DK8HM — 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: JN39

Receiver-side FT8 activity involving DK8HM, decoded by SO8OO in southeastern Poland. 206 FT8 messages attributed to this token as transmitter, on 160m, 40m, across 15 UTC dates in the available aggregate history. Observed between 2026-06-07 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 206 FT8 messages attributed to DK8HM as the transmitting token by decoded message structure across 15 UTC dates in the available aggregate history. The largest monitored-band total was 40 m (99%), followed by 160 m (1%). Several six-hour UTC windows tied for the largest share (66%), so no unique busiest interval is claimed. Most successfully decoded messages attributed to this token fell in SO8OO's strong S/N range (68%); the estimated median was -2 dB.

Overview

206
Messages attributed
15
UTC dates decoded
38
Active 15-min windows
-2 dB
Estimated median S/N

Bands

160m · 2 40m · 204
First attributed message: 2026-06-07
Last attributed message: 2026-10-18 06:31 UTC

Observed FT8 message patterns

Attributed sample
206 messages
Active dates
15 UTC dates
Estimated median S/N
-2 dB
Estimated 10th-90th percentile
-14 to +7 dB
Recurring-pattern threshold
Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 17, moderate (-15 to -9 dB) 49, strong (≥ -8 dB) 140.

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 DK8HM 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 DK8HM

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
JN39 · 144 decoded messages
SO8OO receiver locator
KN09VW
Locator-centre separation
1,063 km (approx.)
Last such locator decoded
2026-10-18 06:31 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 UTCBandDK8HM S/NCounterpartCounterpart S/NMsgsCapture
10-18 06:27 40m -2 / - KG6PH - / -21 4 ✓ Closing fragment
10-17 18:23 40m +2 / - VU3OSA - / - 6 Partial capture
10-17 17:40 40m -2 / - BG0FQU - / - 2 Partial capture
10-17 17:33 40m +4 / - VU3OSA - / - 5 Partial capture
10-15 05:06 40m +2 / - C5R - / - 3 Partial capture
10-15 04:50 40m -8 / - KB5YNF - / - 2 Partial capture
10-15 04:39 40m -16 / - US2YW - / - 2 ✓ Closing fragment
10-15 04:38 40m -13 / - KE9END - / - 3 Partial capture
10-15 04:30 40m -22 / - W8BJF - / - 2 Partial capture
09-23 17:31 160m -18 / -12 S52MM +6 / - 4 ✓ Closing observed
09-13 05:47 40m 0 / - TG9AUO - / - 10 Partial capture
09-13 05:34 40m +4 / - ZL4DE - / -13 4 ✓ Closing fragment
09-13 05:31 40m +2 / - CN8NS - / - 3 Partial capture
09-13 05:25 40m +10 / - KE0UI - / - 2 Partial capture
09-13 05:21 40m +4 / - PY2DPM - / -8 2 ✓ Closing fragment
09-13 05:13 40m +8 / - ZL3TUX - / -25 8 Partial capture
09-13 05:07 40m - / - EB3JT -13 / - 3 Partial capture
09-13 05:04 40m +1 / - ZL1OGX - / -14 3 ✓ Closing fragment
09-13 04:07 40m - / - UB3DQR -2 / - 2 Partial capture
09-13 03:58 40m - / +3 RC6D -3 / - 2 Partial capture
09-13 03:57 40m - / - US3EW +3 / - 3 Partial capture
09-13 03:35 40m - / -8 R2EA +8 / - 2 Partial capture
09-01 19:56 40m +3 / - OZ7DR -1 / +10 4 ✓ Closing observed
09-01 19:54 80m - / -2 DK7ZT -5 / - 4 Partial capture
07-31 03:57 40m -12 / - OA4ENG - / - 3 Partial capture
07-31 03:51 40m -4 / - K5TRM - / - 3 Partial capture
07-31 03:42 40m +5 / - N1NRL - / -10 3 ✓ Closing fragment
07-31 03:30 40m 0 / - <...> - / - 2 Partial capture
07-31 03:28 40m -4 / - XE1HYV - / - 3 Partial capture
07-31 03:22 40m -7 / - HI7AMB - / -6 3 ✓ Closing fragment
07-31 03:19 40m +4 / - KM4SXE - / - 2 Partial capture
07-31 03:15 40m -3 / - K1DC - / -10 3 ✓ Closing fragment
07-31 03:12 40m -12 / - AA4NP - / -8 3 ✓ Closing fragment
07-31 03:09 40m +2 / - VE2OPR - / - 2 ✓ Closing fragment
07-31 03:08 40m +6 / - KA3PMW - / - 2 Partial capture
07-31 03:06 40m +4 / - N8HRZ -9 / - 4 ✓ Closing observed
07-26 18:24 40m -14 / - YC0AVW - / - 2 Partial capture
07-26 06:50 40m -21 / -2 9A9TT -16 / - 3 ✓ Closing observed
07-26 06:44 40m -18 / - EA4D - / - 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
174115  +1 1510  BG0FQU DK8HM JN39
182315  +8 2549  VU3OSA DK8HM JN39 (x6)
061700  -8 2189  N5XZ DK8HM JN39
062130 -13 2171  ND9M DK8HM JN39
062230  -1 2562  W4MAA DK8HM JN39
062715  -2  428  KG6PH DK8HM JN39 (x4)
063115  -6 1558  YY5EHT DK8HM JN39
160m 
UTC    dB Audio  Message
173130 -20 2299  S52MM DK8HM JN39
173145  +8 2300  DK8HM S52MM -12 (x2)
173230 -15 2299  S52MM DK8HM 73
80m 
UTC    dB Audio  Message
195400  +3 2665  DK8HM OZ1KZX RR73
195430 -10 1114  DK8HM DK7ZT -02
195530  +8 2640  DK8HM LZ2VQ KN23
195530  -7 1115  DK8HM DK7ZT -02 (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.

CW

No CW receptions recorded for this callsign in the last 30 days.

Explore CW reception at SO8OO

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