DG3DPX — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Fed. Rep. of Germany Most frequent locator attributed to this token: JO42

Receiver-side FT8 activity involving DG3DPX, decoded by SO8OO in southeastern Poland. 16 FT8 messages attributed to this token as transmitter, on 40m, 20m, across 5 UTC dates in the available aggregate history. Observed between 2026-07-21 and 2026-08-08.

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 16 FT8 messages attributed to DG3DPX as the transmitting token by decoded message structure across 5 UTC dates in the available aggregate history. The largest monitored-band total was 20 m (94%), followed by 40 m (6%). In this small sample, the estimated median decoder S/N was -18 dB; no usual signal pattern is inferred.

Overview

16
Messages attributed
5
UTC dates decoded
11
Active 15-min windows
-18 dB
Estimated median S/N

Bands

First attributed message: 2026-07-21
Last attributed message: 2026-08-08 09:53 UTC

Observed FT8 message patterns

Attributed sample
16 messages
Active dates
5 UTC dates
Estimated median S/N
-18 dB
S/N percentile sample
Too small
Recurring-pattern threshold
Not met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 10, moderate (-15 to -9 dB) 4, strong (≥ -8 dB) 2.

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. The sample does not meet the threshold for a recurring time or signal-pattern claim (20 attributed messages, three UTC dates and five distinct 15-minute windows).

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 DG3DPX

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
JO42 · 10 decoded messages
SO8OO receiver locator
KN09VW
Locator-centre separation
934 km (approx.)
Last such locator decoded
2026-08-08 09:51 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 UTCBandDG3DPX S/NCounterpartCounterpart S/NMsgsCapture
08-09 09:11 40m - / - DL5MK -24 / - 2 ✓ Closing fragment
08-09 08:59 40m - / -18 UT4PA -13 / - 3 ✓ Closing fragment
08-09 08:06 40m - / 0 SP5EXA -10 / - 3 ✓ Closing fragment
08-08 20:48 40m - / -12 SV1DKR -20 / - 2 ✓ Closing fragment
08-08 19:52 40m - / -7 DK3ME -6 / - 2 ✓ Closing fragment
08-08 19:51 40m - / -10 9A4ZM -3 / - 3 ✓ Closing fragment
08-08 19:48 40m - / -11 HG8IT -6 / - 2 ✓ Closing fragment
08-08 15:56 20m - / -14 UC8U -11 / - 2 ✓ Closing fragment
08-08 14:37 20m - / -15 R2EA -12 / - 2 ✓ Closing fragment
08-08 09:51 20m -8 / - KA1O - / +1 2 Partial capture
08-08 09:30 20m -21 / -17 F4VVJ -12 / +5 5 ✓ Full exchange observed
08-08 09:19 20m - / -18 R9AL -17 / - 2 Partial capture
08-07 19:37 40m - / -12 OM6AOM -14 / - 2 ✓ Closing fragment
07-31 12:52 20m - / -17 M7JVH -14 / - 2 ✓ Closing fragment
07-30 18:06 20m - / -12 A71CT -18 / - 2 Partial capture
07-30 12:52 20m - / -6 IU3PSC -15 / - 2 ✓ Closing fragment
07-30 12:28 20m - / -12 RA3Y -4 / - 3 ✓ Closing fragment
07-30 11:48 20m - / - DJ5YS -18 / - 2 Partial capture
07-30 11:06 20m - / -7 9A6NTK -2 / - 2 ✓ Closing fragment
07-30 10:15 20m - / -14 LZ1ZF -9 / - 2 ✓ Closing fragment
07-30 10:06 20m - / -23 RA3Y -10 / - 3 Partial capture
07-29 21:15 40m - / - HA7TM 0 / - 2 ✓ Closing fragment
07-29 21:07 40m - / - OZ3BNL -20 / - 8 Partial capture
07-29 21:03 40m - / -2 DL7DL -11 / - 7 ✓ Closing fragment
07-29 20:54 20m - / -6 M7INZ -6 / - 2 ✓ Closing fragment
07-29 20:35 20m - / -18 JA1ILA -20 / - 4 ✓ Closing fragment
07-29 20:27 20m - / -16 PT7YV -1 / - 2 ✓ Closing fragment
07-29 20:08 20m - / -16 JA4FKX -15 / - 4 ✓ Closing fragment
07-29 19:46 20m - / -12 DF2RQ +4 / - 2 Partial capture
07-29 19:28 20m - / -4 9A4BL -6 / - 2 ✓ Closing fragment
07-29 18:58 20m -21 / - BD6KDP -23 / - 2 ✓ Closing observed
07-21 16:46 20m - / -12 9A3TN -14 / - 2 Partial capture
07-21 16:42 20m - / -14 F1PBZ -4 / - 2 ✓ Closing fragment
07-21 16:08 20m -11 / -21 ES2AJ -17 / - 2 Partial capture
07-21 15:47 20m - / -3 F5RRS -1 / - 4 ✓ Closing fragment
07-21 15:46 20m - / - UA3ZQN -3 / - 2 ✓ Closing fragment
07-21 15:38 20m - / -21 RN6MA -2 / - 3 ✓ Closing fragment
07-21 15:28 20m - / - EC3A -18 / - 2 ✓ Closing fragment
07-21 15:07 20m - / - EC3A -20 / - 2 Partial capture
07-17 20:01 20m - / +2 R2AL -2 / - 3 ✓ Closing fragment
07-17 19:44 20m - / - R2AL -2 / - 3 Partial capture
07-14 20:16 20m - / -17 R6OQ -6 / - 2 Partial capture
07-14 20:05 20m - / -17 CU3AC -4 / - 2 ✓ Closing fragment
07-14 19:47 20m - / -9 Z61DX -2 / - 6 Partial capture
07-13 19:09 20m - / -13 YO6LM -1 / - 2 Partial capture
07-13 19:06 20m - / -16 YO6LM -2 / - 2 Partial capture
07-13 17:58 20m - / - UR4QWW -2 / - 5 Partial capture

Recent FT8 messages decoded at SO8OO

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

40m
UTC    dB Audio  Message
195215  -1  890  DG3DPX 9A4ZM 73
195245  -6  893  DG3DPX DK3ME R-07 (x2)
200900 -13  959  DG3DPX PD0WRT RR73
204830 -21 2071  DG3DPX SV1DKR -12 (x2)
065830 -22 2071  DG3DPX PA3BMB JO22
080645 -10 1568  DG3DPX SP5EXA KO02 (x3)
085930 -12 1786  DG3DPX UT4PA KO20 (x3)
091130 -24 1585  DG3DPX DL5MK JO61 (x2)
20m
UTC    dB Audio  Message
091915 -20 1215  CN8NS DG3DPX JO42
091930 -15 2424  DG3DPX R9AL -18
092900 -19 1256  EA7KHF DG3DPX JO42
093045 -13  541  DG3DPX F4VVJ -17 (x3)
093200 -21 1256  F4VVJ DG3DPX R+05
093215 -10  541  DG3DPX F4VVJ RR73
094945  -9  387  IK7VKC DG3DPX JO42
095145  -7  387  KA1O DG3DPX JO42 (x2)
143715  -9 1009  DG3DPX R2EA -15 (x2)
155600 -11  743  DG3DPX UC8U -14 (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.

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