CX8DS — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Uruguay Most frequent locator attributed to this token: GF15

Receiver-side FT8 activity involving CX8DS, decoded by SO8OO in southeastern Poland. 23 FT8 messages attributed to this token as transmitter, on 20m, across 4 UTC dates in the available aggregate history. Observed between 2026-06-13 and 2026-08-27.

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 23 FT8 messages attributed to CX8DS as the transmitting token by decoded message structure across 4 UTC dates in the available aggregate history. The largest monitored-band total was 20 m (100%). Several six-hour UTC windows tied for the largest share (100%), so no unique busiest interval is claimed. Most successfully decoded messages attributed to this token fell in SO8OO's moderate S/N range (87%); the estimated median was -12 dB.

Overview

Messages attributed

UTC dates decoded

Active 15-min windows

-12 dB

Estimated median S/N

Bands

20m · 23

First attributed message: 2026-06-13
Last attributed message: 2026-08-27 21:30 UTC

Observed FT8 message patterns

Attributed sample: 23 messages
Active dates: 4 UTC dates
Estimated median S/N: -12 dB
Estimated 10th-90th percentile: -17 to -11 dB
Recurring-pattern threshold: Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 3, moderate (-15 to -9 dB) 20, strong (≥ -8 dB) 0.

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 CX8DS in decoded directed-looking exchanges:

G7LHK · England ×2 A71AH · Qatar F1PBZ · France F1SZC · France G4CUS · England G4UGV · England IZ2CPP · Italy RA3AJT · European Russia RK3AF · European Russia RW3QJA · European Russia BA4II · China DK7MT · Fed. Rep. of Germany

Most frequent locator attributed to CX8DS

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: GF15 · 7 decoded messages
SO8OO receiver locator: KN09VW
Locator-centre separation: 12,153 km (approx.)
Last such locator decoded: 2026-08-24 21:37 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	CX8DS S/N	Counterpart	Counterpart S/N	Msgs	Capture
09-03 13:57	10m	- / -	SQ8SBP	-16 / -	2	Partial capture
08-28 22:11	20m	- / -	ON3AVT	-14 / -	2	Partial capture
08-28 13:29	20m	- / -16	R6DYK	0 / -	2	✓ Closing fragment
08-27 21:27	20m	-11 / -13	G7LHK	-3 / -8	9	✓ Full exchange observed
08-27 21:27	20m	- / -	F4ILW	+3 / -	7	Partial capture
08-27 21:26	20m	- / -	DL1UDO	-12 / -	3	Partial capture
08-24 21:31	20m	-12 / -	DL4RBR	- / -17	2	✓ Closing fragment
08-24 21:30	20m	-14 / -	JA3ADW	- / -15	2	✓ Closing fragment
08-24 21:28	20m	-14 / -	M0LAD	- / -9	3	✓ Closing fragment
08-24 21:25	20m	-12 / -13	R9FF	-9 / -10	5	✓ Full exchange observed
08-24 21:24	20m	-12 / -15	BA4II	-12 / -17	3	✓ Full exchange observed
08-18 21:36	40m	- / -	PA1PXL	-9 / -	5	Partial capture
08-16 21:17	20m	- / -17	DK7MT	-8 / -	3	✓ Closing fragment
08-16 21:16	20m	- / -	R3BIS	-9 / -	2	Partial capture
08-16 15:25	10m	- / -	I7NOT	-13 / -	5	Partial capture
08-12 21:25	20m	- / -	EA5HM	-12 / -	2	Partial capture
08-01 13:04	10m	- / -18	ON7VZ	-9 / -	2	Partial capture
07-29 14:07	10m	- / +4	G4CUS	-8 / -	3	✓ Closing fragment
07-27 14:17	10m	- / -10	G4UGV	-16 / -	2	✓ Closing fragment
07-27 11:46	20m	- / -	RV6FT	-14 / -	2	✓ Closing fragment
07-26 14:29	10m	- / -16	F1PBZ	+5 / -	3	✓ Closing fragment
07-23 13:57	10m	- / -14	RW3QJA	-1 / -	4	✓ Closing fragment
07-19 14:38	10m	- / -	OZ1HDF	-4 / -	2	Partial capture
07-09 21:32	20m	- / -4	SM5FQQ	+4 / -	3	✓ Closing fragment
07-06 21:15	20m	- / -10	DM5WGL	-1 / -	10	✓ Closing fragment
07-03 21:29	20m	- / -	M7DFM	-4 / -	2	Partial capture
07-03 21:21	20m	- / -24	G1CEC	-4 / -	3	Partial capture
07-03 21:20	20m	- / -11	MM8WXA	+10 / -	3	✓ Closing fragment
07-03 21:17	20m	- / -23	G8RZ	0 / -	2	Partial capture
07-02 21:18	20m	- / -	M0VGB	-11 / -	4	Partial capture
07-02 21:16	20m	- / -13	F6DPA	-3 / -	3	✓ Closing fragment
07-02 21:08	20m	- / -	RW9WC	-24 / -	2	Partial capture
06-30 14:23	10m	- / -2	A71AH	-6 / -	2	✓ Closing fragment
06-28 14:01	10m	- / -1	RK3AF	-8 / -	4	✓ Closing fragment
06-27 14:31	10m	- / -	RK2A	+3 / -	3	Partial capture
06-27 14:24	10m	- / -11	RA3AJT	-1 / -	3	✓ Closing fragment
06-24 21:34	20m	- / -15	IZ5IOS	-4 / -	3	✓ Closing fragment
06-23 21:29	20m	- / -15	G7MYO	-13 / -	4	✓ Closing fragment
06-23 21:21	20m	- / -20	M0VGB	-6 / -	4	Partial capture
06-23 21:21	20m	- / -	M7MHI	-11 / -	3	Partial capture
06-23 21:19	20m	- / -	M7ORI	-15 / -	3	Partial capture
06-23 21:08	20m	- / -	M6GPH	-13 / -	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
140830  -6 2114  CX8DS G4CUS 73
130045  -1  819  CX8DS IT9CCB JM76
130445 -13 1192  CX8DS ON7VZ -18 (x2)
133730 -15 2104  CX8DS IK1QLD JN34
135830  -8  552  CX8DS F5DRD R-26
152500 -14  808  CX8DS I7NOT JN81 (x5)
154500 -13  641  CX8DS F4MLX JN25
135400 -16 2256  CX8DS SQ8SBP KN19 (x3)

20m

UTC    dB Audio  Message
212900  +3 2211  CX8DS F4ILW JN38
212915  -5 2212  CX8DS G7LHK R-13
212930 -10 2514  G7LHK CX8DS RR73
212930  +5 2210  CX8DS F4ILW JN38
212945  -1 2212  CX8DS G7LHK R-13
213000 -12 2514  G7LHK CX8DS RR73
213000  +3 2210  CX8DS F4ILW JN38
213015  -3 2212  CX8DS G7LHK 73
213315  -8 2517  CX8DS ON3AVT JO11
130030 -10  336  CX8DS EX7DY -01
130100 -10  335  CX8DS RR73; VR2VOG <UT2PC> +06
132900  +0 1581  CX8DS R6DYK -16 (x2)
221100 -14 3022  CX8DS ON3AVT JO11 (x2)

40m

UTC    dB Audio  Message
213600 -10 1836  CX8DS PA1PXL JO21 (x5)

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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