OZ7CL — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Denmark Most frequent locator attributed to this token: JO56

Receiver-side FT8 activity involving OZ7CL, decoded by SO8OO in southeastern Poland. 6,706 FT8 messages attributed to this token as transmitter, on 80m, 40m, 20m, across 56 UTC dates in the available aggregate history. Observed between 2026-06-07 and 2026-09-19.

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 6,706 FT8 messages attributed to OZ7CL as the transmitting token by decoded message structure across 56 UTC dates in the available aggregate history. The largest monitored-band total was 80 m (47%), followed by 20 m (26%) and 40 m (26%). Most decodes (82%) fell within the six-hour window 16:00-22:00 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

6,706

Messages attributed

UTC dates decoded

596

Active 15-min windows

-6 dB

Estimated median S/N

Bands

80m · 3,167 40m · 1,764 20m · 1,775

First attributed message: 2026-06-07
Last attributed message: 2026-09-19 20:37 UTC

Observed FT8 message patterns

Attributed sample: 6,706 messages
Active dates: 56 UTC dates
Estimated median S/N: -6 dB
Estimated 10th-90th percentile: -17 to +4 dB
Recurring-pattern threshold: Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 846, moderate (-15 to -9 dB) 1,615, strong (≥ -8 dB) 4,245.

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 OZ7CL in decoded directed-looking exchanges:

M8FQT · England ×5 F1IQH · France ×4 UR4LG · Ukraine ×4 TA2ED · Asiatic Turkey ×3 RU3QR · European Russia ×3 CT2GQA · Portugal ×3 DA6WM · Fed. Rep. of Germany ×3 DF3YG · Fed. Rep. of Germany ×3 EU1EU · Belarus ×3 OE3ZIO · Austria ×3 ON4MAP · Belgium ×3 SP2GR · Poland ×3

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 OZ7CL

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: JO56 · 4,238 decoded messages
SO8OO receiver locator: KN09VW
Locator-centre separation: 1,022 km (approx.)
Last such locator decoded: 2026-09-19 20:37 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	OZ7CL S/N	Counterpart	Counterpart S/N	Msgs	Capture
09-19 20:34	40m	+7 / -	IQ0AAI	- / -	3	Partial capture
09-19 20:28	40m	+5 / -	IK2ZJP	- / -	3	Partial capture
09-19 20:28	40m	- / +3	OE5LGJ	-11 / -	4	Partial capture
09-19 20:22	40m	+5 / -	EA1KCN	- / -9	3	✓ Closing fragment
09-19 20:16	40m	0 / -13	PD1GOL	-8 / -5	7	✓ Full exchange observed
09-19 20:14	40m	+3 / +5	DJ4JZ	-2 / -9	3	✓ Full exchange observed
09-19 19:02	40m	-6 / -	ES1AMI	- / -20	2	✓ Closing fragment
09-19 18:57	40m	-4 / -1	S57CT	-8 / -14	4	✓ Full exchange observed
09-19 18:55	40m	-5 / -	SP100PKP	- / -15	3	Partial capture
09-19 18:54	40m	-4 / -	G6OCE	- / -13	2	✓ Closing fragment
09-19 18:52	40m	-1 / -	UA1ABJ	- / -12	2	✓ Closing fragment
09-19 18:48	40m	-12 / -	R3PJV	- / -12	2	✓ Closing fragment
09-19 18:47	40m	-10 / -	ON8WR	- / -17	2	✓ Closing fragment
09-19 18:41	40m	- / -	R6YG	+2 / -	2	✓ Closing fragment
09-19 18:37	40m	- / -	DA1LEO	-2 / -	4	✓ Closing fragment
09-19 18:22	40m	-8 / -	UB3BDB	- / -9	2	✓ Closing fragment
09-19 18:19	40m	-6 / -	Z34CMF	- / -	3	Partial capture
09-19 18:08	40m	-2 / -	R2BHQ	-7 / -18	3	✓ Closing observed
09-19 18:06	40m	-1 / -	OH3MB	-4 / -4	5	✓ Full exchange observed
09-19 18:03	40m	0 / -	IK1MJK	- / -15	2	✓ Closing fragment
09-19 17:59	40m	0 / -	UA1ALY	- / -15	2	✓ Closing fragment
09-19 17:58	40m	-2 / -	EH3ST	- / -13	2	✓ Closing fragment
09-19 17:54	40m	+1 / -	YL3QT	- / -21	3	✓ Closing fragment
09-18 21:25	80m	-4 / -	IU0NAD	- / -	2	Partial capture
09-18 21:22	80m	-5 / -12	DO5PAP	-22 / -	3	✓ Closing observed
09-18 21:16	80m	-8 / -	EW8AAC	- / -	3	Partial capture
09-18 21:11	80m	-8 / -	SQ9KWY	+13 / -7	3	✓ Closing observed
09-18 21:05	80m	-6 / -5	DM2HEY	-4 / -5	4	✓ Full exchange observed
09-18 21:03	80m	-2 / -4	SN1A	+5 / -	3	✓ Closing observed
09-18 20:57	80m	-3 / +7	OZ1A	-7 / 0	5	✓ Full exchange observed
09-18 20:55	80m	0 / -1	SP2KW	0 / -3	5	✓ Full exchange observed
09-18 20:50	80m	-2 / +6	G3PMY	-15 / -7	4	✓ Full exchange observed
09-18 20:50	80m	0 / -	LB0XJ	- / -9	3	✓ Closing fragment
09-18 20:47	80m	-3 / -13	PA1RGX	-2 / -3	5	✓ Full exchange observed
09-18 20:43	80m	-6 / -	GX3RAF/P	- / -6	2	✓ Closing fragment
09-18 20:41	80m	-7 / -	G4XWR	- / -14	2	✓ Closing fragment
09-18 20:39	80m	-8 / -	DL1HUH	-8 / -8	4	✓ Closing observed
09-18 20:37	80m	-3 / -12	UR4LG	+2 / -9	3	✓ Full exchange observed
09-18 20:35	80m	0 / -	HB3YQY	- / -15	2	✓ Closing fragment
09-18 20:33	80m	-2 / -	UB3ADO/P	-13 / -12	3	✓ Closing observed
09-18 20:29	80m	0 / -5	SP2GR	-6 / -4	5	✓ Full exchange observed
09-18 20:26	80m	-4 / +3	DO5HCS	-16 / -5	4	✓ Full exchange observed
09-18 20:22	80m	-2 / +5	ON1ANW	-22 / -1	6	✓ Full exchange observed
09-18 20:15	80m	-4 / -13	RK9UE	-9 / -9	5	✓ Full exchange observed
09-18 20:06	80m	-2 / -	DO5SL	- / -2	2	✓ Closing fragment
09-18 19:59	80m	-8 / -24	UA6JQ	-9 / -15	4	✓ Full exchange observed
09-18 19:52	80m	-3 / -7	DL9IX	-11 / -10	9	✓ Full exchange observed
09-18 19:51	80m	-2 / -12	SP9FBN	-2 / -15	5	✓ Full exchange observed
09-18 19:46	80m	-5 / -	R1TAX	- / -9	2	✓ Closing fragment
09-18 19:43	80m	0 / -	F4LCT	- / -11	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
202915  +2  430  IK2ZJP OZ7CL JO56
202930 -11 1159  OZ7CL OE5LGJ +03
202945  +7  430  IK2ZJP OZ7CL JO56
203115  +9  430  CQ OZ7CL JO56 (x4)
203345  +9  430  EA1EMY OZ7CL JO56
203445 +10  430  IQ0AAI OZ7CL JO56 (x3)
203615  +4  430  CQ OZ7CL JO56 (x4)

80m

UTC    dB Audio  Message
211845  -4  705  CQ OZ7CL JO56 (x7)
212200 -23  765  OZ7CL DO5PAP JO30 (x2)
212245  -5 1896  DO5PAP OZ7CL RR73
212345  -6 1895  CQ OZ7CL JO56 (x3)
212545  -3 1895  IU0NAD OZ7CL JO56 (x2)

60m

UTC    dB Audio  Message
142045 -17 1497  OZ7CL UT3XM -22 (x7)

20m

UTC    dB Audio  Message
203700 +16 2176  OZ7CL F4JZW R-06
205415 -20  931  K4AKA OZ7CL RR73
205445 -18  931  CQ OZ7CL JO56 (x4)
212900 -15  930  OZ7CL K1IM R-10 (x2)
220130 -10 2676  OZ7CL HK4LGH -20
220830 -12 1245  OZ7CL VE1WT -02 (x3)
222000  +5  762  OZ7CL K1RI FN41 (x3)

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.

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