RD8D — 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: Asiatic Russia

Receiver-side FT8 activity involving RD8D, decoded by SO8OO in southeastern Poland. 29 FT8 messages attributed to this token as transmitter, on 160m, 20m, across 4 UTC dates in the available aggregate history. Observed between 2026-08-28 and 2026-10-05.

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 29 FT8 messages attributed to RD8D as the transmitting token by decoded message structure across 4 UTC dates in the available aggregate history. The largest monitored-band total was 160 m (97%), followed by 20 m (3%). Most decodes (97%) 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 -11 dB.

Overview

Messages attributed

UTC dates decoded

Active 15-min windows

-11 dB

Estimated median S/N

Bands

160m · 28 20m · 1

First attributed message: 2026-08-28
Last attributed message: 2026-10-05 17:35 UTC

Observed FT8 message patterns

Attributed sample: 29 messages
Active dates: 4 UTC dates
Estimated median S/N: -11 dB
Estimated 10th-90th percentile: -23 to 0 dB
Recurring-pattern threshold: Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 6, moderate (-15 to -9 dB) 16, strong (≥ -8 dB) 7.

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 RD8D in decoded directed-looking exchanges:

RI1FJZ · Franz Josef Land

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.

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 UTC	Band	RD8D S/N	Counterpart	Counterpart S/N	Msgs	Capture
10-07 18:17	160m	- / -	IW2EQR	-9 / -	3	Partial capture
10-07 18:14	160m	- / -	R6FFB	-15 / -	7	Partial capture
10-05 17:48	160m	- / -13	R1AP	-5 / -	6	Partial capture
10-05 17:48	160m	- / -7	RU3VT	-18 / -	3	Partial capture
10-05 17:44	160m	- / -18	R1AP	-4 / -	2	Partial capture
09-18 22:11	160m	-3 / -	RI1FJZ	- / -13	4	Partial capture
09-18 22:04	160m	-10 / -	RI1FJZ	- / -10	2	Partial capture
09-18 21:50	160m	-10 / -	RI1FJZ	- / -9	4	Partial capture
09-18 21:41	160m	-16 / -	RI1FJZ	- / -9	5	Partial capture
09-18 21:24	160m	-6 / -	RI1FJZ	- / -14	2	Partial capture
09-18 21:18	160m	- / -11	F5BZB	+1 / -	8	Partial capture
09-18 21:16	160m	-11 / -	RI1FJZ	- / -14	4	✓ Closing fragment
09-03 18:50	160m	-24 / -	RI1FJL	- / -4	2	Partial capture
09-03 18:38	160m	-13 / -	RI1FJL	- / -13	3	Partial capture

Recent FT8 messages decoded at SO8OO

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

160m

UTC    dB Audio  Message
174930  -4 2384  RD8D R1AP -13 (x4)
181415 -14  981  RD8D R6FFB LN14 (x4)
181715  -5  505  RD8D IW2EQR JN45
181745 -15  981  RD8D R6FFB LN14
181745 -10  505  RD8D IW2EQR JN45
181815 -15  981  RD8D R6FFB LN14
181815 -11  505  RD8D IW2EQR JN45
181845 -11 2287  RD8D RM3ZR KO90
181845 -15  981  RD8D R6FFB LN14

20m

UTC    dB Audio  Message
135515 -13 2680  RI1FJL RD8D -17

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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