DG4HAD — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Fed. Rep. of Germany Most frequent locator attributed to this token: JO54

Receiver-side FT8 activity involving DG4HAD, decoded by SO8OO in southeastern Poland. 1,627 FT8 messages attributed to this token as transmitter, on 60m, 40m, 20m, 10m, across 73 UTC dates in the available aggregate history. Observed between 2026-06-06 and 2026-10-07.

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 1,627 FT8 messages attributed to DG4HAD as the transmitting token by decoded message structure across 73 UTC dates in the available aggregate history. The largest monitored-band total was 20 m (40%), followed by 60 m (35%) and 40 m (21%). Most decodes (80%) fell within the six-hour window 03:00-09:00 UTC. Most successfully decoded messages attributed to this token fell in SO8OO's strong S/N range (62%); the estimated median was -7 dB.

Overview

1,627
Messages attributed
73
UTC dates decoded
221
Active 15-min windows
-7 dB
Estimated median S/N

Bands

First attributed message: 2026-06-06
Last attributed message: 2026-10-07 05:41 UTC

Observed FT8 message patterns

Attributed sample
1,627 messages
Active dates
73 UTC dates
Estimated median S/N
-7 dB
Estimated 10th-90th percentile
-17 to +1 dB
Recurring-pattern threshold
Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 249, moderate (-15 to -9 dB) 366, strong (≥ -8 dB) 1,012.

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 DG4HAD

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
JO54 · 1,219 decoded messages
SO8OO receiver locator
KN09VW
Locator-centre separation
892 km (approx.)
Last such locator decoded
2026-10-07 05:41 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 UTCBandDG4HAD S/NCounterpartCounterpart S/NMsgsCapture
10-07 05:42 40m - / -23 DL7DL -9 / - 4 Partial capture
10-07 05:38 40m -4 / - DL7DL - / -18 3 Partial capture
10-07 05:15 40m -7 / - C5R - / -16 2 Partial capture
10-07 05:09 40m - / - G3TKT -3 / - 5 Partial capture
10-07 04:55 60m -12 / - HI3QMT - / -19 4 Partial capture
10-06 05:41 40m - / - PD1SCO -4 / - 2 Partial capture
10-06 05:33 40m - / - F6FDY -10 / - 4 Partial capture
10-05 06:29 40m - / -8 OE7FTI -14 / - 2 Partial capture
10-05 06:05 40m - / - F6FDY -14 / - 3 Partial capture
10-05 06:05 40m - / - G3TKT -9 / - 4 Partial capture
10-05 06:04 40m - / - IW0RLC 0 / - 5 Partial capture
10-04 05:29 40m -6 / - N4BWW - / -14 3 Partial capture
10-04 05:23 60m - / - DL9KM -15 / - 4 Partial capture
10-04 05:19 60m -10 / - Z61DX - / -11 3 Partial capture
10-03 06:05 60m -12 / - EG1FAP - / -10 2 ✓ Closing fragment
10-02 06:34 60m -19 / +2 SM5VSS -4 / - 3 ✓ Closing observed
10-02 06:01 60m -12 / - WB8YJF - / -14 5 ✓ Closing fragment
10-02 05:57 60m -18 / - WB8YJF - / -16 2 Partial capture
10-02 05:54 60m -19 / -11 OH5YZ -12 / -10 3 ✓ Full exchange observed
10-02 05:53 60m -23 / -10 LY2HM 0 / -5 5 ✓ Full exchange observed
10-02 05:52 60m -20 / - LA7DFA - / +2 2 Partial capture
10-02 05:44 60m -16 / -6 DK6WH -11 / -6 5 ✓ Full exchange observed
10-02 05:42 60m -20 / +3 S51SU -21 / -16 4 ✓ Full exchange observed
10-02 05:32 60m -17 / - K5UR - / -14 3 Partial capture
10-01 06:04 60m - / - G8OO -1 / - 9 Partial capture
10-01 05:59 60m -14 / - SM7RDT - / -12 2 ✓ Closing fragment
09-22 06:49 40m - / - UR9QQ -16 / - 2 Partial capture
09-22 06:19 60m - / - G6PWS -10 / - 9 Partial capture
09-22 05:58 60m - / - DM2GG -7 / - 12 Partial capture
09-22 05:53 60m - / - SP1ZMO 0 / - 3 Partial capture
09-22 05:50 60m - / - DM2GG -8 / - 4 Partial capture
09-22 05:40 60m -14 / - K0RC - / -14 4 Partial capture
09-22 05:30 60m -14 / - K0RC - / -11 2 Partial capture
09-22 05:28 60m - / -3 F1PBZ -9 / - 3 Partial capture
09-22 05:27 60m -16 / - DA1TE -22 / -7 5 ✓ Closing observed
09-22 05:27 60m - / +4 ON1JP -22 / - 2 Partial capture
09-22 05:27 60m - / - DM2GG -14 / - 4 Partial capture
09-22 05:26 60m -15 / - IZ4JMA -21 / -12 4 ✓ Closing observed
09-22 05:24 60m -10 / - KC2MBV - / -12 4 ✓ Closing fragment
09-21 06:51 60m -15 / - DL8DCM - / +1 2 ✓ Closing fragment
09-21 06:23 60m - / - DL9KM -13 / - 7 Partial capture
09-21 06:20 60m -17 / -3 SP3WVL -2 / -6 8 ✓ Full exchange observed
09-21 06:10 60m -13 / - G7IGN -14 / -5 3 ✓ Closing observed
09-21 06:05 60m -15 / +7 IK2TPX -17 / -8 6 ✓ Full exchange observed
09-21 06:02 60m -14 / -3 ON8BB -6 / -2 3 ✓ Full exchange observed
09-21 06:00 60m -14 / - PA0LAN - / -19 2 ✓ Closing fragment
09-21 05:57 60m -7 / - EA2LY - / -11 2 ✓ Closing fragment
09-21 05:54 60m -11 / +1 DL1KYF -18 / -4 5 ✓ Full exchange observed
09-21 05:47 60m -15 / -1 DL1DOS 0 / -2 4 ✓ Full exchange observed
09-21 05:43 60m -14 / - M0KDZ - / -12 2 ✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

40m
UTC    dB Audio  Message
053515  -5 2826  CQ DG4HAD JO54 (x5)
053815  -5 2826  DL7DL DG4HAD -18 (x3)
054015  -6 2825  YV6BXN DG4HAD -10
054100  -6 2827  CQ DG4HAD JO54 (x2)
054230  -7 2237  DG4HAD DL7DL R-23 (x4)
60m
UTC    dB Audio  Message
052645  -6 1115  CQ DG4HAD JO54
045545 -12 1532  HI3QMT DG4HAD -19 (x4)
045745 -14 1534  CQ DG4HAD JO54 (x10)
20m
UTC    dB Audio  Message
063900  +3 2817  CQ DG4HAD JO54 (x12)
064515  +7 2817  RI1FJL DG4HAD -13
065015 -10 2676  DG4HAD VK2ZR R-12 (x2)
10m
UTC    dB Audio  Message
104115 +11  715  DG4HAD LX1NO JN39 (x2)
090600 -18 2223  DG4HAD LZ2FH KN23 (x3)
133300  -1 2866  CQ DG4HAD JO54 (x4)
062215  +7 2857  DG4HAD DO5HCS JO53 (x5)
063815  -5 2728  DG4HAD F4IDN 73

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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