - UG4L - / -12 2 Partial capture
10-07 18:27 80m -18 / -21 OE3KJO +6 / -12 8 ✓ Full exchange observed
10-07 18:14 80m - / -18 RU3VT -6 / - 3 ✓ Closing fragment
10-07 18:10 80m -17 / - R9WJ - / -15 3 Partial capture
10-07 17:30 80m -14 / -2 R3YBG -10 / -6 5 ✓ Full exchange observed
10-07 17:26 80m -10 / -11 EW6BZ -4 / -8 4 ✓ Full exchange observed
10-07 17:01 80m -14 / -16 UA4CKZ -8 / - 3 ✓ Closing observed
10-07 16:50 80m -9 / -1 OH5KNL -2 / -7 3 ✓ Full exchange observed
10-06 18:26 80m - / -13 RK6OQ -6 / - 3 ✓ Closing fragment
10-06 18:25 80m - / -16 UA3LRN -9 / - 3 ✓ Closing fragment
10-06 18:05 80m -7 / -5 R3LAF +14 / - 3 ✓ Closing observed
10-06 17:56 80m -15 / -15 R2SBI -6 / -15 7 ✓ Full exchange observed

Recent FT8 messages decoded at SO8OO

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

80m
UTC    dB Audio  Message
170545 +16  396  EU7DBF EW8ABG RR73
171715  +6 2163  EU7DBF RT2H KO84 (x4)
173630  +1 1560  EU7DBF DK6WH -11 (x10)
40m
UTC    dB Audio  Message
135730  +6  852  EU7DBF YL3AKH -01 (x2)
135830  -4  854  EU7DBF SP6FME JO90 (x3)
135945 -16  852  SP6FME EU7DBF -18
140000  -5  854  EU7DBF SP6FME R-14 (x4)
140745 -10 1981  EU7DBF UA3GDJ -08
140800 -20 1978  UA3GDJ EU7DBF R+02
140815  -9 1981  EU7DBF UA3GDJ RR73
141215  +2 1256  EU7DBF EW4MO -15 (x2)
10m
UTC    dB Audio  Message
124530 -11 1184  EU7DBF CR7BUJ -21 (x4)

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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