IZ3LSZ — 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: Italy Most frequent locator attributed to this token: JN65

Receiver-side FT8 activity involving IZ3LSZ, decoded by SO8OO in southeastern Poland. 524 FT8 messages attributed to this token as transmitter, on 80m, 60m, 40m, 20m, 10m, across 52 UTC dates in the available aggregate history. Observed between 2026-06-06 and 2026-11-05.

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 524 FT8 messages attributed to IZ3LSZ as the transmitting token by decoded message structure across 52 UTC dates in the available aggregate history. The largest monitored-band total was 20 m (40%), followed by 40 m (27%) and 60 m (21%). Most decodes (59%) fell within the six-hour window 14:00-20:00 UTC. Most successfully decoded messages attributed to this token fell in SO8OO's strong S/N range (77%); the estimated median was -3.8 dB.

Overview

524

Messages attributed

UTC dates decoded

Active 15-min windows

-3.8 dB

Estimated median S/N

Bands

80m · 17 60m · 111 40m · 140 20m · 211 10m · 45

First attributed message: 2026-06-06
Last attributed message: 2026-11-05 20:00 UTC

Observed FT8 message patterns

Attributed sample: 524 messages
Active dates: 52 UTC dates
Estimated median S/N: -3.8 dB
Estimated 10th-90th percentile: -12 to +3 dB
Recurring-pattern threshold: Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 22, moderate (-15 to -9 dB) 96, strong (≥ -8 dB) 406.

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 IZ3LSZ in decoded directed-looking exchanges:

SP3IPA · Poland ×2 DK9BG · Fed. Rep. of Germany DL1AG · Fed. Rep. of Germany DL3KBJ · Fed. Rep. of Germany DN9BT · Fed. Rep. of Germany DN9DZ · Fed. Rep. of Germany DO9ST · Fed. Rep. of Germany RA6OY · European Russia BA3NZ · China OH2GT · Finland R4HNT · European Russia RI1FJL · Franz Josef Land

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 IZ3LSZ

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: JN65 · 313 decoded messages
SO8OO receiver locator: KN09VW
Locator-centre separation: 821 km (approx.)
Last such locator decoded: 2026-11-05 20:00 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	IZ3LSZ S/N	Counterpart	Counterpart S/N	Msgs	Capture
11-05 19:57	40m	-5 / -	EB1GUA	- / -15	3	✓ Closing fragment
11-05 19:52	40m	- / -16	SV1EKI	-9 / -	5	Partial capture
11-05 19:52	40m	- / -23	M0CKX	-18 / -	4	Partial capture
11-05 19:48	40m	-3 / -	HB0PA	- / -	2	✓ Closing fragment
11-04 20:01	60m	-6 / -	ON6OM	- / -	5	Partial capture
11-04 19:59	60m	+1 / -	LZ1GC	+4 / +2	5	✓ Full exchange observed
11-04 19:56	60m	+1 / -	SP2EWQ	- / -1	3	✓ Closing fragment
11-04 19:54	60m	0 / 0	DN4TG	-16 / -6	6	✓ Full exchange observed
11-02 19:27	80m	-15 / -23	SP3IPA	+6 / -10	9	✓ Full exchange observed
10-31 07:15	40m	-2 / -3	F1MXE	-6 / -9	5	✓ Full exchange observed
10-31 07:14	40m	- / -	HA5KN	-4 / -	2	Partial capture
10-31 07:13	40m	0 / -7	EC3A	-23 / -9	3	✓ Full exchange observed
10-31 07:07	60m	-4 / -	DL4WF	- / -5	6	✓ Closing fragment
10-31 07:04	60m	-9 / -13	PA2PF	-16 / -6	5	✓ Full exchange observed
10-31 07:03	60m	-6 / -16	G8OO	-12 / -	4	✓ Closing observed
10-31 07:01	60m	-6 / -8	OK1MAT	-2 / -9	6	✓ Full exchange observed
10-31 06:59	60m	-4 / -4	DK9NP	0 / +1	5	✓ Full exchange observed
10-31 06:59	60m	-5 / -	DD4DZ	- / -15	2	✓ Closing fragment
10-31 06:55	60m	-4 / -	DH6DAO	- / -20	2	✓ Closing fragment
10-31 06:53	60m	-8 / -7	DL3FBI	-14 / -14	4	✓ Full exchange observed
10-31 06:48	60m	-9 / -9	G0BLB	+2 / -3	8	✓ Full exchange observed
10-31 06:47	60m	-12 / -4	F6FTB	-10 / -2	5	✓ Full exchange observed
10-24 19:14	80m	-6 / -	DF7NO	- / -1	3	Partial capture
10-24 19:11	80m	-12 / -7	DL2RN	-3 / -4	4	✓ Full exchange observed
10-24 19:08	80m	-11 / -7	IK1MJK	-7 / -3	4	✓ Full exchange observed
10-24 19:02	60m	-6 / -	LA7KJ	- / -	4	Partial capture
10-24 18:58	60m	-2 / -19	OE8PIT	+12 / -13	9	✓ Full exchange observed
10-24 18:57	60m	- / -	YO4BEW	-8 / -	3	Partial capture
10-24 18:57	60m	+1 / -	HF5A	- / -18	2	✓ Closing fragment
10-24 18:56	60m	- / -	DL9KM	-12 / -	4	Partial capture
10-24 18:53	60m	-4 / -	G4MHJ	-13 / -21	3	Partial capture
10-10 18:28	40m	- / -4	SV9AUP	-13 / -	2	Partial capture
10-07 19:05	40m	-10 / -	DD7XX	- / -	3	Partial capture
10-07 19:00	40m	0 / 0	DL7KI	-15 / -2	4	✓ Full exchange observed
10-07 19:00	40m	-3 / -	F5MXH	-3 / -	5	✓ Closing observed
10-07 18:58	40m	0 / -	PD4RJ	- / -10	4	✓ Closing fragment
10-07 18:55	40m	-3 / -5	F1IQH	-12 / -11	6	✓ Full exchange observed
10-07 18:55	40m	-4 / -	M0IEP	-12 / -14	3	✓ Closing observed
09-28 18:41	40m	- / -	PI4TX	-12 / -	2	Partial capture
09-28 18:37	40m	- / +1	IZ8EYN	-13 / -	5	✓ Closing fragment
09-28 18:34	40m	- / +7	F6BHK	-3 / -	4	✓ Closing fragment
09-26 19:05	40m	-1 / -	SP4MPH	- / -9	2	✓ Closing fragment
09-21 19:04	60m	0 / -6	SP5JMA	+4 / -5	7	✓ Full exchange observed
09-21 19:01	60m	0 / +2	SP3PLD	+12 / -1	5	✓ Full exchange observed
09-21 18:59	60m	+1 / -2	DL9ATW	-19 / -2	8	✓ Full exchange observed
09-21 18:57	60m	+4 / -4	DL4YDR	-3 / -4	5	✓ Full exchange observed
09-21 18:54	60m	-2 / 0	F1PBZ	-12 / -6	4	✓ Full exchange observed
09-21 18:52	60m	-16 / -	RI1FJZ	- / -	2	Partial capture
09-15 12:48	40m	-16 / -	R1QF/P	- / 0	4	Partial capture
09-14 18:42	40m	-1 / -	F5OYA/P	- / -2	3	Partial capture

Recent FT8 messages decoded at SO8OO

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

40m

UTC    dB Audio  Message
195230  -7 2304  IZ3LSZ SV1EKI KM18 (x2)
195300 -17 1755  IZ3LSZ M0CKX R-23
195330  -6 2304  IZ3LSZ SV1EKI KM18
195330 -19 1755  IZ3LSZ M0CKX R-23
195400 -13 2304  IZ3LSZ SV1EKI R-16
195400 -14 1755  IZ3LSZ M0CKX R-23
195430 -17 2304  IZ3LSZ SV1EKI R-16
195715  -7 2678  PD40EUDXF IZ3LSZ JN65
195745  -6 2678  EB1GUA IZ3LSZ R-15 (x3)
195945  -8 2677  CQ IZ3LSZ JN65 (x2)
200230 -11 2678  IZ3LSZ SV2CCJ KN10

60m

UTC    dB Audio  Message
195630  +2 2611  SP2EWQ IZ3LSZ -01 (x3)
195830  +1 2611  CQ IZ3LSZ JN65 (x2)
195930  +4 2611  LZ1GC IZ3LSZ JN65
195945  +5  638  IZ3LSZ LZ1GC +19
200000  -2 2611  LZ1GC IZ3LSZ R+02
200015  +3  638  IZ3LSZ LZ1GC RR73
200030  +2 2611  LZ1GC IZ3LSZ 73
200100  +2 2611  ON6OM IZ3LSZ JN65 (x5)

10m

UTC    dB Audio  Message
142715  +1 2509  DL3KBJ IZ3LSZ 73
143630  +3 2089  DO7SHN IZ3LSZ JN65 (x2)
143845  -4 2169  DO9ST IZ3LSZ JN65 (x3)
144115  -5 2169  DN9BT IZ3LSZ JN65 (x4)
185700  -2  317  IZ3LSZ RA6OY KN88 (x3)
134000 -13  760  IZ3LSZ 6W/IK2HKT R-11
134030 -14  760  IZ3LSZ RR73; KD4JG <...> -14

80m

UTC    dB Audio  Message
191600  -5 2546  DF7NO IZ3LSZ JN65
192715  +1  666  IZ3LSZ SP3IPA -23
192800 -13  205  TA1MB IZ3LSZ RR73
192915  +2  666  IZ3LSZ SP3IPA RR73
192930 -13  204  SP3IPA IZ3LSZ 73
192945  +8  666  IZ3LSZ SP3IPA -06
193030 -13  204  SP3IPA IZ3LSZ R-10
193100 -14  204  CQ IZ3LSZ JN65 (x2)
193145  +8  666  IZ3LSZ SP3IPA RR73
193200 -20  204  SP3IPA IZ3LSZ 73
193215  +9  666  IZ3LSZ SP3IPA -03 (x2)
193300 -20  204  CQ IZ3LSZ JN65 (x2)

20m

UTC    dB Audio  Message
125815  -3 2246  TA3EC/QRP IZ3LSZ JN65
124600 -19 2044  IZ3LSZ M8CMG IO91
130615  -5  313  IZ3LSZ R4HNT 73
130845  +9  313  IZ3LSZ R7OV KN87
184745 +18  277  RI1FJL IZ3LSZ JN65 (x4)
185230  +1  275  BG7BVI IZ3LSZ JN65 (x2)
185430 -10  282  BG5GEB IZ3LSZ JN65 (x3)
185600  -1  281  PD3CFG IZ3LSZ -16 (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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