LA5SJA — 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: Norway Most frequent locator attributed to this token: KQ50

Receiver-side FT8 activity involving LA5SJA, decoded by SO8OO in southeastern Poland. 99 FT8 messages attributed to this token as transmitter, on 60m, 20m, 10m, across 9 UTC dates in the available aggregate history. Observed between 2026-06-14 and 2026-11-06.

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 99 FT8 messages attributed to LA5SJA as the transmitting token by decoded message structure across 9 UTC dates in the available aggregate history. The largest monitored-band total was 10 m (34%), followed by 60 m (33%) and 20 m (32%). Most decodes (57%) fell within the six-hour window 11:00-17:00 UTC. Received S/N was mixed across SO8OO's weak, moderate and strong ranges; the estimated median was -9 dB.

Overview

Messages attributed

UTC dates decoded

Active 15-min windows

-9 dB

Estimated median S/N

Bands

60m · 33 20m · 32 10m · 34

First attributed message: 2026-06-14
Last attributed message: 2026-11-06 12:11 UTC

Observed FT8 message patterns

Attributed sample: 99 messages
Active dates: 9 UTC dates
Estimated median S/N: -9 dB
Estimated 10th-90th percentile: -16 to 0 dB
Recurring-pattern threshold: Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 10, moderate (-15 to -9 dB) 41, strong (≥ -8 dB) 48.

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 LA5SJA in decoded directed-looking exchanges:

IK6DLK · Italy ×2 PA0GSP · Netherlands S58T · Slovenia ES2AJ · Estonia R1QBQ · European Russia RN1CW · European Russia DH3YAK · Fed. Rep. of Germany DL1IP · Fed. Rep. of Germany DL8UD · Fed. Rep. of Germany EB5R · Spain ER1CW · Moldova ER3UA · Moldova

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 LA5SJA

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: KQ50 · 33 decoded messages
SO8OO receiver locator: KN09VW
Locator-centre separation: 2,336 km (approx.)
Last such locator decoded: 2026-11-06 12:11 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	LA5SJA S/N	Counterpart	Counterpart S/N	Msgs	Capture
11-06 12:06	10m	+1 / -	<...>	- / -	11	Partial capture
11-06 11:59	10m	-7 / -	<...>	- / -	6	Partial capture
11-06 11:49	10m	-12 / -	<...>	- / -	9	Partial capture
11-06 11:46	10m	-8 / -	DL3NA	- / -12	2	Partial capture
11-06 11:45	10m	-10 / -	S58T	- / -9	2	✓ Closing fragment
11-06 11:44	10m	-12 / -	PA0GSP	- / -1	2	✓ Closing fragment
11-06 11:38	10m	-14 / -	SO5WD	- / -12	2	Partial capture
10-31 10:04	10m	- / -9	TC4ATA	-6 / -	2	Partial capture
10-05 18:19	160m	- / -16	OH5KNL	0 / -	4	Partial capture
10-05 18:15	160m	- / -16	R9CS/P	-13 / -	2	Partial capture
10-05 18:15	160m	- / -	OH5KNL	+2 / -	3	Partial capture
10-05 18:12	160m	- / -11	ES2AJ	+8 / -	3	✓ Closing fragment
10-02 20:54	60m	-8 / -18	ER5DX	+8 / -22	4	✓ Full exchange observed
10-02 19:27	60m	-8 / -13	DL1IP	-5 / -12	4	✓ Full exchange observed
10-02 19:26	60m	-10 / -	HF1Z	- / 0	2	Partial capture
10-02 19:24	60m	-6 / -6	F5LMJ	-8 / -15	4	✓ Full exchange observed
10-02 19:24	60m	-8 / -	PE1BTV	- / -13	2	✓ Closing fragment
10-02 19:22	60m	-9 / -	EB5R	- / -20	3	✓ Closing fragment
10-02 19:21	60m	-10 / -8	ON7KEI	-14 / -11	5	✓ Full exchange observed
09-22 18:43	60m	-7 / -11	SQ9LOJ	-2 / -	4	✓ Closing observed
09-22 18:41	60m	-8 / -10	F5MYK	-12 / -9	5	✓ Full exchange observed
09-22 18:39	60m	-9 / -	ER3UA	-3 / -13	5	✓ Closing observed
09-22 18:31	160m	- / -9	RN1CW	-16 / -	2	✓ Closing fragment
09-21 22:02	40m	- / -	ON1PK	-10 / -	2	Partial capture
09-20 20:49	60m	-20 / -4	IK6DLK	-6 / -8	5	✓ Full exchange observed
09-20 20:46	60m	- / -	IK6DLK	-4 / -	2	Partial capture
09-20 20:46	60m	-22 / -7	OE3UKW	+7 / -16	8	✓ Full exchange observed
09-20 20:45	60m	-20 / -11	ER1CW	-6 / -21	3	✓ Full exchange observed
09-20 19:03	80m	- / -	DK7TX	+8 / -	3	✓ Closing fragment
09-20 18:59	60m	- / -10	G4ZFJ	+5 / -	5	✓ Closing fragment
09-20 18:59	60m	-24 / -22	DH3YAK	-4 / -13	5	✓ Full exchange observed
09-20 18:56	60m	- / -15	DL8UD	+4 / -	2	✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

10m

UTC    dB Audio  Message
120045 -11 2441  <...> LA5SJA KQ50 (x15)

160m

UTC    dB Audio  Message
190030 -13 2647  LA5SJA R1QBQ RR73
183130 -17 1479  LA5SJA RN1CW R-09 (x2)
181230  +6 2270  LA5SJA ES2AJ KO29 (x3)
181500  +0 2203  LA5SJA OH5KNL KP30
181530 -12 2535  LA5SJA R9CS/P -16
181530  +2 2203  LA5SJA OH5KNL KP30
181600 -14 2536  LA5SJA R9CS/P -16
181600  +3 2203  LA5SJA OH5KNL KP30 (x5)

60m

UTC    dB Audio  Message
192430  -8 2470  PE1BTV LA5SJA RR73
192445  -9 2468  LA5SJA F5LMJ JN28
192500  -4 2470  F5LMJ LA5SJA -15
192515  -8 2468  LA5SJA F5LMJ R-06
192530  -7 2469  F5LMJ LA5SJA RR73
192600  -9 2470  HF1Z LA5SJA +00 (x2)
192700  -9 2469  DL1IP LA5SJA -12
192715  -3 2469  LA5SJA DL1IP R-13
192730  -7 2470  DL1IP LA5SJA RR73
192745  -7 2469  LA5SJA DL1IP 73
205445  +8 2766  LA5SJA ER5DX -18
205500  -9 2664  ER5DX LA5SJA R-22
205515  +7 2766  LA5SJA ER5DX RR73
205530  -7 2664  ER5DX LA5SJA 73

40m

UTC    dB Audio  Message
220230  -9 1534  LA5SJA PD0LBY JO22
220230  -9 1237  LA5SJA ON1PK JO20 (x2)

80m

UTC    dB Audio  Message
190330 +11 2117  LA5SJA IQ4JO R-23
190330  -4 1960  LA5SJA DO7MEW JO42
190330  +7 2075  LA5SJA DK7TX JO31 (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.

CW

No CW receptions recorded for this callsign in the last 30 days.

Explore CW reception at SO8OO

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