S56A — 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: Slovenia Most frequent locator attributed to this token: JN76

Receiver-side FT8 activity involving S56A, decoded by SO8OO in southeastern Poland. 1,802 FT8 messages attributed to this token as transmitter, on 160m, 80m, 60m, 40m, 20m, 10m, across 57 UTC dates in the available aggregate history. Observed between 2026-07-08 and 2026-11-04.

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 1,802 FT8 messages attributed to S56A as the transmitting token by decoded message structure across 57 UTC dates in the available aggregate history. The largest monitored-band total was 80 m (34%), followed by 20 m (22%) and 40 m (22%). Most decodes (66%) fell within the six-hour window 02:00-08:00 UTC. Most successfully decoded messages attributed to this token fell in SO8OO's strong S/N range (86%); the estimated median was 0 dB.

Overview

1,802

Messages attributed

UTC dates decoded

182

Active 15-min windows

0 dB

Estimated median S/N

Bands

160m · 120 80m · 615 60m · 234 40m · 397 20m · 398 10m · 38

First attributed message: 2026-07-08
Last attributed message: 2026-11-04 05:32 UTC

Observed FT8 message patterns

Attributed sample: 1,802 messages
Active dates: 57 UTC dates
Estimated median S/N: 0 dB
Estimated 10th-90th percentile: -11 to +9 dB
Recurring-pattern threshold: Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 82, moderate (-15 to -9 dB) 177, strong (≥ -8 dB) 1,543.

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 S56A in decoded directed-looking exchanges:

DL9KM · Fed. Rep. of Germany ×2 EW2ZC · Belarus ×2 YL2EA · Latvia ×2 9A3AUH · Croatia ×2 CT7BRV · Portugal ×2 G3TKT · England ×2 SM7IUN · Sweden ×2 T77RN · San Marino ×2 7Z1FF · Saudi Arabia DL9NN · Fed. Rep. of Germany DN9TB · Fed. Rep. of Germany GB8VJ · England

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 S56A

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: JN76 · 1,096 decoded messages
SO8OO receiver locator: KN09VW
Locator-centre separation: 631 km (approx.)
Last such locator decoded: 2026-11-04 05:32 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	S56A S/N	Counterpart	Counterpart S/N	Msgs	Capture
11-04 05:30	80m	+4 / -5	SM5CBM	+26 / +1	5	✓ Full exchange observed
11-04 05:28	80m	-4 / -4	HB9TWU	-4 / 0	5	✓ Full exchange observed
11-04 05:27	80m	-2 / -	DA6PP	- / -	2	Partial capture
11-04 05:26	80m	0 / -	HB9AMO	+12 / -3	4	✓ Closing observed
11-04 05:15	80m	+12 / -	DO1BOC	- / -9	3	✓ Closing fragment
11-04 05:09	80m	+3 / -	DO5AX	-9 / -22	3	✓ Closing observed
11-04 05:07	80m	+8 / -9	DD8BA	-4 / -4	4	✓ Full exchange observed
11-04 05:05	80m	+7 / -11	CT7BRV	-13 / -	3	✓ Closing observed
11-04 05:02	80m	+9 / -1	OM3ZAS	-4 / -5	5	✓ Full exchange observed
11-04 05:00	80m	+8 / +2	R2FEA	0 / -6	6	✓ Full exchange observed
11-04 04:59	80m	+13 / -	6W/IK2HKT	- / -	3	Partial capture
11-04 04:58	80m	+11 / -	RZ3ZY	- / -16	2	✓ Closing fragment
11-04 04:56	80m	+5 / +7	OK4KOP	+16 / -4	4	✓ Full exchange observed
11-04 04:55	80m	+10 / 0	DO4EB	-20 / -	3	✓ Closing observed
11-04 04:53	80m	+4 / -4	T77RN	-7 / -18	5	✓ Full exchange observed
11-04 04:50	80m	- / -	LY7M	+14 / -	2	✓ Closing fragment
11-04 04:46	80m	+15 / -	DO2ZZ	- / -6	4	✓ Closing fragment
11-04 04:45	80m	+12 / -12	DJ3AK	+6 / -	3	✓ Closing observed
11-04 04:43	80m	+21 / -	TF3VG	- / -12	3	✓ Closing fragment
11-04 04:40	80m	+8 / -15	RK3AW/P	-12 / -10	6	✓ Full exchange observed
11-04 04:39	80m	+6 / -5	UR5TOB	-4 / -15	5	✓ Full exchange observed
11-04 04:37	80m	+10 / -	DB2TE	- / -18	3	✓ Closing fragment
11-04 04:35	160m	-2 / -	UX7QV	- / -	3	Partial capture
11-04 04:34	160m	+10 / -	LA6YEA	- / -	2	Partial capture
11-04 04:32	160m	+4 / -	HB0CC	- / -	2	Partial capture
11-04 04:31	160m	-1 / -13	Z35Z	-13 / -24	5	✓ Full exchange observed
11-02 22:12	40m	- / -9	ON1JP	-21 / -	3	Partial capture
11-02 21:40	40m	- / -9	UA6YW	-13 / -	3	✓ Closing fragment
11-02 20:43	160m	-8 / -	6W/IK2HKT	- / -	2	Partial capture
11-02 20:40	160m	- / -14	DF4FS	-13 / -	3	✓ Closing fragment
11-02 20:38	160m	- / -4	DG4MK	-18 / -	2	✓ Closing fragment
11-02 20:37	160m	- / -	UA4FKT	+4 / -	2	Partial capture
11-02 20:36	160m	-1 / -7	SQ9BC	+14 / -1	4	✓ Full exchange observed
11-02 20:34	160m	-1 / -1	IZ7NLJ	+2 / +1	7	✓ Full exchange observed
11-02 20:32	160m	-7 / -1	IK3/UY7LA	-4 / -5	3	Partial capture
11-02 20:30	40m	- / -15	RL7G	-8 / -	2	Partial capture
10-31 17:47	60m	- / -10	SP4HXV	-13 / -	2	Partial capture
10-31 17:44	60m	+8 / -	T77RN	- / -3	3	✓ Closing fragment
10-31 17:42	60m	+13 / -	GM0MKM/A	- / -	3	Partial capture
10-31 17:41	60m	+1 / -	UN7EG	- / -13	3	✓ Closing fragment
10-31 17:30	40m	-8 / -	GB2BOO	- / -22	3	✓ Closing fragment
10-31 05:51	80m	+5 / -	SQ100LKK	- / -	8	Partial capture
10-31 05:46	80m	+6 / -	6W/IK2HKT	- / -	6	Partial capture
10-31 05:44	80m	+4 / -	SQ100LKK	- / -	4	Partial capture
10-31 05:38	80m	-3 / -	6W/IK2HKT	- / -	10	Partial capture
10-28 06:23	40m	-11 / -	F4CHC	-9 / -15	3	✓ Closing observed
10-28 06:21	40m	-1 / -	EW4M	- / -	2	✓ Closing fragment
10-28 06:09	40m	-9 / -	9A5ZD	- / -	2	Partial capture
10-28 06:06	40m	-8 / +1	GJ0KYZ	-5 / -14	3	✓ Full exchange observed
10-28 06:05	40m	-9 / -	DH2NJS	-13 / -9	6	✓ Full exchange observed

Recent FT8 messages decoded at SO8OO

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

80m

UTC    dB Audio  Message
052700 +12  932  S56A HB9AMO RR73
052715  +0  933  HB9AMO S56A 73
052745  -3 2282  DA6PP S56A JN76 (x2)
052845  -7 2349  HB9TWU S56A JN76
052900  -8 2349  S56A HB9TWU -04
052915  -4 2349  HB9TWU S56A R+00
052930  -1 2349  S56A HB9TWU RR73
052945  -2 2349  HB9TWU S56A 73
053015  +1 2874  SM5CBM S56A JN76
053030 +27 2873  S56A SM5CBM -05
053045  +5 2874  SM5CBM S56A R+01
053100 +26 2873  S56A SM5CBM RRR
053115  +7 2874  SM5CBM S56A 73
053245  +2  616  6W/IK2HKT S56A JN76

160m

UTC    dB Audio  Message
204130 -14 1498  S56A DF4FS RR73
204315 -10  545  6W/IK2HKT S56A JN76 (x2)
043115  -3 1824  Z35Z S56A JN76
043130 -14 1824  S56A Z35Z -13
043145  +1 1824  Z35Z S56A R-24
043200 -12 1824  S56A Z35Z RR73
043215  -1 1825  Z35Z S56A 73
043245  +4 1277  HB0CC S56A JN76 (x2)
043400 +10  358  LA6YEA S56A JN76 (x2)
043500  -3 1510  UX7QV S56A JN76 (x3)

40m

UTC    dB Audio  Message
062345  -8 1259  F4CHC S56A RR73
062400  -9 1259  S56A F4CHC JO00
173000 -11 1182  GB2BOO S56A R-22 (x3)
173200 -10 1920  UN7LEW S56A JN76
203045 -13 2462  S56A RL7G -15 (x2)
213600 -23 1740  S56A TA2EE KM69
214030 -16 1271  S56A UA6YW LN04 (x3)
221215 -23 1278  S56A ON1JP -09 (x3)

60m

UTC    dB Audio  Message
052600  +5 1956  CQ S56A JN76
052630  +6 1956  S52AS S56A -13
052645 -13 1146  S56A S52AS R-08
052700  +5 1956  S52AS S56A RR73
174115  +3 1958  UN7EG S56A JN76 (x3)
174245 +14  467  GM0MKM/A S56A JN76 (x3)
174445  +8 2338  T77RN S56A JN76 (x3)
174700 -12 2258  S56A SP4HXV -10 (x2)

10m

UTC    dB Audio  Message
101815  -7  742  M3NRX S56A 73
083500 -20 2080  S56A R6ZIG RR73
091315 -11 1568  F4JOO S56A JN76 (x2)
091430  -9 1568  S56A F4JOO -01
091445 -11 1567  F4JOO S56A R-08
091500  -8 1568  S56A F4JOO -01 (x2)
091715 -14 1538  UB3LBU S56A R-03 (x2)
072000  +0 2544  S56A R6OK +05 (x2)
095330 -13 2247  S56A <...> -05
073300 -17 2272  S56A 7Z1FF -06 (x2)

20m

UTC    dB Audio  Message
075745  +0 1804  OJ0YL S56A JN76 (x3)
084230  -3 1641  UA9LCY S56A JN76 (x2)
084330  +6  485  <...> S56A JN76 (x2)
053845  +5 1310  S56A GB64MOD +25
114700 -13 1371  S56A G5JCC IO93 (x2)
115300  +4  500  S56A TA3KJ -12 (x2)
093330  -1 2105  S56A II7MGBT -09
055900  -8  886  NI6CH S56A JN76
065945 -18 1101  KH8WW S56A JN76

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

5 CW reception events in the last 30 days.

40m: 1 events; last heard 2026-11-01 08:58 UTC
80m: 4 events; last heard 2026-11-01 07:05 UTC

Latest CW receptions

UTC	Band	kHz	S/N · 500 Hz	WPM	Listen
2026-11-01 08:58:43	40m	7019.890	8.1 dB	—	WebSDR ↗
2026-11-01 07:05:29	80m	3518.503	5.4 dB	27.1	WebSDR ↗
2026-11-01 06:58:06	80m	3518.503	10.7 dB	27.5	WebSDR ↗
2026-10-18 02:39:12	80m	3524.180	22.8 dB	25.2	WebSDR ↗
2026-10-18 02:03:33	80m	3521.303	35.8 dB	25.5	WebSDR ↗

CW reception history

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