R9FDE — 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: European Russia Most frequent locator attributed to this token: LO88

Receiver-side FT8 activity involving R9FDE, decoded by SO8OO in southeastern Poland. 1,728 FT8 messages attributed to this token as transmitter, on 80m, 40m, 20m, across 84 UTC dates in the available aggregate history. Observed between 2026-06-06 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 1,728 FT8 messages attributed to R9FDE as the transmitting token by decoded message structure across 84 UTC dates in the available aggregate history. The largest monitored-band total was 20 m (77%), followed by 40 m (17%) and 80 m (5%). Most decodes (72%) fell within the six-hour window 12:00-18:00 UTC. Received S/N was mixed across SO8OO's weak, moderate and strong ranges; the estimated median was -11 dB.

Overview

1,728
Messages attributed
84
UTC dates decoded
318
Active 15-min windows
-11 dB
Estimated median S/N

Bands

First attributed message: 2026-06-06
Last attributed message: 2026-10-23 17:55 UTC

Observed FT8 message patterns

Attributed sample
1,728 messages
Active dates
84 UTC dates
Estimated median S/N
-11 dB
Estimated 10th-90th percentile
-19.9 to 0 dB
Recurring-pattern threshold
Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 424, moderate (-15 to -9 dB) 632, strong (≥ -8 dB) 672.

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 R9FDE

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
LO88 · 1,030 decoded messages
SO8OO receiver locator
KN09VW
Locator-centre separation
2,444 km (approx.)
Last such locator decoded
2026-10-23 17:54 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 UTCBandR9FDE S/NCounterpartCounterpart S/NMsgsCapture
10-23 17:54 80m -1 / - UB0SMX/P - / -10 3 ✓ Closing fragment
10-23 17:41 80m - / - UA4NCX -14 / - 2 Partial capture
10-23 17:40 80m -4 / - RA9SBN - / 0 2 ✓ Closing fragment
10-23 17:38 80m -6 / -2 R3KBY -4 / -4 5 ✓ Full exchange observed
10-23 17:32 80m -8 / -12 SP4VIT +2 / -18 5 ✓ Full exchange observed
10-20 17:09 40m -17 / -16 F4JTP -8 / - 3 ✓ Closing observed
10-20 17:07 40m -16 / - SP3T - / - 2 Partial capture
10-18 11:07 10m - / -10 HB9DUQ -7 / - 2 ✓ Closing fragment
10-18 04:05 40m - / -9 OK2FD -10 / - 2 ✓ Closing fragment
10-18 03:26 40m -18 / - PD2ET - / - 2 ✓ Closing fragment
10-18 03:10 40m -12 / -2 SX37VER -11 / -13 2 Partial capture
10-18 02:55 40m - / -10 LZ2CC -10 / - 2 Partial capture
10-18 02:49 40m -5 / -21 EC5M -8 / -12 3 ✓ Full exchange observed
10-18 02:48 40m -11 / - TA2VUZ - / -19 2 Partial capture
10-18 02:45 40m +2 / - 7P8GE - / -17 2 ✓ Closing fragment
10-15 16:15 40m -16 / -9 TA3STR -8 / -14 2 Partial capture
10-15 16:06 40m -12 / -20 OE2CAL +12 / -4 5 ✓ Full exchange observed
10-14 16:23 40m -14 / -20 SQ8AA -6 / -11 3 ✓ Full exchange observed
10-14 16:20 40m - / -7 LZ1INP -7 / - 2 ✓ Closing fragment
10-14 16:10 40m -16 / -5 EU4BE -8 / -7 3 ✓ Full exchange observed
10-13 17:33 40m -16 / - GW7HQL - / -12 2 ✓ Closing fragment
10-13 17:30 40m - / -21 IW5BT -10 / - 2 Partial capture
10-13 17:28 40m -2 / -9 IK2UEC +7 / - 3 ✓ Closing observed
10-13 17:20 40m -11 / -10 EI5HV -8 / -11 5 ✓ Full exchange observed
10-12 15:42 40m -11 / -16 OH3SW -8 / -5 3 ✓ Full exchange observed
10-12 15:32 40m -14 / -17 OE8DSK -3 / -17 12 ✓ Full exchange observed
10-12 15:20 40m - / -2 UA3IDQ -12 / - 2 ✓ Closing fragment
10-11 16:42 40m - / -13 DH6MD -6 / - 2 ✓ Closing fragment
10-10 15:59 40m - / -11 LZ936BA -4 / - 3 Partial capture
10-08 16:17 40m - / -18 ON3URT -12 / - 2 Partial capture
10-08 16:12 40m - / -18 ON3URT -7 / - 5 Partial capture
10-08 16:06 40m -14 / - SQ8AA - / - 2 Partial capture
10-07 16:12 40m - / -10 TM47CDXC -1 / - 2 Partial capture
10-07 16:01 40m - / -16 DB3OI -2 / - 2 Partial capture
10-07 15:58 40m -10 / - SQ9SET - / -10 3 ✓ Closing fragment
10-07 15:52 40m - / -6 R2FL -1 / - 2 ✓ Closing fragment
10-07 15:47 40m - / -13 PD2NBE -18 / - 2 ✓ Closing fragment
10-07 15:40 40m - / -12 DF0NN -14 / - 2 ✓ Closing fragment
10-07 15:34 40m -12 / - G6PWS - / -10 4 ✓ Closing fragment
10-07 15:32 40m -8 / - G8YPE - / - 2 ✓ Closing fragment
10-07 15:30 40m -21 / -15 F6FLU 0 / -8 4 ✓ Full exchange observed
10-06 17:11 40m - / -12 LZ1AAW +2 / - 2 Partial capture
10-06 17:02 40m - / -5 ON6YX +2 / - 2 ✓ Closing fragment
10-06 16:45 40m -17 / - DL2MGH -2 / -12 2 ✓ Closing observed
10-06 16:41 40m -14 / - IT9GMD - / - 2 Partial capture
10-06 16:31 40m - / -7 M1DBB -5 / - 4 ✓ Closing fragment
10-06 16:25 40m - / - F6FHZ -8 / - 6 ✓ Closing fragment
10-06 16:24 40m -8 / +3 DL6MRM -1 / -2 5 ✓ Full exchange observed
10-06 16:12 40m -14 / -14 F4LHL -4 / -12 4 ✓ Full exchange observed
10-06 16:07 40m - / 0 DB2OE +8 / - 2 ✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

80m
UTC    dB Audio  Message
173915  -2 1274  R9FDE R3KBY R-02
173930  -7  931  R3KBY R9FDE RR73
173945  -4 1274  R9FDE R3KBY 73
174000  -5  931  RA9SBN R9FDE R+00 (x2)
174115 -15 1584  R9FDE UA4NCX LO48
174200  -6  931  R6DJR R9FDE 73
174230  -9  931  CQ R9FDE LO88 (x2)
174315 -14 1725  R9FDE UA4NCX LO48
174330  +3  931  RD9FC R9FDE R-02
175245 -11 2405  UN0GY R9FDE 73
175415  +0  396  UB0SMX/P R9FDE LO88 (x3)
40m
UTC    dB Audio  Message
032600 -20 2087  PD2ET R9FDE LO88 (x2)
033730 -13 1058  R9FDE P4/WE9V -13
033900 -24 1968  ER3CT R9FDE R-14
034315 -24 2149  R9FDE RA6OD KN97
035200  -9  743  IU5RPJ R9FDE LO88
040500 -11  290  R9FDE OK2FD -09 (x2)
083630  -4 2372  R9FDE SP9XKV RRR
170730 -13 1350  SP3T R9FDE LO88 (x2)
170945  -7 2310  R9FDE F4JTP -16 (x2)
171030 -17 2311  F4JTP R9FDE 73
171430 -17 1459  UA1WCF R9FDE LO88
10m
UTC    dB Audio  Message
110715  -6 2088  R9FDE HB9DUQ -10 (x2)
20m
UTC    dB Audio  Message
155230  +4 1687  R9FDE G4UJS -13 (x2)
160215 -10  326  G4UJS R9FDE R-08 (x2)
160430 -11  927  G3ZDQ R9FDE LO88 (x2)
160630 -20 1238  UA2FAZ R9FDE R-12
160730 -24 1148  OH1OCA R9FDE -08
161030  +0 1260  R9FDE DL0XD RR73
161330  -7  774  M1AYZ R9FDE LO88 (x2)
162645  -2 1212  SP7EL R9FDE LO88
152200  -4 1298  OE3MZC R9FDE R-10 (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.

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