DC1SN — 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: JN48

Receiver-side FT8 activity involving DC1SN, decoded by SO8OO in southeastern Poland. 1,325 FT8 messages attributed to this token as transmitter, on 80m, 40m, 20m, 10m, across 31 UTC dates in the available aggregate history. Observed between 2026-06-08 and 2026-10-23.

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 1,325 FT8 messages attributed to DC1SN as the transmitting token by decoded message structure across 31 UTC dates in the available aggregate history. The largest monitored-band total was 40 m (81%), followed by 10 m (10%) and 20 m (7%). The busiest six-hour window was 09:00-15:00 UTC, containing 47% of decodes. Received S/N was mixed across SO8OO's weak, moderate and strong ranges; the estimated median was -11.4 dB.

Overview

1,325
Messages attributed
31
UTC dates decoded
175
Active 15-min windows
-11.4 dB
Estimated median S/N

Bands

First attributed message: 2026-06-08
Last attributed message: 2026-10-23 12:26 UTC

Observed FT8 message patterns

Attributed sample
1,325 messages
Active dates
31 UTC dates
Estimated median S/N
-11.4 dB
Estimated 10th-90th percentile
-19.2 to -2 dB
Recurring-pattern threshold
Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 348, moderate (-15 to -9 dB) 528, strong (≥ -8 dB) 449.

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 DC1SN

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
JN48 · 833 decoded messages
SO8OO receiver locator
KN09VW
Locator-centre separation
941 km (approx.)
Last such locator decoded
2026-10-23 12:18 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 UTCBandDC1SN S/NCounterpartCounterpart S/NMsgsCapture
10-23 12:16 40m -14 / -18 R6ZL -16 / -24 22 ✓ Full exchange observed
10-23 12:14 40m -13 / - IZ8XXE - / -6 2 Partial capture
10-23 12:00 40m -14 / - DL2FM -22 / -5 4 ✓ Closing observed
10-23 11:58 40m -16 / - 9A7BB -19 / +3 3 ✓ Closing observed
10-23 11:51 40m -18 / - PA2WDR - / -5 3 ✓ Closing fragment
10-23 09:07 40m -14 / - DL1DVE - / - 2 Partial capture
10-23 09:06 40m -15 / 0 DM8MH -7 / -4 3 ✓ Full exchange observed
10-23 09:04 40m -10 / - HB9XBY - / -4 2 Partial capture
10-23 09:02 40m -11 / - DG4IT - / - 3 Partial capture
10-22 21:36 40m - / - EA3ENB -8 / - 4 Partial capture
10-22 14:04 40m -16 / - G6MTI - / -10 2 ✓ Closing fragment
10-22 14:00 40m -8 / - G6MTI - / -10 2 ✓ Closing fragment
10-22 13:57 40m -3 / +5 DL1NRC -13 / -2 5 ✓ Full exchange observed
10-22 13:54 40m -4 / - SM7HPK -15 / -18 5 ✓ Closing observed
10-22 13:51 40m 0 / -6 DG4NEC -7 / -5 7 ✓ Full exchange observed
10-22 13:48 40m -9 / -15 IU8AYY -19 / -9 3 ✓ Full exchange observed
10-22 13:44 40m -4 / - PA3ESZ - / -13 2 ✓ Closing fragment
10-22 13:43 40m -5 / - IZ3NUI - / -13 2 ✓ Closing fragment
10-22 13:40 40m 0 / +3 OM7OM -10 / -14 4 ✓ Full exchange observed
10-22 13:35 40m -4 / -2 IZ3ZOW -20 / -2 3 ✓ Full exchange observed
10-22 13:32 40m -5 / - DL1ANH - / -20 4 ✓ Closing fragment
10-22 13:24 40m -4 / -1 DM5KN -15 / -7 10 ✓ Full exchange observed
10-22 13:12 40m -2 / - DK1TS - / -5 2 ✓ Closing fragment
10-22 13:06 40m -14 / - HA1DCQ -9 / -7 3 ✓ Closing observed
10-22 12:55 40m -8 / - ON3SWS - / -14 3 ✓ Closing fragment
10-22 12:53 40m - / -11 SP6AMI -8 / - 2 ✓ Closing fragment
10-22 09:33 40m -7 / - DB2HA +9 / +2 6 Partial capture
10-22 09:30 40m -14 / - IK8OAM - / -9 2 ✓ Closing fragment
10-22 09:15 40m -10 / - HB9ZHK - / -11 12 Partial capture
10-22 09:14 40m -13 / - DB2HA +4 / +2 11 Partial capture
10-22 09:02 40m -13 / - F4NKT - / -16 3 ✓ Closing fragment
10-22 09:00 40m -19 / -6 PA7ZZ -6 / - 4 ✓ Closing observed
10-22 08:54 40m -17 / - EA2EED - / -16 7 ✓ Closing fragment
10-22 08:52 40m -12 / - ON3MOH -18 / -7 3 ✓ Closing observed
10-22 08:40 40m -15 / -2 GJ0KYZ -18 / -1 4 ✓ Full exchange observed
10-22 08:34 40m -10 / -4 OK2CNI -4 / +2 8 ✓ Full exchange observed
10-22 08:33 40m -16 / - HB9ITZ/P - / 0 2 ✓ Closing fragment
10-22 08:26 40m -10 / - M0ICR - / -15 2 ✓ Closing fragment
10-22 08:17 40m -9 / - M9WRL - / -13 3 ✓ Closing fragment
10-22 08:07 40m -4 / - SP6SOZ - / -2 2 ✓ Closing fragment
10-22 08:06 40m 0 / - F4BJN - / -11 2 ✓ Closing fragment
10-22 08:04 40m -10 / - HA6WT -16 / -12 3 ✓ Closing observed
10-22 08:00 40m -4 / - EB2EMZ - / -14 2 ✓ Closing fragment
10-22 07:58 40m -2 / - MM7CEH - / -11 2 ✓ Closing fragment
10-22 07:56 40m +1 / - OM8BCD - / -14 2 ✓ Closing fragment
10-22 07:55 40m - / - IU8RFW -8 / - 2 Partial capture
10-22 07:50 40m -1 / - SP7TF - / -10 2 ✓ Closing fragment
10-22 07:41 40m -5 / - P4/WE9V - / - 16 Partial capture
10-22 06:52 40m -8 / - P4/WE9V - / -3 2 Partial capture
10-22 06:43 40m -1 / - W2ARX - / - 11 Partial capture

Recent FT8 messages decoded at SO8OO

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

40m
UTC    dB Audio  Message
121945 -15 1521  R6ZL DC1SN R-24 (x2)
122100 -17 2121  DC1SN R6ZL RR73
122115 -12 1519  R6ZL DC1SN R-24 (x12)
80m
UTC    dB Audio  Message
060830 -18 1034  DC1SN DL3MIB 73
060915 -24 1279  DJ2PW DC1SN R-03
060930 -24 1580  DC1SN DO5SB -02
060945 -16 1280  DJ2PW DC1SN 73
061000 -21 1580  DC1SN DO5SB -02
061015 -19 1283  <SQ100PKP> DC1SN JN48
061030 -24 1580  DC1SN DO5SB -02 (x2)
061130  +0 1988  DC1SN RR73; ON8PR <...> -10
061130 -24 1580  DC1SN DO5SB -02
061215 -20 1306  SP5DFK/QRP DC1SN JN48
061230 -11 1862  DC1SN SN40KZE -07
061245 -18 1310  R9CS/P DC1SN R-05
061415 -17 1318  F5RMK DC1SN JN48 (x2)
10m
UTC    dB Audio  Message
075915 -10 1126  DC1SN DL3MIB JN57
080100 -16 1436  DJ7TO DC1SN R-05 (x2)
080145 -13 1431  DC1SN LZ2VQ KN23 (x3)
080315 -23 1407  <...> DC1SN JN48
080330  -5 2306  DC1SN YO1BRANCUSI -03
080400 +13 2306  DC1SN RR73; SP3TD <...> +08
084430 -12 2318  DC1SN LZ1BT KN12 (x5)
095245 -13  933  DC1SN CT3MD -11
20m
UTC    dB Audio  Message
100530 -17 1392  TA3NK DC1SN JN48 (x7)
101930 -20 1387  CS8ABF DC1SN JN48 (x8)

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

FT8DB and SO8OO WebSDR are a hobby project maintained solo. ☕ Buy me a coffee