DL4FBN — 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: JO30

Receiver-side FT8 activity involving DL4FBN, decoded by SO8OO in southeastern Poland. 340 FT8 messages attributed to this token as transmitter, on 160m, 20m, 10m, across 14 UTC dates in the available aggregate history. Observed between 2026-06-07 and 2026-10-11.

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 340 FT8 messages attributed to DL4FBN as the transmitting token by decoded message structure across 14 UTC dates in the available aggregate history. The largest monitored-band total was 160 m (85%), followed by 20 m (8%) and 10 m (7%). Several six-hour UTC windows tied for the largest share (89%), so no unique busiest interval is claimed. Received S/N was mixed across SO8OO's weak, moderate and strong ranges; the estimated median was -10 dB.

Overview

340
Messages attributed
14
UTC dates decoded
55
Active 15-min windows
-10 dB
Estimated median S/N

Bands

160m · 289 20m · 26 10m · 25
First attributed message: 2026-06-07
Last attributed message: 2026-10-11 20:11 UTC

Observed FT8 message patterns

Attributed sample
340 messages
Active dates
14 UTC dates
Estimated median S/N
-10 dB
Estimated 10th-90th percentile
-18 to -3 dB
Recurring-pattern threshold
Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 70, moderate (-15 to -9 dB) 133, strong (≥ -8 dB) 137.

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 DL4FBN in decoded directed-looking exchanges:

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 DL4FBN

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
JO30 · 161 decoded messages
SO8OO receiver locator
KN09VW
Locator-centre separation
1,053 km (approx.)
Last such locator decoded
2026-10-11 20:10 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 UTCBandDL4FBN S/NCounterpartCounterpart S/NMsgsCapture
10-11 20:09 160m -16 / -14 HA6NN -1 / -13 8 ✓ Full exchange observed
10-11 19:43 160m -9 / - SQ8AA - / -15 6 Partial capture
10-11 19:25 160m -18 / -12 OE6JCG -2 / - 3 ✓ Closing observed
10-11 19:21 160m -14 / - OM2WQ +13 / 0 4 ✓ Closing observed
10-11 19:18 160m -17 / - RW4CB - / - 3 Partial capture
10-11 19:16 160m -11 / -8 LY8O -2 / -17 5 ✓ Full exchange observed
10-11 19:13 160m -13 / -14 HA8AR +8 / -6 5 ✓ Full exchange observed
10-11 19:12 160m - / +5 DK5IR -5 / - 5 ✓ Closing fragment
10-11 19:10 160m -19 / -20 HA8BT +2 / -5 5 ✓ Full exchange observed
10-11 18:56 160m -10 / -1 DF2NV +1 / - 4 ✓ Closing observed
10-11 18:54 160m - / -8 DF2NV +2 / - 2 Partial capture
10-11 18:50 160m -15 / - G4KYA - / -18 2 ✓ Closing fragment
10-11 18:47 160m -14 / -8 F5RMK -16 / -2 4 ✓ Full exchange observed
10-11 18:44 160m -17 / -22 SQ9BC +10 / -5 6 ✓ Full exchange observed
10-11 05:34 160m - / -9 IK2YCW +8 / - 2 ✓ Closing fragment
10-10 20:12 160m -9 / - DK8HC/P - / -15 3 Partial capture
10-10 20:10 160m -9 / -1 DK8CX -4 / - 2 Partial capture
10-10 20:05 160m - / -6 OK1AR +14 / - 6 ✓ Closing fragment
10-10 20:04 160m - / +8 DK6WS -2 / - 3 ✓ Closing fragment
10-10 19:47 160m -4 / -17 IS0BQE -15 / -14 7 ✓ Full exchange observed
10-10 19:44 160m -7 / -20 HF40BLP +5 / -10 4 Partial capture
10-10 19:39 160m - / -15 R3ZP +4 / - 2 ✓ Closing fragment
10-10 19:28 160m -2 / -17 EW2ZC +6 / -11 8 ✓ Full exchange observed
10-10 19:23 160m -12 / -12 UA6NT -6 / - 2 Partial capture
10-10 19:22 160m - / - UT7NY +4 / - 2 Partial capture
10-10 19:14 160m -5 / - UG4L - / -15 2 Partial capture
10-10 19:09 160m -5 / - UG4L - / -15 6 Partial capture
10-10 19:08 160m -5 / -15 UA6NT -8 / -13 4 ✓ Full exchange observed
10-10 19:05 160m -7 / - UA4FKT - / -11 5 Partial capture
10-10 19:02 160m - / - UA4FKT +6 / - 2 Partial capture
10-10 19:01 160m -11 / - IZ1HJU -24 / -17 4 Partial capture
10-10 19:01 160m - / - HF5A +3 / - 4 Partial capture
10-10 18:57 160m -10 / -21 UA3ZUX +5 / -9 6 ✓ Full exchange observed
10-10 18:56 160m -10 / - F8AOF - / -12 2 Partial capture
10-10 18:55 160m -12 / - DO7TTR - / -16 3 Partial capture
10-10 18:48 160m -8 / -8 S57AM +3 / -1 4 ✓ Full exchange observed
10-10 18:43 160m -10 / - RU6CH - / -16 3 Partial capture
10-10 18:39 160m -9 / -17 HA0IH -9 / -7 6 ✓ Full exchange observed
10-10 18:34 160m -7 / -16 LY8O +8 / -12 5 ✓ Full exchange observed
10-10 18:29 160m -2 / - IK7SHC - / -12 2 Partial capture
10-10 18:25 160m -7 / -16 LY2BNL -2 / - 2 Partial capture
10-10 18:24 160m -3 / -8 DO3VE +2 / -8 9 ✓ Full exchange observed
10-10 18:21 160m -4 / -6 SQ9PBV 0 / -10 8 ✓ Full exchange observed
10-10 18:19 160m - / -10 9A4ZM +2 / - 2 Partial capture
10-10 18:17 160m - / -12 OM7FS -1 / - 3 ✓ Closing fragment
10-10 18:15 160m -3 / - OE1RDU/3 - / -8 2 Partial capture
10-10 18:15 160m - / - OM2WW -3 / - 3 ✓ Closing fragment
10-10 18:11 160m -11 / -1 OK1AY -8 / -3 5 ✓ Full exchange observed
10-10 18:06 160m -11 / - G7RAU 0 / -6 3 ✓ Closing observed
10-10 17:39 160m -13 / - DG3LV - / - 3 Partial capture

Recent FT8 messages decoded at SO8OO

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

160m 
UTC    dB Audio  Message
194315 -12 2321  SQ8AA DL4FBN -15 (x6)
194645  -1  671  SM4GOJ DL4FBN JO30
200945 -19 1519  HA6NN DL4FBN JO30 (x2)
201030  -2 1529  DL4FBN HA6NN -14
201045 -10 1519  HA6NN DL4FBN R-13
201100  +0 1529  DL4FBN HA6NN RR73
201115 -13 1519  HA6NN DL4FBN R-13
201130  +0 1529  DL4FBN HA6NN RR73
201145 -17 1519  HA6NN DL4FBN 73
20m 
UTC    dB Audio  Message
054845 -12 1968  DL4FBN SV1PLR -07
071945 -13 1682  DL4FBN G4ZNY -05 (x2)
40m 
UTC    dB Audio  Message
083330 -14 1736  DL4FBN OE2VDL JN67 (x6)
083700 -15 1659  DL4FBN DL9KM JN68
083700 -18 1907  DL4FBN DK7ZT +19
083730 -13 1659  DL4FBN DL9KM JN68
083730 -18 1907  DL4FBN DK7ZT +19
083800 -18 1659  DL4FBN DL9KM JN68 (x5)

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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