DF3JO — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Fed. Rep. of Germany Locator transmitted in a decoded message: JO31

Receiver-side FT8 activity involving DF3JO, decoded by SO8OO in southeastern Poland. 309 related FT8 messages, 1 CQ messages, observed on 160m, 80m, 60m, 40m, 20m, 10m, across 42 UTC dates. Heard between 2026-05-28 and 2026-08-23.

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

309

Related messages

CQ messages

UTC dates heard

-8 dB

Mean decoder S/N

Bands

80m 20m 60m 40m 10m 160m

First seen: 2026-05-28
Last seen: 2026-08-23 20:58 UTC

Frequent QSO partners observed at SO8OO

Stations DF3JO worked most often, as logged from our receiver:

S56KO · Slovenia ×2 IU2SLI · Italy ×2 DL1JSO · Fed. Rep. of Germany ×2 Z62NS · Republic of Kosovo ×2 IK4LZH · Italy ×2 F4FPR · France ×2 IQ9NI · Sicily ×2 EC5M · Spain ×2 OJ0MN · Market Reef ×2 UE6RU · European Russia ×2 ME7IEB · England SP6AXW · Poland

Activity Heatmap

Locator transmitted by DF3JO

Approximate centre of JO31, decoded 2026-08-23 22:57 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	DF3JO S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-23 22:57	60m	-9 / -2	DF4FS	-17 / +3	5	✓ Full exchange observed
08-23 22:54	60m	-5 / -	OO0O	- / +5	3	✓ Closing fragment
08-23 22:51	60m	-1 / -	DL7ARV	+8 / +10	6	✓ Full exchange observed
08-23 22:28	160m	-5 / -	G8OO	- / -12	4	✓ Closing fragment
08-23 22:27	160m	-9 / -6	DA6IUK	-16 / -9	5	✓ Full exchange observed
08-22 23:20	20m	-6 / -	AE4X	- / -	4	Partial capture
08-22 23:16	20m	-9 / -	AE4X	- / -	4	Partial capture
08-22 23:10	20m	+2 / -	AC4SP	- / -13	11	✓ Closing fragment
08-22 22:47	160m	-19 / -11	PA3FR	-8 / +1	4	✓ Full exchange observed
08-22 22:45	20m	+1 / -	EN100NP	- / -	3	Partial capture
08-22 22:40	20m	-1 / -	TA7ARH	-9 / -1	5	✓ Closing observed
08-22 22:33	20m	+6 / -	W1E	- / -	3	Partial capture
08-22 22:29	20m	-1 / -	KR4EEH	- / -	3	Partial capture
08-22 22:27	20m	0 / -	G1YEF	- / -1	3	✓ Closing fragment
08-22 22:26	20m	-1 / -	N4JRA	- / -15	3	✓ Closing fragment
08-22 22:22	20m	+6 / -	W1E	- / -	2	Partial capture
08-22 22:20	160m	-6 / -4	SP3ATB	-2 / -1	5	✓ Full exchange observed
08-22 22:20	20m	-9 / -	EN35UKR	- / -	2	Partial capture
08-22 22:14	20m	-4 / -	NC2Y	- / -	2	✓ Closing fragment
08-22 21:59	20m	-5 / -	G7VOQ	- / -	2	✓ Closing fragment
08-06 23:47	20m	-7 / -	WG8T	- / -	2	Partial capture
08-06 23:40	20m	-12 / -	W4HTP	- / -11	3	Partial capture
08-06 23:39	20m	-13 / -	IK8WCP	- / -14	2	Partial capture
08-06 23:37	20m	-14 / -	IU2SLI	-17 / 0	4	✓ Closing observed
08-06 23:34	20m	-11 / -	K0LLE	- / -	3	✓ Closing fragment
08-06 23:33	20m	-2 / -	M9KJY	- / -	2	Partial capture
08-06 23:31	20m	-8 / 0	DL5DQZ	-14 / -	5	✓ Full exchange observed
08-06 23:28	20m	-8 / -	WA1ONB	- / +10	2	✓ Closing fragment
08-06 23:24	20m	-12 / -	<...>	- / -7	4	Partial capture
08-06 23:21	20m	-10 / -	KA8GCQ	- / -17	5	Partial capture
08-06 23:18	20m	-14 / -	AB9GK	- / -	4	Partial capture
08-06 23:16	20m	-5 / -	IW4BO	- / +8	2	Partial capture
08-06 22:57	20m	-12 / -	JH7RTQ	- / -16	2	Partial capture
08-05 22:14	160m	- / -17	EA5RU	-17 / -	2	✓ Closing fragment
08-05 22:08	160m	-14 / -	DD0AM	-15 / -	2	✓ Closing observed
08-03 22:23	160m	- / -14	9A4ZM	+2 / -	3	✓ Closing fragment
08-03 21:29	20m	- / 0	PY5KA	-16 / -	2	✓ Closing fragment
08-01 23:08	20m	- / -6	VO1CH	-6 / -	2	✓ Closing fragment
07-31 22:49	160m	- / -6	DL6MRM	-18 / -	2	✓ Closing fragment
07-30 23:43	160m	- / -13	IZ3ATV	-8 / -	2	✓ Closing fragment
07-30 22:43	160m	-16 / -	CT2GQA	- / -	2	Partial capture
07-30 22:35	160m	-21 / -	CT2GQA	- / -	2	Partial capture
07-30 22:25	160m	-21 / -	M7CWF	- / -	3	Partial capture
07-30 22:19	160m	-21 / -	CT2GQA	- / -	7	Partial capture
07-30 22:12	160m	-20 / -	IU2GLX	-21 / -13	5	✓ Closing observed
07-30 22:06	160m	-20 / -	DM8ET	- / -13	3	✓ Closing fragment
07-30 22:00	160m	-20 / -16	9A2AJ	+8 / +7	4	✓ Full exchange observed
07-30 08:42	20m	-16 / -	IN3ADG	- / +8	3	✓ Closing fragment
07-30 08:41	20m	-10 / -20	RA3Y	-4 / -	3	✓ Closing observed
07-30 08:36	20m	-20 / +5	GJ0KYZ	-11 / -	6	✓ Full exchange observed

Recent FT8 messages decoded at SO8OO

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

60m

UTC    dB Audio  Message
225815  -2  373  F5OYA/P DF3JO RR73
225130  -1  451  DL7ARV DF3JO JO31
225145  +9  451  DF3JO DL7ARV +11 (x2)
225230  -1  451  DL7ARV DF3JO R+10
225245  +7  451  DF3JO DL7ARV RR73
225300  -1  451  DL7ARV DF3JO 73
225415  +1  335  OO0O DF3JO JO31 (x3)
225730  -7 1360  DF4FS DF3JO JO31
225745 -18 1360  DF3JO DF4FS -02
225800 -11 1360  DF4FS DF3JO R+03
225815 -16 1360  DF3JO DF4FS RR73
225830  -9 1361  DF4FS DF3JO 73

160m

UTC    dB Audio  Message
222130  -5  727  SP3ATB DF3JO 73
224745 -11 1657  DF3JO PA3FR -11
224800 -17 1656  PA3FR DF3JO R+01
224815  -6 1657  DF3JO PA3FR RR73
224830 -21 1657  PA3FR DF3JO 73
224945  +0  301  DF3JO DF2NV -01
222700  -9 1225  DA6IUK DF3JO JO31
222715 -15 1225  DF3JO DA6IUK -06
222730  -9 1225  DA6IUK DF3JO R-09
222745 -16 1225  DF3JO DA6IUK RR73
222800  -9 1225  DA6IUK DF3JO 73
222830 -17 1225  G8OO DF3JO -12 (x4)

20m

UTC    dB Audio  Message
231200  +3  972  AC4SP DF3JO R-13 (x7)
231630  -8 1681  AE4X DF3JO JO31 (x8)

80m

UTC    dB Audio  Message
000030  -2 1317  CX6VM DF3JO R-12 (x9)
233645 -17 1520  DF3JO DO7TW +03
234030 -14 1930  DO1RFR DF3JO JO31
234045  -6 1930  DF3JO DO1RFR +08
234100 -18 1930  DO1RFR DF3JO R+01
234115  -5 1930  DF3JO DO1RFR RR73
234130 -17 1929  DO1RFR DF3JO 73

40m

UTC    dB Audio  Message
230130  -2 2412  S56KO DF3JO R+08 (x2)
230445  -5 1496  PD2XX DF3JO JO31 (x2)
230600 -20 1497  DF3JO PD2XX RR73
230615 -14 1496  PD2XX DF3JO 73
230645  -3 2474  4O7CC DF3JO JO31
230700  -7 2476  DF3JO 4O7CC -06
230715  -1 2474  4O7CC DF3JO R+01
230730 -11 2475  DF3JO 4O7CC RR73
230745  -8 2474  4O7CC DF3JO 73
231715  -3  886  OE8DDX DF3JO JO31 (x3)
000045  -5  439  DF3JO IK4LZH RR73

10m

UTC    dB Audio  Message
101130 -12 1518  DO3VS DF3JO JO31
101145  -9 1518  DF3JO DO3VS -17
101200 -10 1518  DO3VS DF3JO R-18
101215  -7 1518  DF3JO DO3VS RR73
101230 -11 1518  DO3VS DF3JO 73
101845  -5 2245  SP9MZU DF3JO JO31 (x3)
102745 -12 1726  YO2LFP DF3JO JO31 (x4)
103400 -12 1643  4X5MZ DF3JO JO31
104700  -5 1108  DF3JO II6WWA -03
104730  -2 1107  DF3JO RR73; YL3KZ <...> -10

Decoder S/N history by band

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