RA3DFQ — 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: KO86

Receiver-side FT8 activity involving RA3DFQ, decoded by SO8OO in southeastern Poland. 695 FT8 messages attributed to this token as transmitter, on 40m, 20m, across 30 UTC dates in the available aggregate history. Observed between 2026-06-20 and 2026-10-15.

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 695 FT8 messages attributed to RA3DFQ as the transmitting token by decoded message structure across 30 UTC dates in the available aggregate history. The largest monitored-band total was 40 m (93%), followed by 20 m (7%). Most decodes (55%) fell within the six-hour window 01:00-07:00 UTC. Most successfully decoded messages attributed to this token fell in SO8OO's strong S/N range (63%); the estimated median was -6 dB.

Overview

695

Messages attributed

UTC dates decoded

Active 15-min windows

-6 dB

Estimated median S/N

Bands

40m · 647 20m · 48

First attributed message: 2026-06-20
Last attributed message: 2026-10-15 16:04 UTC

Observed FT8 message patterns

Attributed sample: 695 messages
Active dates: 30 UTC dates
Estimated median S/N: -6 dB
Estimated 10th-90th percentile: -16 to +3 dB
Recurring-pattern threshold: Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 72, moderate (-15 to -9 dB) 186, strong (≥ -8 dB) 437.

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 RA3DFQ in decoded directed-looking exchanges:

R4CCE · European Russia ×3 RD3FY · European Russia ×3 UA9SY · Asiatic Russia ×3 OK3MB · Czech Republic ×2 9A60CBM · Croatia ×2 R4ML · European Russia ×2 RX9WM · Asiatic Russia ×2 UA3ADE · European Russia ×2 M9NTS · England TA2WSE · Asiatic Turkey DA1MHH · Fed. Rep. of Germany DB6FA · Fed. Rep. of Germany

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 RA3DFQ

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: KO86 · 359 decoded messages
SO8OO receiver locator: KN09VW
Locator-centre separation: 1,244 km (approx.)
Last such locator decoded: 2026-10-15 16:00 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 UTC	Band	RA3DFQ S/N	Counterpart	Counterpart S/N	Msgs	Capture
10-15 16:04	40m	-2 / -	R8OAE	- / -13	2	✓ Closing fragment
10-15 16:00	40m	-4 / -	EY7BM	- / -9	3	✓ Closing fragment
10-15 15:58	40m	-12 / -	JT1DN	- / -21	4	✓ Closing fragment
10-15 15:51	40m	-13 / +10	DL7VXX	+1 / -	5	✓ Closing observed
10-15 15:51	40m	-4 / -	R6ADH	- / -10	2	✓ Closing fragment
10-15 15:49	40m	-6 / -8	RD3FY	+1 / -15	5	✓ Full exchange observed
10-15 15:46	40m	-1 / -	IK8OXO	-18 / -11	4	✓ Closing observed
10-15 15:46	40m	- / -	M9XPN	-21 / -	2	Partial capture
10-15 15:46	40m	-1 / -	DB6FA	- / -15	2	✓ Closing fragment
10-15 15:44	40m	-2 / -2	R7CQ	-22 / -9	5	✓ Full exchange observed
10-15 15:43	40m	-10 / -	RC6OZ	-5 / -5	3	✓ Closing observed
10-13 15:15	40m	-5 / -	VJ6X	- / -22	3	✓ Closing fragment
10-13 15:05	40m	-6 / -14	DL6UXL	-16 / -	3	✓ Closing observed
10-13 15:04	40m	-3 / -2	R4WQ	-23 / -3	4	✓ Full exchange observed
10-13 15:01	40m	-4 / +5	HB9ELE	+10 / -8	6	✓ Full exchange observed
10-13 15:01	40m	-5 / -	R4WR	- / 0	2	✓ Closing fragment
10-13 15:01	40m	-2 / 0	DK1XAM	-6 / -13	6	✓ Full exchange observed
10-13 04:36	40m	-8 / -16	LZ1ZF	-2 / -11	4	✓ Full exchange observed
10-13 04:33	40m	-6 / -	SQ1EG	- / -5	2	✓ Closing fragment
10-13 04:25	40m	-1 / -	VP2MAA	- / -	8	Partial capture
10-13 04:20	40m	+1 / -	OA4ELT	- / -21	2	✓ Closing fragment
10-13 04:16	40m	0 / -	EA5HM	- / -4	2	✓ Closing fragment
10-13 04:15	40m	-2 / -	SP9SOS	- / -11	2	✓ Closing fragment
10-13 04:12	40m	-1 / -	R4ML	- / -1	4	✓ Closing fragment
10-13 04:11	40m	-2 / -	SV2AOB	- / -6	2	✓ Closing fragment
10-13 00:40	40m	- / -9	EA5FD	-3 / -	3	✓ Closing fragment
10-13 00:34	40m	- / -12	ON1JP	-18 / -	5	✓ Closing fragment
10-13 00:29	40m	-18 / -	SV5AZK	- / -19	3	✓ Closing fragment
10-13 00:26	40m	-14 / -	F3CJ	-20 / -8	3	✓ Closing observed
10-11 04:50	40m	-8 / -4	R6SBN	-4 / -10	5	✓ Full exchange observed
10-11 04:49	40m	-8 / -16	UA3ADE	-6 / -18	4	✓ Full exchange observed
10-11 04:47	40m	-6 / -14	RX3DQX	-4 / -20	6	✓ Full exchange observed
10-11 04:44	40m	-9 / -	DK8HC/P	- / -9	3	✓ Closing fragment
10-11 04:40	40m	- / -	RX3DQX	-18 / -	5	Partial capture
10-11 04:39	40m	-12 / -	HA3TBL	- / -11	2	✓ Closing fragment
10-11 04:37	40m	-6 / -	DH5BM	- / -5	2	✓ Closing fragment
10-11 04:33	40m	-1 / -	DM1EE	-13 / -5	5	✓ Full exchange observed
10-11 04:33	40m	-10 / -18	RD3FY	-1 / -15	21	✓ Full exchange observed
10-11 04:32	40m	-2 / 0	UC6D	-6 / -12	4	✓ Full exchange observed
10-11 04:28	40m	-9 / -	YY5EHT	- / -15	2	✓ Closing fragment
10-11 04:25	40m	-12 / -14	R4FDD	-18 / -9	4	✓ Full exchange observed
10-11 04:25	40m	-9 / -4	SV5BYP	-6 / -14	6	✓ Full exchange observed
10-10 04:41	40m	-2 / -	XQ3SK	- / -23	5	✓ Closing fragment
10-10 04:39	40m	-10 / -	RO3ZR	- / -3	2	✓ Closing fragment
10-10 04:21	40m	+2 / -	RM4N	- / -3	2	✓ Closing fragment
10-10 04:18	40m	-1 / -	DA1MHH	- / -17	3	✓ Closing fragment
10-10 04:15	40m	+1 / -	OK1UOZ	- / -8	2	✓ Closing fragment
10-10 04:13	40m	-2 / -	HA7TM	- / +2	2	✓ Closing fragment
10-10 04:12	40m	-2 / -	RD4HX	- / 0	2	✓ Closing fragment
10-10 04:10	40m	-8 / -	UA9SY	- / -2	2	✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

40m

UTC    dB Audio  Message
155430  +3 1739  CQ RA3DFQ KO86 (x6)
155815  -5 1739  JT1DN RA3DFQ KO86 (x4)
160015 -14 1740  EY7BM RA3DFQ KO86 (x3)
160400  -3 1739  R8OAE RA3DFQ R-13 (x2)

20m

UTC    dB Audio  Message
123730 +12 2910  RA3DFQ F4BYA JN19
123745 -11 1943  M9NTS RA3DFQ RR73
123800 -10 1573  RA3DFQ OK3MB JO70
123815  -7 1943  CQ RA3DFQ KO86
123830 +12 2910  RA3DFQ F4BYA JN19
123845  -1 1943  OK3MB RA3DFQ -13
123900  -3 1574  RA3DFQ OK3MB R+00
123900 +12 2910  RA3DFQ F4BYA JN19
123915  -8 1943  OK3MB RA3DFQ -13
123930  -7 1573  RA3DFQ OK3MB R-02
123930 +16 2910  RA3DFQ F4BYA JN19
123945  -4 1943  OK3MB RA3DFQ RR73
124000  -4 1574  RA3DFQ OK3MB 73
124115 -16 1942  TA2WSE RA3DFQ -14 (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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