DM5WH — 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: JO40

Receiver-side FT8 activity involving DM5WH, decoded by SO8OO in southeastern Poland. 621 FT8 messages attributed to this token as transmitter, on 80m, 40m, 20m, 10m, across 26 UTC dates in the available aggregate history. Observed between 2026-06-06 and 2026-10-15.

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 621 FT8 messages attributed to DM5WH as the transmitting token by decoded message structure across 26 UTC dates in the available aggregate history. The largest monitored-band total was 40 m (76%), followed by 10 m (12%) and 80 m (10%). Most decodes (79%) fell within the six-hour window 14:00-20:00 UTC. Received S/N was mixed across SO8OO's weak, moderate and strong ranges; the estimated median was -12 dB.

Overview

621
Messages attributed
26
UTC dates decoded
88
Active 15-min windows
-12 dB
Estimated median S/N

Bands

First attributed message: 2026-06-06
Last attributed message: 2026-10-15 16:36 UTC

Observed FT8 message patterns

Attributed sample
621 messages
Active dates
26 UTC dates
Estimated median S/N
-12 dB
Estimated 10th-90th percentile
-20 to -4.5 dB
Recurring-pattern threshold
Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 180, moderate (-15 to -9 dB) 252, strong (≥ -8 dB) 189.

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 DM5WH

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 · 401 decoded messages
SO8OO receiver locator
KN09VW
Locator-centre separation
911 km (approx.)
Last such locator decoded
2026-10-15 16:36 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 UTCBandDM5WH S/NCounterpartCounterpart S/NMsgsCapture
10-15 16:40 40m - / - R4FDK -13 / - 4 Partial capture
10-15 16:12 40m - / -8 YO8RAW -10 / - 2 Partial capture
10-15 16:10 40m -10 / -15 R3DHP -5 / -6 5 Partial capture
10-14 16:05 40m -4 / - DL9GF - / -1 2 ✓ Closing fragment
10-14 16:02 40m -8 / - F3CJ -14 / 0 3 ✓ Closing observed
10-14 15:49 40m -2 / - DC2CB - / +8 2 ✓ Closing fragment
10-14 15:48 40m -4 / - PD1AC -10 / - 2 ✓ Closing observed
10-14 15:45 40m -6 / -7 S57CT -2 / +5 7 ✓ Full exchange observed
10-14 15:30 40m -4 / - M7FSE - / - 2 Partial capture
10-14 15:28 40m -6 / - PD3JW - / - 2 Partial capture
10-14 15:25 40m -10 / -7 II5GG -10 / 0 5 ✓ Full exchange observed
10-13 16:03 40m -14 / - F4JYH -10 / 0 3 Partial capture
09-29 15:20 40m -9 / - SM7NYI - / -12 3 ✓ Closing fragment
09-29 15:16 40m - / -8 DG3YEV -2 / - 2 ✓ Closing fragment
09-29 15:14 40m -4 / -3 IK3ZQY -5 / -6 5 ✓ Full exchange observed
09-29 15:12 40m -13 / - DA0M - / -18 2 ✓ Closing fragment
09-29 15:09 40m -14 / - DL2FM - / - 4 ✓ Closing fragment
09-29 15:06 40m -12 / - G0BPU - / -4 3 ✓ Closing fragment
09-29 15:03 40m -4 / - MI7XHT - / -6 3 ✓ Closing fragment
09-29 14:58 40m -9 / - PA0EBG - / +7 5 ✓ Closing fragment
09-29 14:56 40m - / -10 OK8UQ -1 / - 2 ✓ Closing fragment
09-25 16:33 40m -8 / -4 IN3GHP -6 / +7 5 ✓ Full exchange observed
09-25 16:23 40m - / -16 IZ5FSO -16 / - 2 ✓ Closing fragment
09-25 15:56 40m -10 / -17 IK3VVC -2 / - 5 ✓ Full exchange observed
09-25 15:47 40m -12 / - YL3FW - / -2 2 ✓ Closing fragment
09-25 15:42 40m -12 / - DG4BBK - / 0 2 Partial capture
09-25 15:37 40m -8 / - M7KSV - / -7 4 ✓ Closing fragment
09-25 15:32 40m -10 / - M9RHD - / - 2 ✓ Closing fragment
09-25 15:24 40m -5 / - PD4RJ -19 / +6 2 Partial capture
09-25 15:19 40m -10 / -2 IN3JRZ -14 / - 3 ✓ Closing observed
09-20 15:09 40m -11 / -15 DK3RW -15 / 0 5 ✓ Full exchange observed
09-20 15:07 40m -10 / -18 DG2XB -6 / -2 6 ✓ Full exchange observed
09-20 10:16 40m -12 / - OH3MB - / -11 4 Partial capture
09-20 10:10 40m -18 / - YL3AUR - / -15 4 ✓ Closing fragment
09-20 09:03 40m -15 / - EA1AUM - / -6 2 ✓ Closing fragment
09-20 08:59 40m -14 / - PD1LVK -15 / - 2 ✓ Closing observed
09-20 08:56 40m -16 / -3 DF0PDF -1 / - 5 ✓ Full exchange observed
09-20 08:49 40m - / -8 E70SZ -8 / - 3 ✓ Closing fragment
09-20 08:45 40m -13 / -12 HA1ZW -3 / - 5 ✓ Closing observed
09-20 08:40 40m -20 / +1 DF2KD -24 / +9 4 ✓ Full exchange observed
09-20 08:38 40m -9 / - OE2AFX - / -10 3 ✓ Closing fragment
09-19 15:50 40m -8 / +5 DJ5KX -6 / - 5 Partial capture
09-19 15:49 40m -3 / -3 SQ3EWA -17 / -2 5 ✓ Full exchange observed
09-19 15:33 40m -4 / - DJ2MS - / +6 2 Partial capture
09-13 08:57 40m - / -5 F4DIA -19 / - 2 ✓ Closing fragment
09-12 16:55 80m - / -2 DO3SST -17 / - 2 Partial capture
09-12 16:49 80m - / -6 DO8PAT -14 / - 3 ✓ Closing fragment
09-12 16:44 80m -17 / -19 IQ4JO +5 / -8 4 ✓ Full exchange observed
09-12 16:44 80m -16 / -5 OE5DML 0 / 0 6 ✓ Full exchange observed
09-12 16:38 40m -7 / - M8UKQ - / -16 3 ✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

40m
UTC    dB Audio  Message
162700 -12 1199  CQ DM5WH JO40 (x3)
162945 -14 1200  DM5WH M9XPN 73
163100  -8 1199  CQ DM5WH JO40
163330 -10 1198  G7JUR DM5WH -02
163500 -11 1199  CQ DM5WH JO40 (x3)
163615 -19 1199  DM5WH R6ZAJ KN98
163630 -12 1198  DL8QB DM5WH -08
164000 -20 1200  DM5WH R4FDK LO23 (x4)
80m
UTC    dB Audio  Message
164530  +4 2431  DM5WH IQ4JO 73
164615 -16 1503  CQ DM5WH JO40
164630  -7 1503  DM5WH OE5DML JN78
164630 -10  834  DM5WH DO8PAT -08
164645 -14 1502  OE5DML DM5WH +00
164700  -4 1503  DM5WH OE5DML R-05
164715 -18 1503  OE5DML DM5WH RR73
164730  +4 1503  DM5WH OE5DML 73
164745 -24 1502  CQ DM5WH JO40                         a1 (x2)
164930 -16  834  DM5WH DO8PAT -06 (x3)
165530 -19 1502  DM5WH DO3SST JO40 (x2)
20m
UTC    dB Audio  Message
135845 -24 1376  CQ DM5WH JO40                         a1
094930  +1 2750  DM5WH EA7R -03
094945  -7 2750  EA7R DM5WH JO40
095000  +1 2750  DM5WH EA7R +10
095015 -10 2750  EA7R DM5WH R-06
095030  +3 2750  DM5WH EA7R RR73
095045  -5 2750  EA7R DM5WH 73
095230 -12  995  DM5WH EA4IVO -09 (x2)
095400 -17 1403  PA0MUS DM5WH JO40
095415  +4 1402  DM5WH PA0MUS -12 (x3)
101815 -12 1732  TF5B DM5WH JO40 (x2)
10m
UTC    dB Audio  Message
171515 -12 1276  DM5WH DF7EE JO40
171530  -9 1587  DF7EE DM5WH -09
171545 -14 1276  DM5WH DF7EE R-14
171600 -14 1587  DF7EE DM5WH -09
171615 -14 1276  DM5WH DF7EE R-14
171630 -19 1587  DF7EE DM5WH -09
171645 -15 1276  DM5WH DF7EE R-14 (x2)
173115 -23 1587  DM5WH DH5BM JO41 (x6)
183045 -14 1877  CQ DM5WH JO40

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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