SP5MXZ — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Poland Locator transmitted in a decoded message: KO03

Receiver-side FT8 activity involving SP5MXZ, decoded by SO8OO in southeastern Poland. 478 related FT8 messages, 153 CQ messages, observed on 80m, 60m, 20m, 10m, across 16 UTC dates. Heard between 2026-06-20 and 2026-08-22.

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

478

Related messages

153

CQ messages

UTC dates heard

-3 dB

Mean decoder S/N

Bands

80m 20m 60m 10m

First seen: 2026-06-20
Last seen: 2026-08-22 02:57 UTC

Frequent QSO partners observed at SO8OO

Stations SP5MXZ worked most often, as logged from our receiver:

DL1UDO · Fed. Rep. of Germany ×3 M0IEP · England ×3 PD2WL · Netherlands ×2 IK4LZH · Italy ×2 DO6JSA · Fed. Rep. of Germany DO5PY · Fed. Rep. of Germany TA3NK · Asiatic Turkey EA8UP · Canary Islands TC2FNR · Asiatic Turkey EC4TR · Spain TN8GD · Republic of the Congo DO1SDH · Fed. Rep. of Germany

Activity Heatmap

Locator transmitted by SP5MXZ

Approximate centre of KO03, decoded 2026-08-18 22:23 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	SP5MXZ S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-22 08:39	20m	-18 / -	M8IDM/POTA	- / -18	2	Partial capture
08-22 07:19	20m	-9 / -	TA7TC	- / -17	4	Partial capture
08-22 07:10	20m	0 / -	UA9YHA	- / -13	2	Partial capture
08-22 07:04	20m	-1 / -	<...>	- / -20	11	Partial capture
08-22 04:56	20m	- / -2	RW9WJ	+4 / -	2	✓ Closing fragment
08-20 19:53	20m	- / +8	IW5ALZ	-6 / -	2	✓ Closing fragment
08-20 19:49	20m	- / -	TA3NK	-2 / -	2	✓ Closing fragment
08-20 19:38	20m	- / -16	M9DNC	-4 / -	3	✓ Closing fragment
08-20 19:15	20m	- / -	DL9MY	-5 / -	2	✓ Closing fragment
08-20 17:53	20m	- / -7	JH3KCW	-8 / -	3	✓ Closing fragment
08-20 17:45	20m	- / 0	JA6TXU	+2 / -	2	✓ Closing fragment
08-20 13:05	20m	- / -4	F5MJN	+2 / -	3	✓ Closing fragment
08-20 08:34	20m	- / -	PD2WL	-13 / -	2	✓ Closing fragment
08-20 08:31	20m	- / -14	IK4LZH	+9 / -	3	✓ Closing fragment
08-18 22:24	80m	-1 / +1	MM0KQC	-7 / +3	4	Partial capture
08-18 22:22	80m	+2 / -18	DK4ET	-4 / -4	5	✓ Full exchange observed
08-18 22:15	80m	+10 / -	R3DFE/M	- / -21	4	Partial capture
08-18 22:11	80m	+7 / -	R3TY	- / -8	2	✓ Closing fragment
08-18 22:09	80m	+2 / -13	DL1UDO	-9 / +3	5	✓ Full exchange observed
08-18 22:05	80m	+4 / -	G4FHL	- / -1	3	✓ Closing fragment
08-18 22:01	80m	+2 / -	OE2AGZ	-21 / -11	4	✓ Closing observed
08-18 21:53	80m	+1 / -2	DO9JTR	+6 / +4	7	✓ Full exchange observed
08-18 21:48	80m	+4 / +5	DK1FS	0 / -	4	✓ Closing observed
08-18 21:42	80m	+11 / -2	DF1IH	-7 / -	5	✓ Closing observed
08-18 21:40	80m	+2 / -	2E0ROJ	- / -13	2	✓ Closing fragment
08-18 21:37	80m	- / -3	SP5IPO	+10 / -	2	Partial capture
08-18 21:35	80m	+2 / -	SP4ART	-14 / +3	3	✓ Closing observed
08-18 21:27	80m	+4 / -10	ON6CQ	-17 / -14	5	✓ Full exchange observed
08-18 21:15	80m	+10 / +6	SP2HNF	-1 / +4	4	✓ Full exchange observed
08-18 21:14	80m	+7 / -	DO9POL	- / -6	2	✓ Closing fragment
08-18 21:12	80m	+2 / -	EA8AJ	- / -13	3	✓ Closing fragment
08-18 21:11	80m	-1 / -3	DL3HO	-16 / -14	7	✓ Full exchange observed
08-18 21:07	80m	-4 / -3	DO1SDH	-16 / -17	6	✓ Full exchange observed
08-18 21:06	80m	0 / -16	DO6JSA	-11 / -11	6	✓ Full exchange observed
08-18 21:01	80m	+3 / -	D2UY	- / -10	7	Partial capture
08-18 20:56	80m	+3 / -	EA8AJ	- / -10	6	Partial capture
08-18 20:52	80m	+6 / -	DO5PY	-2 / -4	3	✓ Closing observed
08-18 20:51	80m	+6 / -9	UA3RBM	+2 / -2	4	✓ Full exchange observed
08-18 20:45	80m	- / +2	DK1MCS	+7 / -	3	✓ Closing fragment
08-18 20:43	80m	- / -13	EB1LA	-7 / -	8	✓ Closing fragment
08-18 19:17	80m	+7 / -	SP5MXW/P	+15 / +8	5	✓ Full exchange observed
08-18 19:10	80m	-6 / -14	PE1EZC	-15 / -16	3	✓ Full exchange observed
08-18 19:06	80m	+4 / +8	SP7CAC	-4 / -13	5	✓ Full exchange observed
08-18 19:05	80m	+4 / -1	SQ3DAB	+3 / 0	4	✓ Full exchange observed
08-18 19:03	80m	+4 / -7	E70SZ	+5 / -2	5	✓ Full exchange observed
08-18 18:57	80m	+14 / -18	DA6YY	-1 / -6	5	✓ Full exchange observed
08-18 18:51	80m	+12 / -	UR5WBO	- / +5	2	✓ Closing fragment
08-18 18:48	80m	+10 / -11	UR4LG	-8 / +1	5	✓ Full exchange observed
08-18 18:48	80m	+5 / -3	UT6HN	-1 / -	5	✓ Full exchange observed
08-16 09:14	20m	-16 / -7	TC2FNR	-11 / -8	3	✓ Full exchange observed

Recent FT8 messages decoded at SO8OO

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

20m

UTC    dB Audio  Message
070630  -1 1942  <...> SP5MXZ -20 (x7)
071030  +6  520  UA9YHA SP5MXZ -13 (x2)
071900  -9 1943  TA7TC SP5MXZ -17 (x4)
083900 -16 1140  M8IDM/POTA SP5MXZ -18 (x2)

80m

UTC    dB Audio  Message
221745 +10 2425  R3DFE/M SP5MXZ -21 (x2)
221845  +4 2425  <PY5/PY2TIM> SP5MXZ -21
222145  +5 2425  CQ SP5MXZ KO03 (x2)
222230  +1 1149  SP5MXZ DK4ET JO52
222245  +5 2425  DK4ET SP5MXZ -04
222300  +0 1149  SP5MXZ DK4ET R-18
222315  -2 2425  DK4ET SP5MXZ RR73
222330 -12 1149  SP5MXZ DK4ET 73
222345  +2 2425  CQ SP5MXZ KO03
222430  -6 1748  SP5MXZ MM0KQC +01 (x3)
222545  -1 2425  MM0KQC SP5MXZ R+03

10m

UTC    dB Audio  Message
144600  -3 2065  SP5MXZ IS0LJG +07 (x2)
093130  +5 1098  SP5MXZ PA3BQC JO22 (x3)
093930 -15  940  SP5MXZ GJ0KYZ +04

60m

UTC    dB Audio  Message
230400  +7  962  9A60CBM SP5MXZ KO03
230415  -7  962  SP5MXZ 9A60CBM -07
230430  +5  961  9A60CBM SP5MXZ R-12
230730  -2  961  CQ SP5MXZ KO03 (x4)
231115 -20 1905  SV8GXC SP5MXZ KO03
231130 -10 2381  SP5MXZ SV8GXC +05
231145 -17 1904  SV8GXC SP5MXZ R-04
231200  -8 2381  SP5MXZ SV8GXC RR73
231215 -15 1904  SV8GXC SP5MXZ 73
231245 -18 1904  CQ SP5MXZ KO03 (x3)

Decoder S/N history by band

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