SM1NJC — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Sweden Most frequent locator attributed to this token: JO97

Receiver-side FT8 activity involving SM1NJC, decoded by SO8OO in southeastern Poland. 468 FT8 messages attributed to this token as transmitter, on 160m, 60m, across 4 UTC dates in the available aggregate history. Observed between 2026-10-03 and 2026-10-06.

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 468 FT8 messages attributed to SM1NJC as the transmitting token by decoded message structure across 4 UTC dates in the available aggregate history. The largest monitored-band total was 60 m (62%), followed by 160 m (38%). Most decodes (90%) fell within the six-hour window 17:00-23:00 UTC. Received S/N was mixed across SO8OO's weak, moderate and strong ranges; the estimated median was -9.5 dB.

Overview

468
Messages attributed
4
UTC dates decoded
57
Active 15-min windows
-9.5 dB
Estimated median S/N

Bands

160m · 180 60m · 288
First attributed message: 2026-10-03
Last attributed message: 2026-10-06 20:54 UTC

Observed FT8 message patterns

Attributed sample
468 messages
Active dates
4 UTC dates
Estimated median S/N
-9.5 dB
Estimated 10th-90th percentile
-16 to 0 dB
Recurring-pattern threshold
Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 48, moderate (-15 to -9 dB) 225, strong (≥ -8 dB) 195.

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 SM1NJC 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 SM1NJC

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
JO97 · 191 decoded messages
SO8OO receiver locator
KN09VW
Locator-centre separation
861 km (approx.)
Last such locator decoded
2026-10-06 20:54 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 UTCBandSM1NJC S/NCounterpartCounterpart S/NMsgsCapture
10-06 20:52 160m -8 / - EA8BS - / - 4 Partial capture
10-06 20:49 160m -8 / -6 UA1ANA -18 / +3 5 ✓ Full exchange observed
10-06 20:47 160m -11 / - R9CS/P - / -9 2 Partial capture
10-06 19:59 160m -2 / - SV3GKU - / - 2 Partial capture
10-06 19:51 160m -2 / - UA9FGJ -15 / -6 6 Partial capture
10-06 19:49 160m +4 / +3 SM5ACQ -10 / -4 6 ✓ Full exchange observed
10-06 19:47 160m +2 / - OK2USM -3 / -19 4 Partial capture
10-06 19:47 160m -4 / -5 PA3DUU -17 / - 4 ✓ Closing observed
10-06 19:45 160m +4 / +10 GM4JYB -18 / -1 4 ✓ Full exchange observed
10-06 19:39 160m - / - RX6DA -20 / - 3 Partial capture
10-06 19:38 160m +2 / - SV3GKU - / - 2 Partial capture
10-06 19:34 160m +7 / - IZ7NLJ - / - 2 Partial capture
10-06 19:23 160m - / - IU1VJP -14 / - 3 Partial capture
10-06 19:22 160m -4 / - SV3GKU - / - 2 Partial capture
10-06 19:18 160m -5 / -15 OE3OOG -8 / -12 5 ✓ Full exchange observed
10-06 19:06 160m -9 / - EA5OH - / - 3 Partial capture
10-06 19:03 160m -12 / -11 RW3VA -20 / - 3 ✓ Closing observed
10-06 19:01 160m -10 / -4 EW4M +17 / -7 5 ✓ Full exchange observed
10-06 17:10 160m -12 / -5 OM3SX +1 / -10 17 ✓ Full exchange observed
10-05 20:48 60m -18 / -11 ON8WR -16 / -8 4 ✓ Full exchange observed
10-05 20:47 60m -15 / -5 G7RTI -3 / -8 6 ✓ Full exchange observed
10-05 20:44 60m - / -8 DH4PAP +2 / - 3 ✓ Closing fragment
10-05 20:41 60m -17 / - IW9FRA - / -2 2 Partial capture
10-05 20:35 60m -18 / - IU1HGN -8 / -12 3 Partial capture
10-05 20:34 60m -13 / +8 DM5KK -8 / - 5 ✓ Closing observed
10-05 20:33 60m - / -9 DC6GF -8 / - 3 ✓ Closing fragment
10-05 20:32 60m - / -14 IK5ZPV -8 / - 4 ✓ Closing fragment
10-05 20:32 60m - / -12 IW2CAK +11 / - 3 ✓ Closing fragment
10-05 20:29 60m -17 / -22 DL1TJ -18 / -12 7 ✓ Full exchange observed
10-05 20:28 60m -14 / -14 EA1MX -14 / -1 4 ✓ Full exchange observed
10-05 20:27 60m -9 / -2 EI2KM -6 / +9 5 ✓ Full exchange observed
10-05 19:59 60m -5 / - SP1TB - / -18 2 ✓ Closing fragment
10-05 19:58 60m -6 / -14 ON8DM -11 / +3 5 ✓ Full exchange observed
10-05 19:54 60m -8 / - GM3CQD -10 / -4 5 ✓ Closing observed
10-05 19:51 60m -11 / -20 PA7FB -22 / - 3 ✓ Closing observed
10-05 19:47 60m -7 / - OM3PR -12 / -10 6 ✓ Closing observed
10-05 19:46 60m - / - IW2CAK -6 / - 3 Partial capture
10-05 19:45 60m -9 / - SQ8AA - / -24 6 ✓ Closing fragment
10-05 19:44 60m -10 / - SP5JMA - / +5 3 ✓ Closing fragment
10-05 19:43 60m -10 / -11 DG4BZ +8 / +5 12 ✓ Full exchange observed
10-05 19:42 60m -8 / -13 DK4RH -10 / -11 5 ✓ Full exchange observed
10-05 19:37 60m -10 / - SN5WD - / -17 2 ✓ Closing fragment
10-05 19:36 60m -10 / -10 LA6OCA -11 / -3 4 ✓ Full exchange observed
10-05 19:33 60m -12 / - HA8BE - / - 3 ✓ Closing fragment
10-05 19:31 60m -11 / - EA3RT - / -11 2 ✓ Closing fragment
10-05 19:30 60m -10 / - DJ6OI/P -16 / +1 4 ✓ Closing observed
10-05 19:27 60m -11 / +2 GI4SNA +2 / - 4 ✓ Full exchange observed
10-05 19:26 60m -11 / -5 ON4MDW -16 / 0 5 ✓ Full exchange observed
10-05 19:23 60m -10 / -13 EW2RA -12 / +3 5 ✓ Full exchange observed
10-05 19:20 60m -10 / -8 DL5JMN +8 / +2 6 ✓ Full exchange observed

Recent FT8 messages decoded at SO8OO

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

160m 
UTC    dB Audio  Message
195215  -4  640  UA9FGJ SM1NJC -08
195945  -3  640  SV3GKU SM1NJC JO97 (x2)
204730 -14 1100  R9CS/P SM1NJC JO97
204745  +3 1496  SM1NJC EO210WLP -10
204800  -8 1100  R9CS/P SM1NJC R-09
204900 -11 1100  UA1ANA SM1NJC JO97
204915 -20 1206  SM1NJC UA1ANA -06
204930  -7 1100  UA1ANA SM1NJC R+03
204945 -16 1206  SM1NJC UA1ANA RR73
205000  -6 1100  UA1ANA SM1NJC 73
205200 -16 1097  EA8BS SM1NJC JO97 (x4)
60m 
UTC    dB Audio  Message
204545  +4  607  SM1NJC DH4PAP 73
204630 -15 2084  CQ SM1NJC JO97                        a1 (x2)
204715  -6  342  SM1NJC G7RTI IO91
204730 -19 2084  CQ SM1NJC JO97                        a1
204745  +0  342  SM1NJC G7RTI IO91
204800 -18 2084  G7RTI SM1NJC -08
204815  -5  342  SM1NJC G7RTI R-05
204830 -12 2084  G7RTI SM1NJC RR73
204845 -16 1973  SM1NJC ON8WR JO21
204845  -2  342  SM1NJC G7RTI 73
204900 -18 2084  ON8WR SM1NJC -08
204915 -17 1973  SM1NJC ON8WR R-11
204930 -17 2084  ON8WR SM1NJC RR73
211200 -16 1990  CQ SM1NJC JO97

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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