RA9SJG — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Asiatic Russia Most frequent locator attributed to this token: LO63

Receiver-side FT8 activity involving RA9SJG, decoded by SO8OO in southeastern Poland. 1,560 FT8 messages attributed to this token as transmitter, on 80m, 40m, 20m, 10m, across 22 UTC dates in the available aggregate history. Observed between 2026-06-06 and 2026-09-04.

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 1,560 FT8 messages attributed to RA9SJG as the transmitting token by decoded message structure across 22 UTC dates in the available aggregate history. The largest monitored-band total was 20 m (41%), followed by 40 m (32%) and 80 m (28%). Most decodes (86%) fell within the six-hour window 16:00-22:00 UTC. Received S/N was mixed across SO8OO's weak, moderate and strong ranges; the estimated median was -9 dB.

Overview

1,560
Messages attributed
22
UTC dates decoded
142
Active 15-min windows
-9 dB
Estimated median S/N

Bands

First attributed message: 2026-06-06
Last attributed message: 2026-09-04 17:46 UTC

Observed FT8 message patterns

Attributed sample
1,560 messages
Active dates
22 UTC dates
Estimated median S/N
-9 dB
Estimated 10th-90th percentile
-17 to 0 dB
Recurring-pattern threshold
Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 222, moderate (-15 to -9 dB) 647, strong (≥ -8 dB) 691.

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 RA9SJG

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
LO63 · 811 decoded messages
SO8OO receiver locator
KN09VW
Locator-centre separation
2,168 km (approx.)
Last such locator decoded
2026-09-04 17:45 UTC

Other locator fields attributed to this token: LO02 (1).

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 UTCBandRA9SJG S/NCounterpartCounterpart S/NMsgsCapture
09-06 18:01 160m - / -20 RA6ATZ -12 / - 4 ✓ Closing fragment
09-06 18:00 160m - / -6 RC9WC -23 / - 2 ✓ Closing fragment
09-06 17:57 160m - / -6 RW2Z -22 / - 2 ✓ Closing fragment
09-06 17:21 160m - / -18 RT2P -9 / - 3 ✓ Closing fragment
09-06 17:09 160m - / -8 RM5F -13 / - 3 ✓ Closing fragment
09-06 17:06 160m - / -18 R2ATY -22 / - 2 Partial capture
09-04 17:46 40m -5 / - DL1EDR +3 / -13 5 ✓ Full exchange observed
09-04 17:40 40m -7 / - EB3JT - / - 6 ✓ Closing fragment
09-04 17:34 40m -8 / - R4CR - / -7 2 ✓ Closing fragment
09-04 17:31 40m -5 / -20 DK8QH -6 / -17 4 ✓ Full exchange observed
09-04 17:28 40m -3 / - OZ4MK 0 / -12 6 ✓ Closing observed
09-04 17:24 40m -6 / - DC9GT - / -19 2 ✓ Closing fragment
09-01 15:43 40m -16 / - YC2BUZ - / -16 2 ✓ Closing fragment
09-01 15:42 40m - / -18 YT1T -10 / - 4 Partial capture
08-28 16:49 10m - / +2 CT3MD -12 / - 2 ✓ Closing fragment
08-23 17:56 40m -3 / -13 UA6AFE +5 / -8 5 ✓ Full exchange observed
08-23 17:50 40m -7 / -22 M7LBT -15 / -13 4 ✓ Full exchange observed
08-23 17:21 40m -4 / -7 SV9FBT -8 / -6 4 ✓ Full exchange observed
08-23 17:16 40m -8 / -19 UB6ZDJ -1 / - 4 ✓ Closing observed
08-23 17:15 40m -8 / -5 R9YAW -4 / - 3 ✓ Closing observed
08-23 17:11 40m -8 / -17 UA3WG +3 / -5 6 ✓ Full exchange observed
08-23 17:10 40m -6 / +5 RW6B -12 / -3 5 ✓ Full exchange observed
08-23 17:08 40m -6 / +2 RO3ZR 0 / +1 4 ✓ Full exchange observed
08-23 16:33 20m -4 / - UB0SMX/P - / -14 7 Partial capture
08-23 16:21 20m -11 / - UA1WA - / -12 2 ✓ Closing fragment
08-23 15:33 20m -10 / - UA0LQE - / -6 2 ✓ Closing fragment
08-23 14:56 20m -13 / - BA4SGR - / -15 4 Partial capture
08-23 14:48 20m -8 / - R6ADH -8 / -1 4 ✓ Full exchange observed
08-23 14:46 20m -7 / - M7FCX - / -18 3 ✓ Closing fragment
08-23 11:46 20m - / -5 RZ6AOJ -2 / - 2 ✓ Closing fragment
08-23 11:33 20m - / -23 9A3K +20 / - 8 ✓ Closing fragment
08-21 18:21 40m - / - OK2MAX 0 / - 2 Partial capture
08-21 18:20 40m -6 / -12 IN3IZQ -11 / -16 5 ✓ Full exchange observed
08-21 18:13 40m - / -8 IK5ZPV -5 / - 2 ✓ Closing fragment
08-21 18:11 40m - / -13 F4VTR +1 / - 3 ✓ Closing fragment
08-21 18:04 40m -4 / - EU1AFX -18 / - 6 ✓ Closing observed
08-21 18:00 40m -4 / -13 F4JZX -11 / -15 7 ✓ Full exchange observed
08-21 17:59 40m -1 / - RA4CEH - / -13 3 ✓ Closing fragment
08-21 17:56 40m -1 / - R3PLN/P - / -7 5 ✓ Closing fragment
08-21 17:40 40m - / -13 SP9CVY -11 / - 4 ✓ Closing fragment
08-21 17:37 40m - / -10 R3DMS -4 / - 8 ✓ Closing fragment
08-21 17:36 40m - / -10 UI6O -10 / - 8 ✓ Closing fragment
08-21 17:28 40m -6 / -10 R9FAK -14 / +3 3 ✓ Full exchange observed
08-21 17:27 40m -7 / +2 R3KMI -16 / -9 4 ✓ Full exchange observed
08-21 17:25 40m -8 / - R9FAK - / - 2 Partial capture
08-21 17:05 40m - / 0 R2DGN -10 / - 5 ✓ Closing fragment
08-19 18:09 80m -15 / -18 R7NY -12 / -11 4 ✓ Full exchange observed
08-19 18:06 80m -12 / - R4SCB -22 / -10 3 ✓ Closing observed
08-19 18:03 80m -16 / -16 OH4JFN -19 / -8 5 ✓ Full exchange observed
08-19 18:03 80m - / - RU4HU -8 / - 2 Partial capture

Recent FT8 messages decoded at SO8OO

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

160m
UTC    dB Audio  Message
170915 -12  846  RA9SJG RM5F KO85 (x3)
171715 -15 2452  RA9SJG OH5KNL -14
172115  -8  304  RA9SJG RT2P -18 (x3)
175700 -19 1886  RA9SJG RW2Z R-06 (x2)
180000 -24 1588  RA9SJG RC9WC -06 (x2)
180100 -12 2079  RA9SJG RA6ATZ KN96 (x4)
40m
UTC    dB Audio  Message
174115 -10 2296  EB3JT RA9SJG RR73 (x5)
174345  -4 2296  UA0LQE RA9SJG -13
174415  -4 2296  CQ RA9SJG LO63 (x4)
174600  -1 2296  RA9SJG DL1EDR JO41
174615  -6 2296  DL1EDR RA9SJG -13
174630  +5 2296  RA9SJG DL1EDR R+12
174645  -4 2296  DL1EDR RA9SJG RR73
174700  +4 2296  RA9SJG DL1EDR 73
10m
UTC    dB Audio  Message
071430  -3 2535  RA9SJG RZ6LY -03
071830 -12 2361  RA9SJG UA3DPM 73
072100 -15 2429  RA9SJG R3BDQ +11 (x2)
072330  -1 2535  RA9SJG RZ6LY -07
072930  -8  426  RA9SJG F5LSU JN19
161715 -12 2196  RA9SJG UB3BCT KO85
181145 -16 2196  RA9SJG SN4K KO03 (x2)
181445  -2  396  RA9SJG R3LC KO64 (x3)
184945 -16 2199  RA9SJG UB3BCT R+03
164945 -15 1294  RA9SJG CT3MD R+02 (x2)
20m
UTC    dB Audio  Message
162145 -14 2570  UA1WA RA9SJG RR73
163315  +2 2569  CQ RA9SJG LO63                        a1
163345  +2 2569  UB0SMX/P RA9SJG LO63 (x7)
164945 -18 2616  CQ RA9SJG LO63 (x2)
165145 -10 2616  SP5SE RA9SJG RR73
165615  -3 2616  CQ RA9SJG LO63 (x2)
165815  -4 2616  TA2TDW RA9SJG RR73
80m
UTC    dB Audio  Message
180400 -16 2015  OH4JFN RA9SJG -08
180415 -13 1495  RA9SJG RU4HU LO43
180415 -20 2014  RA9SJG OH4JFN R-16
180430 -16 2016  OH4JFN RA9SJG RR73
180445 -24 2014  RA9SJG OH4JFN 73
180630 -13 2015  R4SCB RA9SJG -10 (x2)
180715 -22 1478  RA9SJG R4SCB 73
180800 -15 2015  CQ RA9SJG LO63 (x3)
180930 -14 2015  R7NY RA9SJG -11
180945 -15 2220  RA9SJG R7NY R-18
181000 -16 2015  R7NY RA9SJG RR73
181015  -8 2220  RA9SJG R7NY 73

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.

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