LZ3BS — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Bulgaria Most frequent locator attributed to this token: KN22

Receiver-side FT8 activity involving LZ3BS, decoded by SO8OO in southeastern Poland. 1,785 FT8 messages attributed to this token as transmitter, on 80m, 60m, 40m, 20m, 10m, across 54 UTC dates in the available aggregate history. Observed between 2026-06-18 and 2026-09-15.

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 1,785 FT8 messages attributed to LZ3BS as the transmitting token by decoded message structure across 54 UTC dates in the available aggregate history. The largest monitored-band total was 20 m (72%), followed by 40 m (25%) and 10 m (3%). Several six-hour UTC windows tied for the largest share (83%), so no unique busiest interval is claimed. Most successfully decoded messages attributed to this token fell in SO8OO's strong S/N range (81%); the estimated median was -1.8 dB.

Overview

1,785

Messages attributed

UTC dates decoded

194

Active 15-min windows

-1.8 dB

Estimated median S/N

Bands

80m · 2 60m · 14 40m · 446 20m · 1,277 10m · 46

First attributed message: 2026-06-18
Last attributed message: 2026-09-15 05:31 UTC

Observed FT8 message patterns

Attributed sample: 1,785 messages
Active dates: 54 UTC dates
Estimated median S/N: -1.8 dB
Estimated 10th-90th percentile: -12.8 to +7.1 dB
Recurring-pattern threshold: Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 105, moderate (-15 to -9 dB) 232, strong (≥ -8 dB) 1,448.

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 LZ3BS in decoded directed-looking exchanges:

KB3Z · United States ×3 AK8A · United States ×2 ND9M · United States ×2 NF3R · United States ×2 RC9WC · Asiatic Russia ×2 RI1FJL · Franz Josef Land ×2 LX1TI · Luxembourg ×2 JY4CI · Jordan ×2 IZ3EAW · Italy JA4FKX · Japan JA5DNJ · Japan LZ4VR · Bulgaria

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 LZ3BS

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: KN22 · 1,218 decoded messages
SO8OO receiver locator: KN09VW
Locator-centre separation: 863 km (approx.)
Last such locator decoded: 2026-09-15 05:30 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	LZ3BS S/N	Counterpart	Counterpart S/N	Msgs	Capture
09-15 05:30	40m	+1 / -	KF0GE	- / -22	3	✓ Closing fragment
09-15 05:24	40m	+2 / -	NF3R	- / -13	4	✓ Closing fragment
09-15 05:22	40m	0 / -3	EU4U	+6 / 0	5	✓ Full exchange observed
09-15 05:19	40m	+5 / -	TK/4O7CC	-5 / -8	3	Partial capture
09-15 05:17	40m	+4 / -	KB9ZM	- / -	2	Partial capture
09-15 05:16	40m	+4 / -	KC9USW	- / -	2	Partial capture
09-15 05:15	40m	- / -6	TA2/TF1OL	-10 / -	2	Partial capture
09-15 05:11	40m	+2 / -	DL40RIG	- / -2	4	Partial capture
09-15 05:08	40m	+2 / -5	OZ6MM	-8 / -12	4	✓ Full exchange observed
09-15 05:07	40m	-4 / -	DJ9GP	- / -18	2	✓ Closing fragment
09-15 05:05	40m	- / -6	TK/4O7CC	-16 / -	2	Partial capture
09-15 05:04	40m	+3 / -	VP5/K5UR	- / -	2	Partial capture
09-15 05:02	40m	+1 / -	K4PRO	- / -	3	Partial capture
09-15 05:00	40m	0 / -5	SM7TZK	+9 / -8	6	✓ Full exchange observed
09-15 04:59	40m	+1 / -5	LX1TI	+4 / -1	5	✓ Full exchange observed
09-14 05:33	40m	-1 / -	KB6DAD	- / -	2	Partial capture
09-14 05:30	40m	+6 / -	VP5/K5UR	- / -14	4	Partial capture
09-14 05:28	40m	-4 / -	SV1DKR	- / -1	2	✓ Closing fragment
09-14 05:25	40m	+2 / -	KC1YXS	- / -11	3	Partial capture
09-14 05:18	40m	-6 / -	VP5/K5UR	- / -	2	Partial capture
09-14 05:16	40m	0 / -	EA9QD	- / -11	4	✓ Closing fragment
09-14 05:15	40m	+8 / -	KB6DAD	- / -	2	Partial capture
09-14 05:10	40m	- / -	UR4QWW	-18 / -	2	Partial capture
09-14 05:04	40m	-4 / -	ND9M	- / -14	6	✓ Closing fragment
09-14 05:02	40m	-2 / -	KN4WOJ	- / -20	4	Partial capture
09-14 05:01	40m	- / -	DL8TV	0 / -	2	Partial capture
09-14 05:01	40m	+8 / -16	EB3JT	-18 / -5	5	✓ Full exchange observed
09-14 04:56	40m	-3 / -15	AB2E	-17 / -8	10	✓ Full exchange observed
09-10 05:09	40m	+10 / -	Z68PX	- / -13	2	✓ Closing fragment
09-10 05:05	40m	-9 / -	ND9M	- / -	3	Partial capture
09-10 05:02	40m	-14 / -	KE9END	- / -	2	Partial capture
09-10 05:00	40m	-2 / -	GX4RAF/P	- / -	2	Partial capture
09-07 05:46	40m	+3 / -	SV5BYP	- / +1	3	✓ Closing fragment
09-07 05:42	40m	-6 / -	SN40KZE	- / -8	2	Partial capture
09-07 05:39	40m	-6 / -5	SP5EXA	-3 / +1	5	✓ Full exchange observed
09-07 05:36	40m	-4 / -	KS4OT	- / -	3	Partial capture
09-02 03:38	40m	+13 / -	KD8LOM	- / -20	3	✓ Closing fragment
09-02 03:37	40m	+8 / -	N1EDF	- / -	4	Partial capture
09-02 03:36	40m	+16 / -	N3YPL	- / -	2	Partial capture
09-02 03:35	40m	+9 / -	W4DXR	- / -	2	Partial capture
09-02 03:34	40m	+2 / -	N0XRG	- / -	2	Partial capture
09-02 03:33	40m	+8 / -	KC1UVP	- / -14	2	Partial capture
09-02 03:32	40m	+4 / -	RC9WC	-12 / -2	3	✓ Closing observed
09-02 03:21	40m	+4 / -	KE9END	- / -23	4	Partial capture
09-02 03:18	40m	+11 / -	VE3XVC	- / -	2	Partial capture
09-02 03:17	40m	+5 / -	KS1WK	- / -11	5	✓ Closing fragment
09-02 03:14	40m	+5 / -	K1JAK	- / -12	5	Partial capture
09-02 03:13	40m	+4 / -	VE3XVC	- / -	2	Partial capture
09-02 03:10	40m	+8 / -	TJ1GD	- / -12	5	✓ Closing fragment
08-31 20:59	60m	+4 / -2	OT4R	-7 / -11	4	✓ Full exchange observed

Recent FT8 messages decoded at SO8OO

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

40m

UTC    dB Audio  Message
052330  -4  400  EU4U LZ3BS 73
052400  +3  400  CO2MX LZ3BS KN22
052430  +4  400  NF3R LZ3BS KN22 (x4)
052630  +3  400  CO2MX LZ3BS KN22
052700  +3  400  CQ DX LZ3BS KN22
052745  +8  400  KB9ZM LZ3BS KN22
052815 +10  400  CQ DX LZ3BS KN22
052845  +7  400  MI7XHT LZ3BS KN22
052915  +7  400  CQ DX LZ3BS KN22
053000  +1  400  KF0GE LZ3BS KN22 (x3)

10m

UTC    dB Audio  Message
093800  -6 2431  <...> LZ3BS R-03
093900 -11 2431  LZ4VR LZ3BS -13 (x2)
094030  -7 2431  YE1AJE LZ3BS R-07 (x2)
094130 -10 2431  LZ4VR LZ3BS -15 (x3)
092330  -4  719  JA4FKX LZ3BS KN22 (x3)
092730 -16 2421  JA5DNJ LZ3BS R-08 (x3)
125000  -4 2396  LZ3BS CR7CDR IM58

60m

UTC    dB Audio  Message
172215  -9 1415  <...> LZ3BS KN22
172245  -3 1415  <8C81KS> LZ3BS KN22
172345  -1 1444  <...> LZ3BS KN22 (x2)
172715  -2 2257  OE7CMT LZ3BS -14
172730 -20 2257  LZ3BS OE7CMT R-14
172745  +3 2257  OE7CMT LZ3BS RR73
205800 -15 1694  LZ3BS ER1CW +01
205815  +1 1694  ER1CW LZ3BS R-07
205830 -14 1695  LZ3BS ER1CW RR73
205845  +6 1694  ER1CW LZ3BS 73
205900  -8 1470  LZ3BS OT4R -02
205915  +5 1470  OT4R LZ3BS R-11
205930  -6 1471  LZ3BS OT4R RR73
205945  +3 1471  OT4R LZ3BS 73

20m

UTC    dB Audio  Message
060845 +14  305  CQ DX LZ3BS KN22 (x5)
061230  +7  305  VK4XK LZ3BS KN22 (x4)
051630 -16 2057  LZ3BS EA7JBN IM77 (x3)
054115  -4  639  LZ3BS UK8OM -14 (x2)
054245 -16 1173  LZ3BS UA0SU -06

80m

UTC    dB Audio  Message
173845  -3 1601  RA1AUS/P LZ3BS KN22 (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.

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