RK7D — 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: KN95

Receiver-side FT8 activity involving RK7D, decoded by SO8OO in southeastern Poland. 455 FT8 messages attributed to this token as transmitter, on 160m, 80m, 40m, 20m, across 19 UTC dates in the available aggregate history. Observed between 2026-07-31 and 2026-10-17.

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 455 FT8 messages attributed to RK7D as the transmitting token by decoded message structure across 19 UTC dates in the available aggregate history. The largest monitored-band total was 40 m (49%), followed by 80 m (28%) and 20 m (23%). Several six-hour UTC windows tied for the largest share (100%), so no unique busiest interval is claimed. Most successfully decoded messages attributed to this token fell in SO8OO's strong S/N range (99%); the estimated median was +4 dB.

Overview

455
Messages attributed
19
UTC dates decoded
43
Active 15-min windows
+4 dB
Estimated median S/N

Bands

First attributed message: 2026-07-31
Last attributed message: 2026-10-17 21:54 UTC

Observed FT8 message patterns

Attributed sample
455 messages
Active dates
19 UTC dates
Estimated median S/N
+4 dB
Estimated 10th-90th percentile
-4 to +11 dB
Recurring-pattern threshold
Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 0, moderate (-15 to -9 dB) 6, 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 RK7D

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
KN95 · 266 decoded messages
SO8OO receiver locator
KN09VW
Locator-centre separation
1,375 km (approx.)
Last such locator decoded
2026-10-17 21:54 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 UTCBandRK7D S/NCounterpartCounterpart S/NMsgsCapture
10-10 21:45 80m +4 / -5 SP1MGM -6 / - 3 ✓ Closing observed
10-10 21:45 80m +9 / 0 YO3GNF -17 / -7 6 ✓ Full exchange observed
09-24 20:43 80m +6 / -1 UD7G -1 / +3 3 ✓ Full exchange observed
09-24 20:42 80m +10 / - R3LDK +2 / +3 5 ✓ Full exchange observed
09-24 20:39 80m +9 / - UA4CKN - / +2 2 ✓ Closing fragment
09-24 20:39 80m +12 / +3 R5AV +4 / -14 4 ✓ Full exchange observed
09-24 20:37 80m +14 / - RI1FJZ - / -15 4 ✓ Closing fragment
09-24 20:32 80m +13 / +3 UC6D +12 / -5 4 ✓ Full exchange observed
09-24 20:32 80m +14 / - RA6OY -6 / - 6 ✓ Closing observed
09-24 20:29 80m +12 / - RI1FJZ - / -11 2 Partial capture
09-24 20:25 80m +15 / -9 9A2AA -3 / -11 4 ✓ Full exchange observed
09-24 19:55 40m +4 / +7 PI4TX -16 / -15 5 ✓ Full exchange observed
09-24 19:54 40m +4 / - YO4LUP - / 0 2 ✓ Closing fragment
09-23 21:38 80m 0 / - DO5HB -7 / -12 3 Partial capture
09-23 21:34 80m +1 / - RI1FJZ - / -11 2 Partial capture
09-23 21:28 80m - / - IW1BCW -4 / - 3 Partial capture
09-23 21:21 80m +10 / - SV1DZB -10 / -5 4 ✓ Closing observed
09-23 21:20 80m +6 / - RI1FJZ - / -12 12 Partial capture
09-23 21:17 40m +3 / - BG4OOO - / -25 2 ✓ Closing fragment
09-23 21:16 40m +4 / - F6FDY - / -12 2 ✓ Closing fragment
09-23 20:53 40m 0 / +1 RD3FY -6 / -1 5 ✓ Full exchange observed
09-23 20:48 40m 0 / - BA8BLK - / -14 3 ✓ Closing fragment
09-22 21:46 40m +3 / - SP9DPI - / -14 2 ✓ Closing fragment
09-22 21:43 40m +3 / - RI1FJZ - / -5 3 Partial capture
09-22 21:41 40m +6 / 0 F1PBZ -2 / -5 4 ✓ Full exchange observed
09-22 21:40 40m +3 / - RV3SBS - / -6 2 ✓ Closing fragment
09-19 18:39 40m - / +6 UA4FEN -10 / - 3 Partial capture
09-18 21:39 80m +4 / - RW5CW - / - 2 Partial capture
09-18 21:38 80m +3 / +8 R5VDJ -12 / +1 3 ✓ Full exchange observed
09-18 21:36 80m +9 / - UA6JQ -12 / - 2 ✓ Closing observed
09-18 21:35 80m +6 / -8 OK1UOZ +17 / -10 7 ✓ Full exchange observed
09-14 20:58 80m - / -15 F1PBZ +3 / - 4 Partial capture
09-14 20:52 40m +5 / - IZ8PPI - / -7 2 ✓ Closing fragment
09-14 20:52 40m +6 / 0 R5BM +2 / -6 7 ✓ Full exchange observed
09-14 20:50 40m +6 / -3 ON4ASV +16 / -10 5 ✓ Full exchange observed
09-06 22:01 80m - / - RT6Z -6 / - 2 Partial capture
09-06 21:56 40m +5 / -4 SP5EXA +3 / -1 5 ✓ Full exchange observed
09-06 21:08 40m +2 / -5 R8CKD -11 / 0 5 ✓ Full exchange observed
09-06 21:08 40m +7 / -11 RA6OY +4 / -7 8 ✓ Full exchange observed
08-29 22:52 40m +6 / - RI1FJL - / -14 4 ✓ Closing fragment
08-29 22:50 40m +8 / - YU7AS - / -7 2 ✓ Closing fragment
08-29 22:49 40m +4 / -18 G1CEC -8 / -14 4 ✓ Full exchange observed
08-29 22:47 40m +5 / -10 F4IZH -4 / -4 7 ✓ Full exchange observed
08-29 22:45 40m +6 / -8 RK6OV +3 / -7 5 ✓ Full exchange observed
08-29 22:29 20m +2 / - R7KKO - / -11 2 ✓ Closing fragment
08-29 22:27 20m +2 / - BA4IE - / -18 2 ✓ Closing fragment
08-29 22:26 20m +2 / - M7HET - / -8 2 ✓ Closing fragment
08-29 22:15 20m -2 / - EA1JVG - / -18 2 ✓ Closing fragment
08-29 22:05 40m +8 / - UA2KU -18 / - 2 ✓ Closing observed
08-29 22:04 40m - / - M0SCK -2 / - 2 Partial capture

Recent FT8 messages decoded at SO8OO

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

40m
UTC    dB Audio  Message
211915  +4 2941  CQ RK7D KN95 (x2)
195400  +2 2949  RL3QGD RK7D RR73
195430  +3 2949  YO4LUP RK7D +00 (x2)
195530  +0 2948  CQ RK7D KN95
195545 -16 2287  RK7D PI4TX JO22
195600  +5 2948  PI4TX RK7D -15
195615 -12 2287  RK7D PI4TX R+07
195630  +3 2948  PI4TX RK7D RR73
195645 -19 2287  RK7D PI4TX 73
195700  -1 2948  CQ RK7D KN95                          a1 (x4)
80m
UTC    dB Audio  Message
204800 +12 2913  CQ RK7D KN95 (x3)
204915  -2 2913  RK7D OE3IGU JN87
204930 +13 2913  CQ RK7D KN95
214515 -24  329  RK7D YO3GNF KN34
214515 -24 2912  RK7D SP1MGM R-05
214530  +4 2912  SP1MGM RK7D RR73
214545 -11  329  RK7D YO3GNF KN34
214545 +13 2912  RK7D SP1MGM 73
214600 +10 2911  YO3GNF RK7D -07
214615 -16  329  RK7D YO3GNF R+00
214630  +8 2911  YO3GNF RK7D RR73
214645 -16  329  RK7D YO3GNF 73
214700  +6 2911  CQ RK7D KN95
20m
UTC    dB Audio  Message
222445  +1 2969  CQ RK7D KN95 (x2)
222615  +4 2968  M7HET RK7D -08 (x2)
222715  +3 2967  CQ RK7D KN95
222745  +0 2967  BA4IE RK7D -18 (x2)
222845  -1 2967  CQ RK7D KN95
222915  +2 2966  R7KKO RK7D R-11 (x2)
223015  +0 2966  CQ RK7D KN95                          a1 (x5)
160m
UTC    dB Audio  Message
215530  -3 2915  CQ RK7D KN95 (x2)

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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