R7DX — 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: KN84

Receiver-side FT8 activity involving R7DX, decoded by SO8OO in southeastern Poland. 17,518 FT8 messages attributed to this token as transmitter, on 160m, 80m, 40m, 20m, 10m, across 139 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 17,518 FT8 messages attributed to R7DX as the transmitting token by decoded message structure across 139 UTC dates in the available aggregate history. The largest monitored-band total was 40 m (45%), followed by 20 m (21%) and 80 m (18%). Most decodes (60%) fell within the six-hour window 13:00-19:00 UTC. Most successfully decoded messages attributed to this token fell in SO8OO's strong S/N range (68%); the estimated median was -3 dB.

Overview

17,518
Messages attributed
139
UTC dates decoded
1,935
Active 15-min windows
-3 dB
Estimated median S/N

Bands

First attributed message: 2026-06-06
Last attributed message: 2026-10-23 16:28 UTC

Observed FT8 message patterns

Attributed sample
17,518 messages
Active dates
139 UTC dates
Estimated median S/N
-3 dB
Estimated 10th-90th percentile
-16 to +11 dB
Recurring-pattern threshold
Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 1,926, moderate (-15 to -9 dB) 3,636, strong (≥ -8 dB) 11,956.

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 R7DX

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
KN84 · 11,517 decoded messages
SO8OO receiver locator
KN09VW
Locator-centre separation
1,295 km (approx.)
Last such locator decoded
2026-10-23 16:28 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 UTCBandR7DX S/NCounterpartCounterpart S/NMsgsCapture
10-23 15:57 80m +16 / - R1QF/P - / - 3 Partial capture
10-23 15:50 80m +20 / - 4O4A - / - 10 Partial capture
10-23 15:48 80m +17 / - RU6LC - / -10 3 ✓ Closing fragment
10-23 04:44 40m +7 / - SP/DG1HVL/P - / -12 4 Partial capture
10-23 04:40 80m -3 / -2 DL2KBX -2 / -19 5 ✓ Full exchange observed
10-23 04:09 80m +3 / - TA1MB -16 / -9 4 ✓ Closing observed
10-23 04:06 80m +4 / - F4PAN +2 / -11 5 ✓ Closing observed
10-23 04:04 80m +2 / - EA5JK - / - 4 Partial capture
10-23 03:59 40m +10 / - UA3WG - / -7 2 ✓ Closing fragment
10-23 03:58 40m - / -18 RA6MQ -4 / - 2 Partial capture
10-23 03:54 40m +10 / - WX2CX - / -18 4 ✓ Closing fragment
10-23 03:51 40m +6 / - E73Y - / - 2 Partial capture
10-23 03:48 80m - / +4 ON1JP -24 / - 2 Partial capture
10-23 03:46 80m +8 / - F5OWT -7 / -13 3 ✓ Closing observed
10-23 03:42 80m +8 / -2 YT3BL +7 / -14 6 ✓ Full exchange observed
10-23 03:41 80m +8 / - HA5UK +14 / -8 4 ✓ Full exchange observed
10-23 03:40 80m +11 / - SV1ENG -16 / -6 5 ✓ Full exchange observed
10-23 03:37 80m +11 / - TA5DOB - / -17 5 ✓ Closing fragment
10-23 03:35 80m - / - ON4MAP -12 / - 4 Partial capture
10-23 03:34 80m - / - SV1ENG -4 / - 5 Partial capture
10-23 03:34 80m +7 / +7 IU0UYY -9 / -19 5 ✓ Full exchange observed
10-23 03:31 80m +11 / - DB100FT - / -8 4 Partial capture
10-23 03:17 40m +14 / - K6VHF - / - 2 Partial capture
10-23 03:16 40m +12 / - N4BWW - / - 2 Partial capture
10-23 03:10 80m +12 / - YO3CWC 0 / - 7 Partial capture
10-23 03:07 80m - / - R4FDK -5 / - 3 Partial capture
10-23 03:05 80m - / - SV1ENG -4 / - 4 Partial capture
10-23 03:04 80m +13 / 0 IK5CHL +6 / -3 6 ✓ Full exchange observed
10-22 18:08 80m - / - DO5AX -9 / - 3 Partial capture
10-22 17:59 80m +1 / - YO9GSB -19 / -2 5 ✓ Full exchange observed
10-22 17:51 160m -6 / +1 SV2HNC -4 / -8 4 ✓ Full exchange observed
10-22 17:44 160m -7 / -12 RJ3DC -12 / - 4 ✓ Closing observed
10-22 17:42 160m -13 / - UA3QIN - / -21 3 ✓ Closing fragment
10-22 17:41 160m -16 / - EA6ET - / - 2 Partial capture
10-22 17:39 160m -15 / -9 RO3ZW -14 / - 3 ✓ Closing observed
10-22 17:33 80m 0 / - PA3ARI +6 / -20 5 ✓ Closing observed
10-22 17:31 80m -6 / - PA4GDR +2 / -14 5 ✓ Closing observed
10-22 17:28 80m -2 / +1 ON4MGV -5 / -19 4 Partial capture
10-22 17:26 80m -3 / 0 OH3NAQ 0 / -14 10 ✓ Full exchange observed
10-22 17:21 80m 0 / 0 SP3RBQ 0 / -10 10 Partial capture
10-22 17:19 80m +5 / - DO1TLP - / -18 3 ✓ Closing fragment
10-22 17:17 80m +2 / - SP3RNP - / - 2 Partial capture
10-22 17:15 80m +5 / -7 DO6AZ -1 / -13 4 Partial capture
10-22 17:07 160m -9 / - EX7DY - / -23 5 ✓ Closing fragment
10-22 17:06 160m -13 / - R6TJ - / -13 3 ✓ Closing fragment
10-22 17:03 160m -12 / - DF2UU - / - 2 Partial capture
10-22 16:53 80m +6 / - RZ6ALZ -13 / +3 3 ✓ Closing observed
10-22 16:50 80m +2 / -5 DL1JEL +4 / -21 5 ✓ Full exchange observed
10-22 16:47 80m +3 / +5 OE1KRQ/P +7 / -14 9 ✓ Full exchange observed
10-22 16:42 80m +2 / 0 S59A +10 / -8 4 ✓ Full exchange observed

Recent FT8 messages decoded at SO8OO

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

40m
UTC    dB Audio  Message
035645 +10 1856  CQ R7DX KN84 (x3)
035800  -4 2074  R7DX RA6MQ -18
035815  +8 1856  CQ R7DX KN84
035830  -5 2074  R7DX RA6MQ -18
035845 +10 1856  CQ R7DX KN84
035915  +9 1856  UA3WG R7DX -07 (x2)
044445  +1 1212  SP/DG1HVL/P R7DX KN84 (x2)
044530 -16 1904  R7DX UA3PAB/QRP +16
044545 +11 1212  SP/DG1HVL/P R7DX KN84 (x2)
162815 +20 2854  Z68QQ R7DX KN84
80m
UTC    dB Audio  Message
154845 +16 2817  RU6LC R7DX R-10 (x2)
155030 +17 2817  4O4A R7DX KN84 (x10)
155700 +21 2817  R1QF/P R7DX KN84 (x3)
160m
UTC    dB Audio  Message
174130 -14 1173  EA6ET R7DX KN84 (x2)
174230 -17 1174  UA3QIN R7DX KN84 (x3)
174400 -12 1173  CQ R7DX KN84
174415 -12 1452  R7DX RJ3DC KO95 (x2)
174500  -7 1173  RJ3DC R7DX RR73
174515 -12 1452  R7DX RJ3DC 73
174800  -9 1173  UB3DRL R7DX R-25
175145  -6 1818  R7DX SV2HNC +01
175200  -9 1173  SV2HNC R7DX R-08
175215  -3 1818  R7DX SV2HNC RR73
175230  -4 1173  SV2HNC R7DX 73
20m
UTC    dB Audio  Message
070430  -6 1525  RC3DN R7DX KN84 (x6)
053115 -19 1048  RZ3EM R7DX KN84 (x2)
051415 -18 1375  R9SS R7DX KN84
111015  -8  464  R7DX IK4LZH JN54 (x3)
123245 -24 1642  VA3SF R7DX 73
123315 -24 1642  VE2WX R7DX KN84
124600 -22 1643  NZ3M R7DX KN84
10m
UTC    dB Audio  Message
081000 -13 1201  BD7MTJ R7DX R-19 (x2)
081100 -11 1202  OD5ET R7DX KN84 (x4)
084945  -9 1201  <...> R7DX KN84 (x2)
085115 -12 1201  ZA/IK3BNO R7DX KN84 (x2)
141845 -20 1480  WD5N R7DX KN84
073130 -20 1737  VJ6X R7DX KN84 (x4)

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

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