HF85MK — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Poland

Receiver-side FT8 activity involving HF85MK, decoded by SO8OO in southeastern Poland. 308 related FT8 messages, 147 CQ messages, observed on 80m, 40m, 20m, across 3 UTC dates. Heard between 2026-08-12 and 2026-08-16.

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

308

Related messages

147

CQ messages

UTC dates heard

-2 dB

Mean decoder S/N

Bands

80m 20m 40m

First seen: 2026-08-12
Last seen: 2026-08-16 20:09 UTC

Frequent QSO partners observed at SO8OO

Stations HF85MK worked most often, as logged from our receiver:

UW5KW/QRP · Ukraine ×5 EN35UKR · Ukraine ×4 D09AND/P · Fed. Rep. of Germany ×2 OL900CO · Czech Republic ×2 9A4BP/P · Croatia ×2 HG25CCS · Hungary ×2 SP7VCL · Poland SP5MIG/6 · Poland UB6OGX/3 · European Russia EI3KYB/P · Ireland DO1TEM · Fed. Rep. of Germany DL1CBS/P · Fed. Rep. of Germany

Activity Heatmap

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	HF85MK S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-16 21:43	40m	-15 / -	EI3KYB/P	-12 / -	2	✓ Closing observed
08-16 21:36	80m	- / 0	DO5PY	-14 / -	4	✓ Closing fragment
08-16 21:35	80m	+8 / -	<...>	- / -	2	✓ Closing fragment
08-16 21:32	80m	+4 / -	<...>	-23 / -	2	✓ Closing fragment
08-16 21:24	80m	0 / -	<...>	-18 / -	7	✓ Closing fragment
08-16 21:18	80m	0 / -	<...>	-23 / -	2	✓ Closing fragment
08-16 21:11	80m	+8 / -	<...>	-22 / -	6	✓ Closing fragment
08-16 21:06	80m	+6 / -15	UA4FKT	-6 / +3	3	Partial capture
08-16 21:05	80m	+6 / -	<...>	-5 / -	7	✓ Closing fragment
08-16 20:59	40m	- / -	SP1LJZ	-23 / -	3	Partial capture
08-16 20:59	40m	- / -	UB6OCP	-17 / -	3	Partial capture
08-16 20:58	40m	-16 / -	<...>	-14 / -	2	✓ Closing fragment
08-16 20:48	40m	- / -	UB6OCP	-17 / -	3	Partial capture
08-16 20:46	40m	-16 / -	<...>	-8 / -	3	✓ Closing fragment
08-16 20:46	40m	- / -	EA1NPP	+7 / -	3	Partial capture
08-13 22:18	80m	+15 / -	D09AND/P	-16 / -	3	✓ Closing observed
08-13 21:26	80m	- / -	DO9BAU	+4 / -	4	Partial capture
08-13 21:25	80m	+14 / -	<...>	+6 / -	2	✓ Closing fragment
08-13 21:18	80m	- / -	SP2GRP	+10 / -	4	Partial capture
08-13 21:13	80m	- / -	DO9BAU	+8 / -	5	Partial capture
08-13 21:12	80m	+15 / -	UW5KW/QRP	+12 / -	4	✓ Closing observed
08-13 21:07	80m	+4 / -	UW5KW/QRP	+13 / -	2	✓ Closing observed
08-13 21:04	80m	- / -	DO9BAU	+15 / -	4	Partial capture
08-13 21:02	80m	+10 / -	UW5KW/QRP	-2 / -	4	✓ Closing observed
08-13 20:54	80m	+9 / -	UW5KW/QRP	-3 / -	3	✓ Closing observed
08-13 20:34	80m	+3 / -	UW5KW/QRP	- / -	2	✓ Closing fragment
08-13 20:26	80m	+5 / -	EN35UKR	-5 / -	2	✓ Closing observed
08-13 20:23	80m	- / -	DO9BAU	+3 / -	4	Partial capture
08-13 20:14	80m	- / -	DK1GP	-8 / -	3	Partial capture
08-13 20:14	80m	+13 / -	EN35UKR	+4 / -	10	✓ Closing observed
08-12 21:27	80m	- / -	IK6GTF	+6 / -	5	Partial capture
08-12 21:27	80m	- / -	YO4LUP	-2 / -	2	Partial capture
08-12 21:24	80m	+8 / -	<...>	+6 / -	16	✓ Closing fragment
08-12 21:14	80m	- / -	DO1SWC	-7 / -	4	Partial capture
08-12 21:14	80m	- / -	G8OO	-7 / -	4	Partial capture
08-12 21:14	80m	+9 / -	<...>	+11 / -	2	✓ Closing fragment
08-12 21:06	80m	- / -	DO1SWC	-5 / -	4	Partial capture
08-12 21:06	80m	- / -	YO4LUP	-1 / -	3	Partial capture
08-12 21:06	80m	+10 / -	<...>	0 / -	3	✓ Closing fragment
08-12 21:04	80m	+9 / -	<...>	+19 / -	2	✓ Closing fragment
08-12 20:40	20m	- / -	DK2HM	-15 / -	4	Partial capture
08-12 09:56	20m	- / -	9A5WA	0 / -	4	Partial capture
08-12 07:52	20m	- / -	<...>	-8 / -	2	✓ Closing fragment
08-12 06:16	20m	-14 / -	<...>	-11 / -	3	✓ Closing fragment
08-12 06:03	20m	- / -	I1RJP	-4 / -	4	Partial capture
08-12 05:44	20m	- / -	I1RJP	-6 / -	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
204115 -13 1930  HF85MK DK2HM JN58 (x2)
221630 -11 1344  HF85MK <...> 73 (x2)
193200  -5 1629  HF85MK GB64MOD 73
220215 -13 1400  CQ HF85MK
220315 -18 1400  <...> HF85MK 73
220345 -16 1400  CQ HF85MK
220615 -12 1400  <...> HF85MK 73
220645 -16 1400  CQ HF85MK (x6)

40m

UTC    dB Audio  Message
210000 -24 1919  HF85MK SP1LJZ JO84
210015 -17 1361  CQ HF85MK
210030 -16 2040  HF85MK UB6OCP KN88
210045 -17 1361  CQ HF85MK (x4)
214315 -15 1361  EI3KYB/P HF85MK RR73
214330 -12 1361  HF85MK EI3KYB/P 73
214415 -12 1361  CQ HF85MK (x6)

80m

UTC    dB Audio  Message
213315  +6 1326  CQ HF85MK (x4)
213545  +9 1326  <...> HF85MK RR73
213600 -20 1658  HF85MK 9A4BP/P 73
213600 -19 1237  <HF85MK> DO5PY JN49 (x2)
213645  +6 1326  <...> HF85MK RR73
213700 -11 1237  HF85MK DO5PY 73
213715  +4 1326  CQ HF85MK
213730  -8 1237  HF85MK DO5PY JN49
213745 +10 1326  CQ HF85MK (x3)

Decoder S/N history by band

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