DG9ZL — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Fed. Rep. of Germany Most frequent locator attributed to this token: JO40

Receiver-side FT8 activity involving DG9ZL, decoded by SO8OO in southeastern Poland. 264 FT8 messages attributed to this token as transmitter, on 80m, 40m, 20m, 10m, across 28 UTC dates in the available aggregate history. Observed between 2026-06-07 and 2026-09-19.

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 264 FT8 messages attributed to DG9ZL as the transmitting token by decoded message structure across 28 UTC dates in the available aggregate history. The largest monitored-band total was 40 m (84%), followed by 20 m (14%) and 10 m (1%). Several six-hour UTC windows tied for the largest share (56%), so no unique busiest interval is claimed. Received S/N was mixed across SO8OO's weak, moderate and strong ranges; the estimated median was -15 dB.

Overview

264
Messages attributed
28
UTC dates decoded
71
Active 15-min windows
-15 dB
Estimated median S/N

Bands

First attributed message: 2026-06-07
Last attributed message: 2026-09-19 15:46 UTC

Observed FT8 message patterns

Attributed sample
264 messages
Active dates
28 UTC dates
Estimated median S/N
-15 dB
Estimated 10th-90th percentile
-21 to -7 dB
Recurring-pattern threshold
Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 127, moderate (-15 to -9 dB) 104, strong (≥ -8 dB) 33.

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 DG9ZL

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
JO40 · 157 decoded messages
SO8OO receiver locator
KN09VW
Locator-centre separation
911 km (approx.)
Last such locator decoded
2026-09-19 15:46 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 UTCBandDG9ZL S/NCounterpartCounterpart S/NMsgsCapture
09-19 15:10 40m -11 / - IU2SLI - / -11 4 ✓ Closing fragment
09-19 15:05 40m - / -18 DL7FAI -7 / - 4 ✓ Closing fragment
09-19 14:26 40m -19 / -2 PA2V -18 / - 3 Partial capture
09-19 14:20 80m - / +4 DK7ZT -12 / - 4 ✓ Closing fragment
09-19 12:13 40m -22 / -21 US8KA +1 / -8 23 Partial capture
09-19 12:08 40m -16 / -11 SP3DVO -13 / -8 9 ✓ Full exchange observed
09-19 12:07 40m - / 0 PA3BHW -16 / - 2 ✓ Closing fragment
09-19 12:06 40m -16 / - US8KA - / - 2 Partial capture
09-18 14:13 40m - / - UA4FKT +3 / - 2 Partial capture
09-18 14:12 40m -12 / -3 9A3MRN +6 / -6 4 ✓ Full exchange observed
09-18 14:04 40m -18 / - PD7BB - / - 2 Partial capture
09-18 09:52 40m - / - UT4PA +2 / - 2 Partial capture
09-18 09:36 40m -19 / - PD0JEW -20 / -4 4 ✓ Closing observed
09-18 08:34 40m -13 / - LB7YK - / - 3 Partial capture
09-17 14:49 40m -12 / - SP2BWI - / - 4 Partial capture
09-17 14:47 40m -10 / 0 OE8PIT -4 / -5 4 ✓ Full exchange observed
09-17 14:44 40m -10 / -14 SQ9GAI +10 / - 3 ✓ Closing observed
09-14 20:45 40m -1 / - M9LDX - / -13 2 Partial capture
09-14 20:44 40m -9 / -11 IK1MNJ +12 / - 3 Partial capture
09-14 20:36 40m -12 / -1 MI0ULK -8 / - 3 Partial capture
09-14 14:46 40m - / - DJ0MAB -9 / - 4 Partial capture
09-14 14:44 40m -16 / -9 I1WUA -12 / - 3 ✓ Closing observed
09-10 16:03 40m - / -4 IU2IKT -12 / - 3 Partial capture
09-10 15:50 40m -11 / - IU2IKT - / - 3 Partial capture
09-10 15:47 40m -16 / - GI6HKE - / -13 2 ✓ Closing fragment
09-10 15:44 40m -11 / - SP7SZJ - / +6 3 ✓ Closing fragment
09-10 15:42 40m -7 / - UA9JTJ/4 - / +7 2 Partial capture
09-10 09:28 40m -22 / - IV3NBD - / - 3 ✓ Closing fragment
09-10 09:18 40m -11 / - DK4FJ - / - 2 Partial capture
09-10 09:15 40m -9 / - IK4POB - / -8 7 ✓ Closing fragment
09-10 09:08 40m -12 / - G0IOW - / -7 6 ✓ Closing fragment
09-10 09:05 40m -14 / - GW6OHV - / - 4 Partial capture
09-10 08:59 40m -6 / -3 OZ1JMJ -15 / -12 5 ✓ Full exchange observed
09-10 08:46 40m -14 / - M7KMN - / -15 3 Partial capture
09-10 08:44 40m - / - OE8PIT -14 / - 4 Partial capture
09-10 08:44 40m - / -10 SM7WNM -21 / - 2 Partial capture
09-10 08:38 40m -18 / - SP5CGN - / -8 4 ✓ Closing fragment
09-08 15:47 40m -10 / - SP8WB - / -11 3 ✓ Closing fragment
09-08 15:44 40m - / +3 IW0FGX -7 / - 3 Partial capture
09-08 15:42 40m -10 / - SQ100PKP - / +2 3 Partial capture
09-07 20:32 40m -3 / -3 IW6DGJ +2 / -1 7 Partial capture
09-07 20:28 40m - / -22 IU8RFW -10 / - 4 Partial capture
09-07 20:24 40m - / -13 OZ/KD0NDU +2 / - 4 Partial capture
09-07 15:05 40m -16 / - M9XPN - / - 2 Partial capture
09-07 15:01 40m -15 / - M7TPT - / - 3 ✓ Closing fragment
09-07 14:56 40m -20 / - M9XPN - / - 2 Partial capture
09-07 14:55 40m -15 / - DF5KX - / -3 3 ✓ Closing fragment
09-06 09:39 40m -17 / -4 SP2KFQ -10 / - 3 ✓ Closing observed
09-06 09:37 40m -18 / -2 9A7BB -17 / -15 11 ✓ Full exchange observed
09-06 09:30 40m -16 / -8 PE1OID -20 / -2 9 Partial capture

Recent FT8 messages decoded at SO8OO

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

80m
UTC    dB Audio  Message
142030 -13 1149  DG9ZL DK7ZT +04 (x4)
154600 -11 2095  CQ DG9ZL JO40 (x2)
40m
UTC    dB Audio  Message
141815 -17 1947  CQ DG9ZL JO40 (x4)
142645 -19 1947  PA2V DG9ZL JO40
142700 -19 1139  DG9ZL PA2V -02 (x2)
150500  -8 2383  DG9ZL DL7FAI JN39 (x4)
151000 -10 2130  IU2SLI DG9ZL JO40 (x4)
20m
UTC    dB Audio  Message
203800 -14 1896  MW1CFA DG9ZL JO40 (x2)
203845  -3  786  DG9ZL MW1CFA +10
203900 -16 1896  MW1CFA DG9ZL R-02 (x2)
203945  +0  786  DG9ZL MW1CFA RR73
150000  -1 1246  DG9ZL M8NAQ +05 (x3)
154000 -13 2107  DG9ZL ON2SLC -12 (x2)
154400  -9 2216  DG9ZL ON4DS +01 (x2)
202830 -11 1274  DG9ZL LB9ZG -04 (x2)
10m
UTC    dB Audio  Message
145545  -2 2596  G4DBW DG9ZL R+09 (x2)
090730 -24 1630  DG9ZL EA5DKT +07
093345  -5 2160  DG9ZL DN9BT JO40 (x2)
203730  -6 2600  DG9ZL CE2SV -18 (x4)
080400  +0 2835  DG9ZL <...> -16
082215  -7  578  DG9ZL SV2HTW RR73
151815 -18 2024  IS0AAS DG9ZL JO40
151815 -15 1045  DG9ZL DL6ZAJ +05 (x3)

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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