R4CKC — 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

Receiver-side FT8 activity involving R4CKC, decoded by SO8OO in southeastern Poland. 20 FT8 messages attributed to this token as transmitter, on 80m, 40m, across 2 UTC dates in the available aggregate history. Observed between 2026-09-23 and 2026-09-27.

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 20 FT8 messages attributed to R4CKC as the transmitting token by decoded message structure across 2 UTC dates in the available aggregate history. The largest monitored-band total was 40 m (75%), followed by 80 m (25%). In this small sample, the estimated median decoder S/N was -11 dB; no usual signal pattern is inferred.

Overview

Messages attributed

UTC dates decoded

Active 15-min windows

-11 dB

Estimated median S/N

Bands

80m · 5 40m · 15

First attributed message: 2026-09-23
Last attributed message: 2026-09-27 16:54 UTC

Observed FT8 message patterns

Attributed sample: 20 messages
Active dates: 2 UTC dates
Estimated median S/N: -11 dB
Estimated 10th-90th percentile: -19 to -3 dB
Recurring-pattern threshold: Not met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 5, moderate (-15 to -9 dB) 7, strong (≥ -8 dB) 8.

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. The sample does not meet the threshold for a recurring time or signal-pattern claim (20 attributed messages, three UTC dates and five distinct 15-minute windows).

Frequent counterpart tokens observed at SO8OO

Tokens most often paired with R4CKC in decoded directed-looking exchanges:

R2EA/P · European Russia R3LCW · European Russia R4CHN · European Russia R6FFB · European Russia R7YZ · European Russia RA4HG · European Russia RA5AK · European Russia RK4FD · European Russia RU3DNN · European Russia RW3DBX · European Russia RW3YS · European Russia RX9ABI · Asiatic Russia

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	R4CKC S/N	Counterpart	Counterpart S/N	Msgs	Capture
09-27 16:54	80m	- / -	UA4FKT	+2 / -	3	Partial capture
09-27 16:53	80m	-4 / -	R7KKO	-22 / -5	3	✓ Closing observed
09-27 16:51	80m	-3 / -12	IZ8VYU	+5 / -9	5	✓ Full exchange observed
09-27 16:40	40m	-17 / -	SV3DCX	+6 / -19	4	✓ Closing observed
09-27 16:39	40m	- / -	R8CW	-10 / -	2	Partial capture
09-27 16:39	40m	-16 / -1	R2EC	+4 / -1	5	Partial capture
09-27 16:36	40m	- / +3	R7YZ	-12 / -	6	✓ Closing fragment
09-27 16:31	40m	-13 / -	YO8CKT	- / -10	2	Partial capture
09-27 06:24	40m	- / -14	YO4GIY	-18 / -	2	✓ Closing fragment
09-27 06:22	40m	- / -7	DK7ZT	-10 / -	4	Partial capture
09-27 06:13	40m	- / -6	RW3YS	-6 / -	2	✓ Closing fragment
09-23 15:38	40m	- / -	OM3PC	+13 / -	5	Partial capture
09-23 15:33	40m	-8 / -4	R3LCW	-2 / -	19	✓ Closing observed
09-23 15:32	40m	-17 / -	RU3DNN	-4 / -	2	✓ Closing observed
09-23 15:30	40m	-21 / -9	R2EA/P	-2 / -	3	✓ Closing observed
09-23 15:26	40m	- / -	RA6FSV	-14 / -	3	Partial capture
09-23 15:26	40m	- / -	R3LCW	+1 / -	6	Partial capture
09-23 15:24	40m	-13 / -14	RX9ABI	-13 / -12	8	✓ Full exchange observed
09-23 15:23	40m	- / -	RU3DNN	-8 / -	2	Partial capture
09-23 15:22	40m	- / -	R6ML	-5 / -	2	Partial capture
09-23 15:21	40m	- / -	OM3PC	+14 / -	2	Partial capture
09-23 15:21	40m	- / -13	R2EA/P	+1 / -	2	Partial capture
09-23 15:21	40m	- / -8	DK7ZT	-7 / -	4	Partial capture
09-23 15:21	40m	- / -5	RA4HG	-9 / -	2	✓ Closing fragment
09-23 15:21	40m	- / +5	RK4FD	-5 / -	9	✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

80m

UTC    dB Audio  Message
165130  -3 1716  IZ8VYU R4CKC -09 (x2)
165215  +7 1135  R4CKC IZ8VYU R-12
165230  -4 1716  IZ8VYU R4CKC RR73
165245  +3 1135  R4CKC IZ8VYU 73
165330  -1 1716  R7KKO R4CKC R-05
165345 -22 2278  R4CKC R7KKO RR73
165400  -8 1716  R7KKO R4CKC 73
165415  -1 1716  R4CKC UA4FKT LO23 (x3)

40m

UTC    dB Audio  Message
163830 -14 1692  R4CKC R7YZ R+03 (x2)
163900  +4 2352  R4CKC R2EC KO82
163930  -9 2399  R4CKC R8CW MO06
163930  +3 2352  R4CKC R2EC KO82
163945 -16 1748  R2EC R4CKC -01
164000  +2 2352  R4CKC R2EC R-01
164030  -9  937  R4CKC RK4PR +01
164030  +7 2352  R4CKC R2EC R-01
164030  +2 1743  R4CKC 9A4ZM JN86
164045 -17 1747  SV3DCX R4CKC -19 (x2)
164130 -11 2399  R4CKC R8CW MO06
164145 -19 1747  SV3DCX R4CKC -19
164230  +6 2994  R4CKC SV3DCX 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.

CW

No CW receptions recorded for this callsign in the last 30 days.

Explore CW reception at SO8OO

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