3Z0L — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Poland Most frequent locator attributed to this token: JO81

Receiver-side FT8 activity involving 3Z0L, decoded by SO8OO in southeastern Poland. 1,539 FT8 messages attributed to this token as transmitter, on 80m, 60m, 40m, across 28 UTC dates in the available aggregate history. Observed between 2026-06-06 and 2026-10-04.

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 1,539 FT8 messages attributed to 3Z0L as the transmitting token by decoded message structure across 28 UTC dates in the available aggregate history. The largest monitored-band total was 40 m (81%), followed by 60 m (14%) and 80 m (6%). Most decodes (69%) 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 (68%); the estimated median was -4 dB.

Overview

1,539

Messages attributed

UTC dates decoded

136

Active 15-min windows

-4 dB

Estimated median S/N

Bands

80m · 88 60m · 212 40m · 1,239

First attributed message: 2026-06-06
Last attributed message: 2026-10-04 17:04 UTC

Observed FT8 message patterns

Attributed sample: 1,539 messages
Active dates: 28 UTC dates
Estimated median S/N: -4 dB
Estimated 10th-90th percentile: -17 to +3 dB
Recurring-pattern threshold: Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 204, moderate (-15 to -9 dB) 286, strong (≥ -8 dB) 1,049.

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 3Z0L in decoded directed-looking exchanges:

LY5G · Lithuania ×3 DG6OAY · Fed. Rep. of Germany ×2 DL3BH · Fed. Rep. of Germany ×2 DL4CL · Fed. Rep. of Germany ×2 DL4FBZ · Fed. Rep. of Germany ×2 F1IQH · France ×2 HF1Z · Poland ×2 I4RHP · Italy ×2 LB5WB · Norway ×2 OK5AG/P · Czech Republic ×2 PE1BTV · Netherlands ×2 SP3AKK · Poland ×2

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 3Z0L

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: JO81 · 720 decoded messages
SO8OO receiver locator: KN09VW
Locator-centre separation: 379 km (approx.)
Last such locator decoded: 2026-10-04 17:01 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	3Z0L S/N	Counterpart	Counterpart S/N	Msgs	Capture
10-04 17:03	40m	-12 / -	HF1Z	-8 / -8	3	✓ Closing observed
10-04 17:02	40m	-14 / -17	UB2FEK	-3 / -16	4	✓ Full exchange observed
10-04 17:00	40m	-8 / -	DB0CUI	- / -	2	Partial capture
10-04 16:59	40m	-13 / -	IV3IPA	- / -	2	Partial capture
10-04 16:58	40m	-12 / -	SP3MYP	- / -15	2	✓ Closing fragment
10-04 16:54	40m	-9 / -1	SP4NKU	-13 / -3	4	✓ Full exchange observed
10-04 16:53	40m	- / +7	DL2SUD	-1 / -	2	Partial capture
10-04 16:46	40m	-6 / -	R9AL	- / -15	2	✓ Closing fragment
10-04 16:43	40m	- / -11	PD0DEX	+2 / -	3	✓ Closing fragment
10-04 16:43	40m	-8 / -	DL1VED	- / -16	2	✓ Closing fragment
10-04 16:30	40m	-2 / -4	ON4AEO	-2 / 0	4	✓ Full exchange observed
10-04 15:20	40m	-14 / -	F4MXT/P	- / -	3	Partial capture
10-04 15:18	40m	- / -3	YL3GAO	-6 / -	3	✓ Closing fragment
10-03 20:43	60m	- / -9	PE3T	-4 / -	2	✓ Closing fragment
10-03 20:32	60m	- / -6	HF1Z	-9 / -	3	✓ Closing fragment
10-03 20:31	60m	- / -4	DL6ZAJ	-3 / -	2	✓ Closing fragment
10-03 20:28	60m	- / -6	ER1CW	-12 / -	2	✓ Closing fragment
10-03 20:26	60m	-20 / -	DO1SLC	- / -15	2	Partial capture
10-03 20:24	60m	-22 / 0	DD4U	+1 / -5	4	✓ Full exchange observed
10-03 20:18	60m	-24 / -18	SQ4KBF	-10 / -	3	✓ Closing observed
10-03 20:16	60m	- / -3	ER3UA	+6 / -	4	✓ Closing fragment
10-03 20:15	60m	-15 / -6	DL3BH	-10 / -8	3	✓ Full exchange observed
10-03 19:40	40m	- / 0	T77R	+4 / -	3	✓ Closing fragment
09-28 08:59	40m	-5 / -3	DG3YEV	+2 / -1	4	✓ Full exchange observed
09-26 18:09	40m	-2 / -7	G6OCE	-10 / -14	5	✓ Full exchange observed
09-26 18:07	40m	+2 / -	SQ2JYJ	- / -	3	Partial capture
09-26 18:05	40m	+8 / -	SP4WSL	- / -	2	Partial capture
09-26 18:03	40m	+4 / -	SM6VAG	-9 / -7	3	✓ Closing observed
09-26 17:57	40m	+2 / -	BG0HP	- / -	4	Partial capture
09-26 17:55	40m	-7 / -	SP7QAA	- / -19	3	✓ Closing fragment
09-26 17:54	40m	-2 / -	YT2VVV	- / -19	3	✓ Closing fragment
09-26 17:51	40m	-2 / 0	SP9XU	-19 / -7	5	✓ Full exchange observed
09-26 17:51	40m	-4 / -	OE5SMJ	-8 / -9	7	✓ Closing observed
09-26 17:47	40m	-2 / +5	OK1FAQ/P	0 / -10	6	✓ Full exchange observed
09-17 15:11	40m	-2 / -7	E70N	-13 / -1	5	✓ Full exchange observed
09-17 15:09	40m	-4 / -17	PE1LDS	-20 / -7	6	✓ Full exchange observed
09-17 15:07	40m	-4 / -	HB9HRR	- / -16	2	✓ Closing fragment
09-17 15:06	40m	-2 / 0	S57CT	-2 / +2	5	✓ Full exchange observed
09-17 15:03	40m	-5 / -3	SQ9GAI	+8 / -5	6	✓ Full exchange observed
09-16 19:25	60m	-5 / +10	SP3JZR	-6 / +5	7	✓ Full exchange observed
09-16 19:23	60m	-4 / +10	OK7PM	+1 / +3	6	✓ Full exchange observed
09-16 19:23	60m	-2 / -10	PA0GSP	-8 / -2	5	✓ Full exchange observed
09-16 19:20	60m	-4 / -	IU2UFG	- / -18	2	✓ Closing fragment
09-16 19:17	60m	-3 / -12	LB9RE	-15 / -	4	✓ Closing observed
09-16 19:17	60m	-1 / +5	DL5JMN	+2 / 0	6	✓ Full exchange observed
09-16 19:14	60m	-2 / -4	DC9JVN	-15 / -8	4	✓ Full exchange observed
09-16 19:12	60m	-6 / -	DL4YDR	-12 / -10	3	✓ Closing observed
09-16 19:09	60m	-1 / -1	DK1XAM	-4 / -6	6	✓ Full exchange observed
09-16 19:09	60m	-1 / -9	F5OZC	-6 / -	3	✓ Closing observed
09-16 19:07	60m	-1 / -8	PE1BTV	-12 / -	3	✓ Closing observed

Recent FT8 messages decoded at SO8OO

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

40m

UTC    dB Audio  Message
165845 -14 1995  SP3MYP 3Z0L RR73
165915 -12 1994  IV3IPA 3Z0L JO81
165945 -10 1995  SP3IPA 3Z0L JO81
170015  -6 1994  DB0CUI 3Z0L JO81 (x2)
170115 -14 1994  IV3IPA 3Z0L JO81
170230  -5 2805  3Z0L DD5DD JO50
170245 -13 1994  UB2FEK 3Z0L -16
170300  -5 2800  3Z0L UB2FEK R-17
170315 -15 1993  UB2FEK 3Z0L RR73
170330  -1 2800  3Z0L UB2FEK 73
170330  -8 1635  3Z0L HF1Z JO73
170345 -11 1994  HF1Z 3Z0L -08 (x2)
171100  -9 1996  3Z0L DB0CUI +00

60m

UTC    dB Audio  Message
202430  +1  870  3Z0L DD4U +00
202445 -24 1926  DD4U 3Z0L R-05
202500  -1  870  3Z0L RR73; G0MIE <...> +14
202515 -18 1926  DD4U 3Z0L 73
202645 -19 1924  DO1SLC 3Z0L R-15 (x2)
202830 -13 1602  3Z0L ER1CW -06 (x2)
203100  -5 2100  3Z0L DL6ZAJ -04 (x2)
203200  -8 1831  3Z0L HF1Z JO73 (x3)
204345  -8 1208  3Z0L PE3T -09 (x2)

80m

UTC    dB Audio  Message
174400 -10 2461  DO1ID 3Z0L JO81

20m

UTC    dB Audio  Message
172600 -24 1825  3Z0L UT4QM R-11 (x2)
174100 -12  926  3Z0L <...> -01
174430  -7 2654  3Z0L UX7UU KO50
175300  -5 2711  3Z0L I0XNH RR73
180400 -15 1782  3Z0L DH1KU JO30 (x5)
180630 -16 1105  3Z0L CN8NS -05
181500 -15  605  3Z0L IK1EZX JN44 (x4)

10m

UTC    dB Audio  Message
184315 -13 1950  3Z0L G1OZO R-09 (x2)
184915 -12  738  3Z0L M8FQT RR73
185345  -3  465  3Z0L PD1HTW +07 (x2)
200845 -12 1326  3Z0L IK1MJK/P -08 (x2)
201230 -14 1212  3Z0L YO3TEP -05
072630 -10 2683  3Z0L IQ4JO -06 (x2)
102930  +3 2732  3Z0L F1PBZ -10
105045  -2 2545  3Z0L R3KLE KO91 (x4)

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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