BA5AN — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: China Most frequent locator attributed to this token: PM00

Receiver-side FT8 activity involving BA5AN, decoded by SO8OO in southeastern Poland. 338 FT8 messages attributed to this token as transmitter, on 80m, 40m, 20m, across 11 UTC dates in the available aggregate history. Observed between 2026-06-15 and 2026-09-05.

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 338 FT8 messages attributed to BA5AN as the transmitting token by decoded message structure across 11 UTC dates in the available aggregate history. The largest monitored-band total was 80 m (53%), followed by 40 m (24%) and 20 m (23%). Most decodes (99%) fell within the six-hour window 16:00-22:00 UTC. Received S/N was mixed across SO8OO's weak, moderate and strong ranges; the estimated median was -14 dB.

Overview

338

Messages attributed

UTC dates decoded

Active 15-min windows

-14 dB

Estimated median S/N

Bands

80m · 180 40m · 81 20m · 77

First attributed message: 2026-06-15
Last attributed message: 2026-09-05 16:46 UTC

Observed FT8 message patterns

Attributed sample: 338 messages
Active dates: 11 UTC dates
Estimated median S/N: -14 dB
Estimated 10th-90th percentile: -20 to -9 dB
Recurring-pattern threshold: Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 119, moderate (-15 to -9 dB) 190, strong (≥ -8 dB) 29.

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 BA5AN in decoded directed-looking exchanges:

9A4N · Croatia ×2 DH2RL · Fed. Rep. of Germany ×2 EC1A · Spain ×2 ON7FD · Belgium ×2 R3KFT · European Russia ×2 UA3QNA · European Russia ×2 UA3VVA · European Russia ×2 YO4NT · Romania ×2 UA9CR · Asiatic Russia ×2 RX6DA · European Russia ×2 UR3EO · Ukraine ×2 4Z1GY · Israel

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 BA5AN

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: PM00 · 208 decoded messages
SO8OO receiver locator: KN09VW
Locator-centre separation: 8,068 km (approx.)
Last such locator decoded: 2026-09-05 16:45 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	BA5AN S/N	Counterpart	Counterpart S/N	Msgs	Capture
09-19 15:20	40m	- / -24	US8KA	+13 / -	3	Partial capture
09-19 15:11	40m	- / -16	R6DVV	-10 / -	4	✓ Closing fragment
09-19 15:01	40m	- / -19	US8KA	+16 / -	4	✓ Closing fragment
09-19 13:59	40m	- / -	R3VA	0 / -	3	Partial capture
09-05 19:31	80m	- / -14	YL3OI	+8 / -	2	✓ Closing fragment
09-05 19:22	80m	- / -	RW3FY	0 / -	2	Partial capture
09-05 19:18	80m	- / -19	R3VA	-5 / -	5	✓ Closing fragment
09-05 18:38	80m	- / -9	OZ7KJ/P	0 / -	2	✓ Closing fragment
09-05 18:35	80m	- / -17	OH8JP	0 / -	5	✓ Closing fragment
09-05 18:06	80m	- / -10	OZ7KJ/P	+4 / -	6	Partial capture
09-05 17:36	80m	- / -18	UR5SG	+17 / -	3	✓ Closing fragment
09-05 16:45	80m	-16 / +3	R1943OD	+18 / +2	3	Partial capture
09-05 16:31	80m	- / -	OH4BW	-10 / -	3	Partial capture
09-05 16:12	80m	-17 / -	UA1OMS	- / -	2	Partial capture
09-04 21:53	80m	- / -14	OE4AAC	+7 / -	3	✓ Closing fragment
09-04 21:52	80m	- / -17	I1APQ	-11 / -	6	Partial capture
09-04 21:51	80m	- / -13	S52F	+10 / -	2	✓ Closing fragment
09-04 21:40	80m	-20 / -	DK3UA	- / -	3	Partial capture
09-04 21:37	80m	-22 / -	UG4P	- / -	2	Partial capture
09-04 21:31	80m	- / -14	HA7JTR	+14 / -	2	Partial capture
09-04 21:26	80m	- / -14	OK1UOZ	+13 / -	7	✓ Closing fragment
09-04 21:24	80m	- / -9	SP6JZL	+18 / -	4	✓ Closing fragment
09-04 20:14	80m	- / -	SP2FNC	-14 / -	2	Partial capture
09-04 20:13	80m	- / -22	SP9LCW	+13 / -	8	✓ Closing fragment
09-04 20:03	80m	- / -	OH1TM	-2 / -	3	Partial capture
09-04 20:00	80m	- / -	UW5KW	+8 / -	5	Partial capture
09-04 20:00	80m	- / -15	SN40KZE	+8 / -	3	Partial capture
09-04 19:59	80m	- / -	EA5GO	-14 / -	2	Partial capture
09-04 19:26	80m	- / -19	UR3EO	+11 / -	5	✓ Closing fragment
09-04 19:17	80m	- / -17	UR3EO	+12 / -	4	✓ Closing fragment
09-04 19:10	80m	- / -	OZ2LIN	+2 / -	3	Partial capture
09-04 19:10	80m	- / -12	R6CW	-13 / -	3	Partial capture
09-04 19:08	80m	- / -25	IK2TDM	+4 / -	2	Partial capture
09-04 19:08	80m	- / -23	9A4N	+16 / -	5	✓ Closing fragment
09-04 19:04	80m	- / -	ON5RZ	-9 / -	7	Partial capture
09-04 19:04	80m	- / -13	OH8MSG	-2 / -	2	✓ Closing fragment
09-04 19:00	80m	- / -12	IW8RQA	+4 / -	2	✓ Closing fragment
09-04 18:58	80m	- / -13	DO1ABW	+3 / -	3	✓ Closing fragment
09-04 18:45	80m	- / -	OK1YQ	+9 / -	4	Partial capture
09-04 18:43	80m	- / -17	YL3HI	+2 / -	3	Partial capture
09-04 18:41	80m	- / -	IK0SHH	+2 / -	2	Partial capture
09-04 18:39	80m	- / -	HA1RJ	+14 / -	3	Partial capture
09-04 18:39	80m	- / -18	PA1HD	+12 / -	2	✓ Closing fragment
09-04 18:36	80m	- / -	DC8SM	-2 / -	4	Partial capture
09-04 18:34	80m	- / -5	S51DI	+8 / -	4	✓ Closing fragment
09-04 18:31	80m	- / -15	IK0SHH	-5 / -	14	Partial capture
09-04 18:25	80m	- / -	IK0SHH	+1 / -	6	Partial capture
09-04 18:24	80m	- / -	UR3EO	+9 / -	3	Partial capture
09-04 18:24	80m	- / -16	RA1WP	+1 / -	2	✓ Closing fragment
09-04 18:09	80m	- / -	IK6FWJ	+7 / -	2	Partial capture

Recent FT8 messages decoded at SO8OO

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

40m

UTC    dB Audio  Message
135930  -3 2829  BA5AN R3VA LO05 (x2)
150130 +17  641  BA5AN US8KA -19 (x4)
150500 -10 2035  BA5AN RN3N -22
151030 -10  839  BA5AN UA3PTK -13
151100  -8 1859  BA5AN R6DVV -16 (x4)
152030 +12  641  BA5AN US8KA -24 (x3)

80m

UTC    dB Audio  Message
183530  -2 1719  BA5AN OH8JP -10 (x4)
183800  -3 1227  BA5AN OZ7KJ/P -09 (x2)
191830  -6 1298  BA5AN R3VA -19 (x5)
192200  +0  286  BA5AN RW3FY KO95 (x2)
193130  +6 2679  BA5AN YL3OI -14 (x2)

20m

UTC    dB Audio  Message
220930  -6  686  BA5AN M0SLI -17 (x4)
145100 -10 2733  BA5AN SP3SLA -08 (x3)
150500  +3 2555  BA5AN R2GCV -12
144945  +8 2479  BA5AN RQ6B KN94 (x4)
225515 -11 2091  BA5AN 9A7W -10 (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.

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