DL3RSK — 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 DL3RSK, decoded by SO8OO in southeastern Poland. 745 FT8 messages attributed to this token as transmitter, on 80m, 60m, 40m, 20m, 10m, across 30 UTC dates in the available aggregate history. Observed between 2026-07-24 and 2026-09-12.

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 745 FT8 messages attributed to DL3RSK as the transmitting token by decoded message structure across 30 UTC dates in the available aggregate history. The largest monitored-band total was 80 m (54%), followed by 40 m (18%) and 10 m (18%). Most decodes (59%) fell within the six-hour window 17:00-23:00 UTC. Received S/N was mixed across SO8OO's weak, moderate and strong ranges; the estimated median was -14 dB.

Overview

745

Messages attributed

UTC dates decoded

114

Active 15-min windows

-14 dB

Estimated median S/N

Bands

80m · 403 60m · 25 40m · 136 20m · 46 10m · 135

First attributed message: 2026-07-24
Last attributed message: 2026-09-12 22:08 UTC

Observed FT8 message patterns

Attributed sample: 745 messages
Active dates: 30 UTC dates
Estimated median S/N: -14 dB
Estimated 10th-90th percentile: -24 to -8 dB
Recurring-pattern threshold: Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 315, moderate (-15 to -9 dB) 351, strong (≥ -8 dB) 79.

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 DL3RSK in decoded directed-looking exchanges:

EG5MYC · Spain ×2 HA7TM · Hungary ×2 DN9SCH · Fed. Rep. of Germany GM6DX · Scotland IU2IKT · Italy IZ0ZIP · Italy LZ1LZ · Bulgaria RK3AW · European Russia SN1B · Poland SP3AVS · Poland SP7TF · Poland SP9JZ · Poland

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 DL3RSK

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 · 501 decoded messages
SO8OO receiver locator: KN09VW
Locator-centre separation: 1,053 km (approx.)
Last such locator decoded: 2026-09-12 22:08 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	DL3RSK S/N	Counterpart	Counterpart S/N	Msgs	Capture
09-12 22:06	60m	- / -	F4BYA	+4 / -	6	Partial capture
09-12 21:58	60m	-10 / -16	HA7TM	+8 / -	6	✓ Full exchange observed
09-12 21:52	60m	-13 / -	LB6NK	-22 / -5	10	✓ Closing observed
09-12 21:50	60m	-17 / -1	DD6ZV	+1 / -	3	✓ Full exchange observed
09-12 21:49	60m	-14 / -13	US2YW	+4 / -	4	✓ Closing observed
09-12 21:48	60m	-18 / -2	LB5WB	-10 / -	4	✓ Full exchange observed
09-12 21:47	60m	- / -	G0AZH	-6 / -	3	Partial capture
09-12 21:46	60m	-17 / -2	DL4YDR	-10 / -	5	✓ Closing observed
09-10 18:14	80m	- / -	DL5JMN	-1 / -	3	Partial capture
09-10 18:13	80m	- / -11	DL1HB	+4 / -	2	✓ Closing fragment
09-10 18:11	80m	- / -	DL5JMN	-2 / -	2	Partial capture
09-10 18:07	80m	- / -	DL5JMN	+9 / -	4	Partial capture
08-27 20:11	20m	-22 / -	DL5SUA	- / -	4	Partial capture
08-27 20:09	20m	-18 / -14	EA8DNB	-14 / -	4	Partial capture
08-27 20:00	20m	- / -12	SV5BYP	-3 / -	4	✓ Closing fragment
08-26 22:09	20m	-12 / -	LB8TG	- / -	5	Partial capture
08-26 22:08	20m	-15 / -17	9K2YM	+12 / +7	5	✓ Full exchange observed
08-26 21:52	40m	-18 / -	IU2BZV	- / -	2	Partial capture
08-26 21:39	40m	- / -	DH1KJ	+2 / -	2	Partial capture
08-26 21:39	40m	- / -23	IK0CHU	-5 / -	2	✓ Closing fragment
08-26 21:11	80m	-8 / -	<...>	- / -	2	Partial capture
08-25 22:17	40m	-8 / -	N2QN	- / -	2	Partial capture
08-25 21:04	80m	-10 / -	M9DNC	- / 0	3	✓ Closing fragment
08-25 20:51	80m	-20 / -	<...>	- / -	5	Partial capture
08-25 20:47	80m	-13 / -2	OZ1IVA	-16 / -6	5	✓ Full exchange observed
08-25 20:45	80m	-14 / -6	DL6NDW	+10 / -	5	✓ Full exchange observed
08-25 20:39	80m	-15 / -	HB3YOY	- / -	12	Partial capture
08-25 20:36	80m	-12 / -13	ES0MVM	-10 / -1	7	✓ Full exchange observed
08-25 20:34	80m	-11 / -8	SQ8NGI	+8 / -9	5	✓ Full exchange observed
08-25 20:32	80m	- / -	DK8HC	-1 / -	5	Partial capture
08-25 20:27	80m	-14 / -2	F4ESO	-4 / -5	12	✓ Full exchange observed
08-25 20:25	80m	-13 / -	DK8UU	-24 / -	3	✓ Closing observed
08-25 20:10	80m	-14 / -	DG2FFP	- / -	8	Partial capture
08-25 20:08	80m	-11 / -7	DF3VJ	-12 / -8	5	✓ Full exchange observed
08-25 20:03	80m	-11 / -	M7SYR	- / -	4	Partial capture
08-25 19:59	80m	-16 / -11	LA8AV	-1 / -	3	✓ Full exchange observed
08-25 19:52	80m	-21 / 0	OZ/KD0NDU	-13 / -	7	Partial capture
08-25 19:46	80m	-22 / -	G3PMY	- / -	10	Partial capture
08-25 19:45	80m	-24 / -7	F6GPT	-19 / +8	3	✓ Full exchange observed
08-25 19:41	80m	-13 / -9	SP5EXA	+15 / -	11	✓ Full exchange observed
08-25 19:39	80m	-13 / -	DA6DE	- / -5	3	✓ Closing fragment
08-25 19:34	80m	-15 / -6	LA2GCA	-16 / +10	8	✓ Full exchange observed
08-25 19:31	80m	-10 / -9	SQ6WA	+6 / +10	5	✓ Full exchange observed
08-25 19:29	80m	-13 / -14	R1ZH	-7 / 0	7	✓ Full exchange observed
08-25 19:23	80m	-15 / -18	DO9POL	-18 / -	10	✓ Closing observed
08-25 19:22	80m	-8 / -15	DO9KB	-1 / -	3	✓ Closing observed
08-25 19:20	80m	- / -8	DA6IT	-6 / -	2	✓ Closing fragment
08-25 09:11	20m	-23 / -	II7MGXX	- / -	2	Partial capture
08-25 09:01	20m	- / -16	EA3AGF	-6 / -	2	✓ Closing fragment
08-25 08:47	20m	-20 / -	<...>	- / -9	2	Partial capture

Recent FT8 messages decoded at SO8OO

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

60m

UTC    dB Audio  Message
215915  -8 1534  HA7TM DL3RSK JO30
215930  +8 1533  DL3RSK HA7TM -16
215945  -9 1534  HA7TM DL3RSK R+11
220000  +9 1533  DL3RSK HA7TM RR73
220615 -12 1534  CQ DL3RSK JO30
220630  +5 2928  DL3RSK F4BYA JN19
220645 -19 1534  CQ DL3RSK JO30
220700  +6 2928  DL3RSK F4BYA JN19
220715 -20 1534  CQ DL3RSK JO30
220730  +2 2928  DL3RSK F4BYA JN19
220745 -11 1534  CQ DL3RSK JO30 (x2)
220830  +5 2928  DL3RSK F4BYA JN19 (x3)

80m

UTC    dB Audio  Message
192245  +1 1718  DL3RSK SN31ROT -10
192430 -11 1193  EA3NG DL3RSK JO30
180700 +19  269  DL3RSK DL5JMN JO60 (x4)
181015 -10 1504  SO100PKP DL3RSK JO30
181100  -3  269  DL3RSK DL5JMN JO60 (x2)
181300  +7 1541  DL3RSK DL1HB -11 (x2)
181400  +4  269  DL3RSK DL5JMN JO60 (x2)
181515  -7 1204  DL3RSK DO6MFD -11
181530  -8 1504  DL3RSK DL5JMN JO60

20m

UTC    dB Audio  Message
194615 -13 1797  DL3RSK IK3FHW/IT9 -12
195015  -6 1755  DL3RSK IR7MGGC +02
200045  -4 1633  DL3RSK SV5BYP -12 (x4)
200915 -18 1269  EA8DNB DL3RSK JO30
201030 -12 1580  DL3RSK EA8DNB -14 (x3)
201130 -20 1268  DL5SUA DL3RSK JO30 (x4)
201600 -15 1580  DL3RSK EA8DNB -14

40m

UTC    dB Audio  Message
213715  -6 1230  M0SFW DL3RSK JO30 (x5)
221445  -6 1229  EA8AID DL3RSK JO30
221745  -9 1230  N2QN DL3RSK JO30 (x2)
213900  -7 1328  DL3RSK IK0CHU -23
213900  +0  538  DL3RSK DH1KJ JN48
213930  -3 1328  DL3RSK IK0CHU RR73
214030  +3  538  DL3RSK DH1KJ JN48
214145 -13 1229  9A60CBM DL3RSK JO30
215215 -20 1229  IU2BZV DL3RSK JO30 (x2)

10m

UTC    dB Audio  Message
122115 -20 1713  DL3RSK EG5MYC RR73
130100 -12 1197  DL3RSK S55A -20 (x4)
133300  -6 1914  DL3RSK IU2IKT -02 (x2)
185445 -10  776  DL3RSK DN9DKN JO31 (x5)
080130 -12 1356  DL3RSK SV2TCC -16 (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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