DK0ACI — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Fed. Rep. of Germany Most frequent locator attributed to this token: JO30

Receiver-side FT8 activity involving DK0ACI, decoded by SO8OO in southeastern Poland. 3,297 FT8 messages attributed to this token as transmitter, on 80m, 40m, 20m, 10m, across 29 UTC dates in the available aggregate history. Observed between 2026-07-02 and 2026-08-30.

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 3,297 FT8 messages attributed to DK0ACI as the transmitting token by decoded message structure across 29 UTC dates in the available aggregate history. The largest monitored-band total was 40 m (51%), followed by 80 m (45%) and 20 m (3%). Most decodes (81%) fell within the six-hour window 17:00-23:00 UTC. Most successfully decoded messages attributed to this token fell in SO8OO's strong S/N range (65%); the estimated median was -6 dB.

Overview

3,297

Messages attributed

UTC dates decoded

267

Active 15-min windows

-6 dB

Estimated median S/N

Bands

80m · 1,494 40m · 1,676 20m · 95 10m · 32

First attributed message: 2026-07-02
Last attributed message: 2026-08-30 21:03 UTC

Observed FT8 message patterns

Attributed sample: 3,297 messages
Active dates: 29 UTC dates
Estimated median S/N: -6 dB
Estimated 10th-90th percentile: -12.4 to +1.6 dB
Recurring-pattern threshold: Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 119, moderate (-15 to -9 dB) 1,030, strong (≥ -8 dB) 2,148.

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 DK0ACI in decoded directed-looking exchanges:

F5RRS · France ×7 CT7AUT · Portugal ×5 EW8AAC · Belarus ×5 HA7TM · Hungary ×5 F1IQH · France ×4 DL3MIB · Fed. Rep. of Germany ×4 DL1UDO · Fed. Rep. of Germany ×4 DO2RG · Fed. Rep. of Germany ×4 DM5JBN · Fed. Rep. of Germany ×3 LZ2VQ · Bulgaria ×3 DD7EE · Fed. Rep. of Germany ×3 DL3BH · Fed. Rep. of Germany ×3

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 DK0ACI

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: JO30 · 1,144 decoded messages
SO8OO receiver locator: KN09VW
Locator-centre separation: 1,053 km (approx.)
Last such locator decoded: 2026-08-30 20:59 UTC

Other locator fields attributed to this token: JO31 (35) and JO43 (10).

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	DK0ACI S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-30 21:03	80m	-4 / -12	GM3AND	-12 / -13	4	✓ Full exchange observed
08-30 21:02	80m	-8 / -7	EC5M	-4 / 0	4	✓ Full exchange observed
08-29 21:01	160m	- / -13	DO3VE	+4 / -	2	✓ Closing fragment
08-29 20:59	160m	- / -11	OE4KQW	-10 / -	2	✓ Closing fragment
08-29 20:53	160m	- / +4	I1BEP	-18 / -	2	✓ Closing fragment
08-29 20:45	160m	- / -2	DL1KVN	-18 / -	2	✓ Closing fragment
08-29 20:32	80m	-6 / -	DO9YU	- / +10	4	Partial capture
08-29 20:28	80m	-6 / -	DJ2MS	- / -14	4	✓ Closing fragment
08-29 20:26	80m	-5 / -	DO9YU	- / +4	2	Partial capture
08-29 20:24	80m	-5 / -	SP9TEX	- / +7	3	Partial capture
08-29 20:22	80m	- / -	DL5DQZ	-4 / -	8	Partial capture
08-29 20:16	80m	-16 / -	DO9YU	- / -4	4	Partial capture
08-29 20:14	80m	-8 / -4	IQ4JO	-3 / +6	4	✓ Full exchange observed
08-29 20:13	80m	-13 / -6	DD7EE	+3 / -	3	✓ Closing observed
08-29 20:04	80m	-10 / -5	HG0NPJ	-6 / -	2	✓ Closing observed
08-29 20:02	80m	-17 / -11	II7MGXX	+1 / 0	2	Partial capture
08-29 19:58	80m	- / +3	5P1KZX	+10 / -	2	✓ Closing fragment
08-29 19:56	80m	- / -8	IU3MAG	-2 / -	4	Partial capture
08-29 19:47	80m	-20 / 0	DO2BBC	+1 / -	3	✓ Closing observed
08-29 19:44	80m	-13 / -	LY7Z	- / +6	2	Partial capture
08-29 19:41	80m	-10 / -9	DL3MIB	-4 / +4	4	✓ Full exchange observed
08-29 19:33	80m	- / -14	DO1DAH	-2 / -	6	✓ Closing fragment
08-29 19:21	80m	-15 / -	UT2PC	+16 / +9	4	✓ Closing observed
08-29 19:20	80m	-16 / -14	HG0NPJ	+7 / -	3	✓ Closing observed
08-29 19:20	80m	-14 / -	DO9YU	- / 0	2	Partial capture
08-29 17:24	40m	-7 / -	LY2BSW	- / -6	2	✓ Closing fragment
08-29 17:22	40m	-7 / -	R4AAR	- / -12	3	Partial capture
08-29 17:21	40m	- / +5	OE2CAL	+16 / -	2	✓ Closing fragment
08-29 17:19	40m	-10 / -	M0PPT	0 / +1	3	✓ Closing observed
08-29 17:15	40m	-7 / -	R1DM	- / +5	2	Partial capture
08-29 17:01	40m	-3 / -14	LX7I	+5 / -7	9	✓ Full exchange observed
08-29 16:56	40m	-5 / 0	II7MGXX	-10 / +3	2	Partial capture
08-29 16:54	40m	-9 / +1	M6XZD	-18 / +2	6	Partial capture
08-29 16:53	40m	-4 / -	F5TYY	- / -1	2	✓ Closing fragment
08-29 16:48	40m	- / -2	G4DBW	-6 / -	2	✓ Closing fragment
08-29 16:43	40m	-8 / -	YL3AKH	+2 / -10	4	✓ Closing observed
08-29 16:43	40m	-6 / -	F5HNQ	- / +10	2	✓ Closing fragment
08-29 13:04	20m	- / -15	UA3VVA	-7 / -	8	Partial capture
08-29 11:53	40m	- / -9	OK1FED	-6 / -	3	✓ Closing fragment
08-29 11:31	40m	- / +1	9A6TT	-8 / -	2	✓ Closing fragment
08-28 21:42	160m	- / -15	SP3CUG	+6 / -	3	✓ Closing fragment
08-28 21:41	160m	- / -6	F1PBZ	-5 / -	3	Partial capture
08-28 21:40	40m	+5 / -17	PB1PCH	-1 / -9	12	Partial capture
08-28 21:38	40m	0 / -	M8JJS	- / -20	3	Partial capture
08-28 21:36	40m	0 / -6	EU2AAI	+1 / -1	7	✓ Full exchange observed
08-28 21:34	40m	+7 / -	F4MID	- / -3	2	✓ Closing fragment
08-28 21:33	40m	0 / 0	ON4SS	-2 / +1	4	✓ Full exchange observed
08-28 21:31	40m	-2 / -	YO4KMU	- / -1	3	Partial capture
08-28 21:28	40m	-2 / -	SQ5AKY	- / -8	2	✓ Closing fragment
08-28 21:16	40m	+2 / -	PD2XX	- / +10	7	Partial capture

Recent FT8 messages decoded at SO8OO

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

80m

UTC    dB Audio  Message
203130  -1 1516  CQ SES DK0ACI JO30 (x2)
203230  -7 1516  DO9YU DK0ACI +10 (x4)
210145  -9  754  ON5VKE DK0ACI +04
210215 -11  754  EC5M DK0ACI +00
210230  -4 1815  DK0ACI EC5M R-07
210245  -6  753  EC5M DK0ACI RR73
210300  -5 1815  DK0ACI EC5M 73
210315  -4  754  GM3AND DK0ACI -13
210330  -8  953  DK0ACI GM3AND R-12
210345  -3  753  GM3AND DK0ACI RR73
210400 -16  953  DK0ACI GM3AND 73

40m

UTC    dB Audio  Message
172000 -11  483  M0PPT DK0ACI 73
172030 -10  483  2E0MRK DK0ACI -05
172145 +18  817  DK0ACI OE2CAL R+05 (x2)
172230  -7  483  R4AAR DK0ACI -12 (x3)
172400  -8  483  LY2BSW DK0ACI -06 (x2)
172600 -13  483  R1BED DK0ACI 73
172630 -10  483  IR7MGGC DK0ACI +09
172645  +3  909  DK0ACI GB64MOD R+06
205900  -6 1789  CQ SES DK0ACI JO30
205930  -4 1789  SV9QWC DK0ACI -15
210015  -7 1789  DF2IX DK0ACI +06

160m

UTC    dB Audio  Message
214130  -7 2592  DK0ACI F1PBZ -06
214200  +5  954  DK0ACI SP3CUG JO82
214200  -7 2592  DK0ACI F1PBZ -06
214230  +8  954  DK0ACI SP3CUG R-15
214230  -2 2592  DK0ACI F1PBZ -06
214300  +6  954  DK0ACI SP3CUG 73
204100 -21 1134  DK0ACI G4ITR 73
204545 -19 1100  DK0ACI DL1KVN R-02 (x2)
205345 -18 2044  DK0ACI I1BEP R+04 (x2)
205945 -12 1519  DK0ACI OE4KQW R-11 (x2)
210115  +6  718  DK0ACI DO3VE R-13 (x2)

20m

UTC    dB Audio  Message
125215  -4 1475  DK0ACI IU1DXU R-02 (x2)
125345  +6 2263  DK0ACI F1UNR R-05 (x3)
125500 -12  410  CQ SES DK0ACI JO30 (x2)
130415  -5 1801  DK0ACI UA3VVA R-15 (x8)

10m

UTC    dB Audio  Message
143315 -10  501  HG1DRC DK0ACI -08 (x2)
143445  -6  501  HG5OEV DK0ACI -08 (x3)
143615  -8  501  CQ DK0ACI JO30 (x2)
143930  -6  501  SP9NSQ DK0ACI R-02 (x2)
144030 -10  500  CQ DK0ACI JO30                        a1 (x3)
144315  -9  501  SQ8AA DK0ACI RR73
144415  -8  501  CQ DK0ACI JO30 (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.

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