OK1ALF — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Czech Republic Locator transmitted in a decoded message: JN79

Receiver-side FT8 activity involving OK1ALF, decoded by SO8OO in southeastern Poland. 267 related FT8 messages, 48 CQ messages, observed on 160m, 80m, 40m, 20m, 10m, across 20 UTC dates. Heard between 2026-07-25 and 2026-08-21.

These are automated observations at the SO8OO receiver, not the station's official logbook. Times are UTC. Decoder S/N describes messages received at SO8OO; inferred entity and location data may be inaccurate for portable, remote or special-event operation.

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Overview

267

Related messages

CQ messages

UTC dates heard

-7 dB

Mean decoder S/N

Bands

80m 20m 40m 10m 160m

First seen: 2026-07-25
Last seen: 2026-08-21 16:49 UTC

Frequent QSO partners observed at SO8OO

Stations OK1ALF worked most often, as logged from our receiver:

DL6UM · Fed. Rep. of Germany ×2 E70SZ · Bosnia-Herzegovina ×2 SP7AAO · Poland DJ9NY · Fed. Rep. of Germany DL9ATW · Fed. Rep. of Germany SP9ENV · Poland 9A5E · Croatia DD7EE · Fed. Rep. of Germany DD8BA · Fed. Rep. of Germany RA4Y · European Russia IU2HUQ · Italy OE5ROR · Austria

Activity Heatmap

Locator transmitted by OK1ALF

Approximate centre of JN79, decoded 2026-08-21 18:41 UTC. A transmitted locator is not proof of the operator's permanent location.

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	OK1ALF S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-21 18:48	20m	-11 / -	9A1CCB	-11 / -11	3	✓ Closing observed
08-21 18:46	20m	- / -16	9A5E	+3 / -	2	✓ Closing fragment
08-21 18:33	20m	-2 / -	SP9JP	- / -	2	Partial capture
08-21 18:27	20m	-8 / -	UR5WCS	- / +7	4	Partial capture
08-19 19:21	20m	- / -	CT1BFP	-16 / -	2	Partial capture
08-18 20:46	80m	- / -5	DG4BZ	0 / -	4	✓ Closing fragment
08-18 20:46	80m	- / -14	LZ2INP	+13 / -	3	✓ Closing fragment
08-18 20:44	80m	- / -8	SP9WAZ	-2 / -	2	✓ Closing fragment
08-18 20:42	80m	- / -12	DO5HOK	-1 / -	3	✓ Closing fragment
08-18 20:37	80m	- / -13	PH7GD	-10 / -	6	✓ Closing fragment
08-18 18:45	40m	-22 / -15	R2EA/P	-12 / +9	4	Partial capture
08-18 18:43	40m	-18 / -	DL3JCW	- / -9	2	Partial capture
08-17 18:58	80m	-7 / -16	HF5A	+11 / +4	5	✓ Full exchange observed
08-17 18:57	80m	-6 / -	IU5VLR	- / 0	3	Partial capture
08-17 18:39	20m	- / -	UR4QWW	-12 / -	5	Partial capture
08-16 09:42	20m	- / -10	R5AV	0 / -	2	✓ Closing fragment
08-15 19:30	80m	- / -1	E70SZ	+9 / -	3	✓ Closing fragment
08-15 19:28	80m	-8 / -	IV3DSG	- / +3	2	Partial capture
08-15 19:16	40m	- / -3	OK1FED	-12 / -	2	Partial capture
08-15 19:11	40m	-16 / -	PE0TS	- / -6	3	✓ Closing fragment
08-15 19:08	40m	-19 / -	PD0RCQ	-13 / -14	6	Partial capture
08-15 19:08	40m	- / -2	DF1IH	-18 / -	4	✓ Closing fragment
08-15 19:04	40m	-18 / -13	RX3ASQ	-13 / -	2	Partial capture
08-15 19:01	40m	-18 / -18	RN6MA	-11 / -3	3	✓ Full exchange observed
08-14 21:01	40m	- / -12	IU2HUQ	-20 / -	3	✓ Closing fragment
08-13 20:58	80m	-7 / -12	F5RRS	+2 / -	5	✓ Full exchange observed
08-13 20:46	80m	0 / -5	DA100LENZ	-9 / -9	3	Partial capture
08-13 20:43	80m	0 / +4	DJ9NY	+12 / -	3	✓ Full exchange observed
08-13 20:42	80m	-8 / -	DG2EBG	- / -4	2	Partial capture
08-12 21:35	80m	-1 / +1	DO7DNY	-7 / +6	5	✓ Full exchange observed
08-12 21:34	80m	+4 / -11	UX7QV	+17 / +7	5	✓ Full exchange observed
08-12 21:32	80m	+4 / +2	DK0KG	-4 / +6	4	✓ Full exchange observed
08-12 21:29	80m	- / -	DK0KG	-8 / -	2	Partial capture
08-12 21:29	80m	+3 / -	IK2TPX	-5 / -2	6	Partial capture
08-12 21:20	80m	-4 / -	TA7ARH	- / -	3	Partial capture
08-12 21:19	80m	-1 / -	EA8UP	- / -	2	Partial capture
08-12 21:16	80m	+2 / -16	G8OO	-14 / -1	5	✓ Full exchange observed
08-08 21:03	40m	- / -	F5MYH	-21 / -	2	Partial capture
08-06 19:57	80m	-16 / -	DO1FED	- / -15	4	Partial capture
08-06 19:52	80m	-10 / -12	SM7JKW	-6 / +6	7	✓ Full exchange observed
08-06 19:38	80m	-6 / -5	DD8BA	-8 / +1	5	✓ Full exchange observed
08-06 19:37	80m	-9 / -	SV9MBH	- / -21	2	Partial capture
08-06 19:36	80m	-12 / -4	DO1DMR	-8 / -	4	✓ Full exchange observed
08-06 19:33	80m	-12 / -	DL2JLB	-8 / -10	4	✓ Closing observed
08-06 19:33	80m	-12 / -9	SP7AAO	+3 / +1	6	✓ Full exchange observed
08-05 19:09	20m	- / -14	F1ODM	0 / -	3	✓ Closing fragment
08-04 20:43	40m	- / 0	PD0IFI	-11 / -	4	Partial capture
08-04 20:38	40m	- / -7	SM7HWD	-13 / -	3	✓ Closing fragment
08-04 18:52	40m	- / -13	ON4AZM	-16 / -	2	Partial capture
08-04 18:41	40m	- / -5	HB9CCM	-9 / -	2	Partial capture

Recent FT8 messages decoded at SO8OO

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

20m

UTC    dB Audio  Message
182600  -9  753  CQ OK1ALF JN79 (x2)
182730 -10  754  UR5WCS OK1ALF +07 (x4)
183300  -3  696  SP9JP OK1ALF RRR (x2)
183900  -3  696  CQ OK1ALF JN79 (x2)
184615  +0 2207  OK1ALF 9A5E -16 (x2)
184830 -12 1030  9A1CCB OK1ALF -11 (x2)
184945 -11 1031  OK1ALF 9A1CCB 73

160m

UTC    dB Audio  Message
205700 -24 1385  CQ OK1ALF JN79

80m

UTC    dB Audio  Message
203915  -8 2696  OK1ALF PH7GD R-13 (x3)
204245  +0  808  OK1ALF DO5HOK JO41 (x3)
204445  -2  227  OK1ALF SP9WAZ -08 (x2)
204615 +14  648  OK1ALF LZ2INP KN34
204645  +2  720  OK1ALF DG4BZ JO42
204645 +12  647  OK1ALF LZ2INP R-14
204715  +0  720  OK1ALF DG4BZ JO42
204715 +14  648  OK1ALF LZ2INP 73
204745  -3  720  OK1ALF DG4BZ R-05 (x2)

40m

UTC    dB Audio  Message
183630 -21 1303  CQ OK1ALF JN79                        a1
183715 -17 1303  OK1ALF F1IQH JN27
184100 -17 1303  CQ OK1ALF JN79
184130 -19 1303  IW2HWN OK1ALF -17
184300 -16 1303  DL3JCW OK1ALF -09 (x2)
184500 -19 1303  CQ OK1ALF JN79
184515 -13 2538  OK1ALF R2EA/P -15 (x2)
184600 -24 1303  R2EA/P OK1ALF R+09 (x2)
184730 -19 1303  CQ OK1ALF JN79                        a1 (x2)
184845 -24 1302  OK1ALF PD0LH R-07
185100 -19 1303  DL3RSK OK1ALF -20

10m

UTC    dB Audio  Message
155045 -20 1459  OK1ALF M0BEW -05

Decoder S/N history by band

Daily averages across messages associated with this profile as decoded at SO8OO.