DM1SV — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Fed. Rep. of Germany Most frequent locator attributed to this token: JN49

Receiver-side FT8 activity involving DM1SV, decoded by SO8OO in southeastern Poland. 599 FT8 messages attributed to this token as transmitter, on 160m, 80m, 60m, 40m, across 12 UTC dates in the available aggregate history. Observed between 2026-09-21 and 2026-10-02.

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 599 FT8 messages attributed to DM1SV as the transmitting token by decoded message structure across 12 UTC dates in the available aggregate history. The largest monitored-band total was 40 m (46%), followed by 80 m (29%) and 160 m (14%). Most decodes (79%) fell within the six-hour window 16:00-22:00 UTC. Most successfully decoded messages attributed to this token fell in SO8OO's strong S/N range (67%); the estimated median was -6 dB.

Overview

599
Messages attributed
12
UTC dates decoded
90
Active 15-min windows
-6 dB
Estimated median S/N

Bands

160m · 85 80m · 176 60m · 61 40m · 277
First attributed message: 2026-09-21
Last attributed message: 2026-10-02 20:27 UTC

Observed FT8 message patterns

Attributed sample
599 messages
Active dates
12 UTC dates
Estimated median S/N
-6 dB
Estimated 10th-90th percentile
-14 to +2 dB
Recurring-pattern threshold
Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 40, moderate (-15 to -9 dB) 158, strong (≥ -8 dB) 401.

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 DM1SV 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 DM1SV

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
JN49 · 429 decoded messages
SO8OO receiver locator
KN09VW
Locator-centre separation
920 km (approx.)
Last such locator decoded
2026-10-02 20:27 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 UTCBandDM1SV S/NCounterpartCounterpart S/NMsgsCapture
10-02 20:24 160m - / - RU3FM +1 / - 2 Partial capture
10-02 20:22 160m -8 / -4 DL9KM -9 / -25 4 ✓ Full exchange observed
10-02 19:56 60m -9 / - TF1A - / -10 4 ✓ Closing fragment
10-02 19:33 80m -10 / - RW9JZ - / - 2 Partial capture
10-02 19:24 160m -3 / - RA9YTI - / - 7 Partial capture
10-02 19:18 60m -10 / - TF1A - / -12 6 ✓ Closing fragment
10-02 19:11 80m -10 / - R2AL +3 / -10 7 Partial capture
10-02 19:11 80m -8 / - HB9DWR -24 / -21 3 ✓ Closing observed
10-02 19:08 80m -8 / -14 HF5A -3 / -25 5 ✓ Full exchange observed
10-02 19:07 80m -18 / - IK6GTF - / -10 2 ✓ Closing fragment
10-02 19:05 80m -5 / -5 DL9KM -19 / -12 4 Partial capture
10-02 19:04 80m -10 / -3 DO3ME -2 / +8 3 ✓ Full exchange observed
10-02 19:03 80m -4 / - DJ8TX - / -2 2 ✓ Closing fragment
10-02 19:01 80m - / -7 OH3MB -14 / - 3 ✓ Closing fragment
10-02 16:52 40m - / - DL6EL -12 / - 2 ✓ Closing fragment
10-01 20:42 40m +4 / - JP7EIP - / - 8 Partial capture
10-01 20:19 80m -8 / - TT1GD - / - 6 Partial capture
10-01 20:16 80m -10 / - BD8ENU - / - 4 Partial capture
10-01 20:03 60m -7 / - ER5DX - / - 5 Partial capture
10-01 20:02 60m -4 / -6 ER3UA -6 / -4 5 ✓ Full exchange observed
10-01 05:35 60m -8 / - VE3DZ - / -20 4 ✓ Closing fragment
10-01 05:33 60m -9 / - 9Y4M - / -10 3 ✓ Closing fragment
10-01 05:28 60m -10 / -10 ZF1EJ -18 / -4 9 ✓ Full exchange observed
10-01 05:26 60m -10 / - 9Y4M - / - 3 Partial capture
10-01 05:18 60m -7 / - ZF1EJ - / - 2 Partial capture
10-01 05:08 60m -5 / - ZF1EJ - / - 16 Partial capture
09-30 20:04 80m -8 / -14 UY5BF +7 / -7 5 ✓ Full exchange observed
09-30 20:02 80m -9 / - HF100PKP - / +1 3 Partial capture
09-30 19:57 80m - / -7 DG4BRT -1 / - 3 ✓ Closing fragment
09-30 19:53 80m -11 / - DL3XRZ - / -12 2 ✓ Closing fragment
09-30 19:50 80m -6 / -10 IQ4JO +4 / +7 5 ✓ Full exchange observed
09-30 19:47 80m -10 / - DL0RDG -4 / +7 3 ✓ Closing observed
09-30 19:21 160m -7 / - OH0Z - / - 15 Partial capture
09-30 07:51 40m -16 / - TF5B - / - 2 Partial capture
09-29 07:11 40m -6 / - TF5B - / - 2 Partial capture
09-29 07:06 40m -9 / - ON8WR - / -8 3 Partial capture
09-28 21:16 80m -2 / +3 DK4BE -6 / +2 5 ✓ Full exchange observed
09-28 21:16 80m -2 / - DO1OAS -11 / 0 5 ✓ Closing observed
09-28 21:16 80m -4 / - ON4MAP -14 / +5 6 ✓ Closing observed
09-28 21:13 80m -1 / -18 R5AV +4 / -5 4 ✓ Full exchange observed
09-28 21:12 80m -1 / -12 R3ICU -9 / -16 5 ✓ Full exchange observed
09-28 21:06 40m +1 / - OE6OCG - / -12 3 ✓ Closing fragment
09-28 20:56 40m +9 / - ZC4OL - / - 18 Partial capture
09-28 19:11 160m -13 / - 9A6OY -22 / +1 3 ✓ Closing observed
09-28 19:07 40m +3 / -2 M7NFV -10 / -3 4 ✓ Full exchange observed
09-28 18:45 40m -1 / - SP5MIG - / -10 2 ✓ Closing fragment
09-28 18:43 40m 0 / -9 G0RVY -4 / +8 4 ✓ Full exchange observed
09-28 17:23 40m +2 / - OK1FED - / -9 2 ✓ Closing fragment
09-28 17:17 40m 0 / - PD4HT -5 / -2 2 Partial capture
09-28 17:14 40m - / +8 DL4NWM 0 / - 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
075145 -17 1057  TF5B DM1SV JN49 (x2)
204245  +6 1741  JP7EIP DM1SV JN49 (x8)
165230 -11 1601  DM1SV DL6EL JN57 (x2)
165400  +4 1940  DM1SV UA3QNA -11
205515  -9 2027  DM1SV RZ4FWA LO23 (x2)
80m 
UTC    dB Audio  Message
191200  -9 1904  HB9DWR DM1SV RR73
191215  +2 1220  DM1SV R2AL KO85
191215 -24 1949  DM1SV HB9DWR 73
191230 -14 1904  R2AL DM1SV -10
191245  +3 1220  DM1SV R2AL KO85
191300  -9 1903  R2AL DM1SV -13 (x3)
191500  -9 1903  CQ DM1SV JN49 (x3)
193330  -8 1904  RW9JZ DM1SV JN49 (x2)
202700  -6 1005  4L7T DM1SV JN49
202730  -4 1005  JH7RXU DM1SV JN49
160m 
UTC    dB Audio  Message
192415  -8 1902  RA9YTI DM1SV JN49 (x7)
202130  -7 1003  CQ DM1SV JN49
202215  -8 1567  DM1SV DL9KM JN68
202230  -8 1003  DL9KM DM1SV -25
202245 -11 1567  DM1SV DL9KM R-04 (x2)
202330  -6 1003  CQ DM1SV JN49
202445  -1  860  DM1SV RU3FM KO94 (x2)
60m 
UTC    dB Audio  Message
200445  -5 1736  ER5DX DM1SV JN49 (x3)
191830  -9 1934  TF1A DM1SV JN49 (x10)
195815  -5 1935  VJ6X DM1SV JN49 (x2)
10m 
UTC    dB Audio  Message
151215 -14 2218  DM1SV EP2AES -19 (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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