DF3IS — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Fed. Rep. of Germany Locator transmitted in a decoded message: JN49

Receiver-side FT8 activity involving DF3IS, decoded by SO8OO in southeastern Poland. 1,491 related FT8 messages, 690 CQ messages, observed on 80m, 60m, 40m, 20m, 10m, across 61 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

1,491

Related messages

690

CQ messages

UTC dates heard

-6 dB

Mean decoder S/N

Bands

80m 20m 60m 40m 10m

First seen: 2026-05-28
Last seen: 2026-08-23 14:29 UTC

Frequent QSO partners observed at SO8OO

Stations DF3IS worked most often, as logged from our receiver:

PD0DDA · Netherlands ×5 DL9GCG · Fed. Rep. of Germany ×3 R5AV · European Russia ×2 YT2TW · Serbia ×2 HA3GX · Hungary ×2 UR4LG · Ukraine ×2 TM1RVE · France ×2 F1IQH · France ×2 F4HSB · France ×2 SP9MOA · Poland ×2 DF7JU · Fed. Rep. of Germany ×2 SP7VCL · Poland ×2

Activity Heatmap

Locator transmitted by DF3IS

Approximate centre of JN49, decoded 2026-08-23 16:31 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	DF3IS S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-23 16:31	40m	+1 / -	M9OCT	- / -	2	Partial capture
08-23 16:29	40m	-3 / -	F4AXK	- / -14	2	✓ Closing fragment
08-23 16:27	40m	-5 / +4	SP2HJN	-5 / -9	5	✓ Full exchange observed
08-23 16:24	40m	-8 / -	M7GYP	- / -10	2	✓ Closing fragment
08-23 16:22	40m	-3 / +6	DL7SLB	-4 / -9	5	✓ Full exchange observed
08-23 16:17	40m	-5 / -	SA3KAK	- / -8	3	✓ Closing fragment
08-23 16:16	40m	-2 / -13	DK1HZ	+1 / -	4	✓ Closing observed
08-23 16:13	40m	-8 / -	DH7CS	- / -1	2	✓ Closing fragment
08-23 16:09	40m	-6 / -	DL8YBL	- / -8	3	✓ Closing fragment
08-23 16:08	40m	-6 / -	EA1VJ	- / -11	3	✓ Closing fragment
08-23 15:56	40m	-10 / -	YL3FW	- / -1	2	✓ Closing fragment
08-23 15:53	40m	-8 / -	PD2MAC/P	- / -10	2	✓ Closing fragment
08-23 15:52	40m	-10 / -	IU3BIX	-11 / +3	2	Partial capture
08-23 15:49	40m	-11 / +8	SP7AAO	-4 / -8	6	✓ Full exchange observed
08-23 15:49	40m	-11 / -	DL7HS	- / -10	3	✓ Closing fragment
08-23 15:46	40m	-8 / -	DL5EBS	-3 / -2	5	✓ Full exchange observed
08-23 15:46	40m	- / +4	OK1UOZ	+9 / -	6	Partial capture
08-23 15:45	40m	-10 / -	HA1DSL	-17 / -4	3	✓ Closing observed
08-23 15:33	20m	- / -15	ON1AJ	-1 / -	3	✓ Closing fragment
08-23 15:24	20m	- / -16	DL7HS	-3 / -	4	Partial capture
08-23 09:04	20m	-8 / -	K2VG	- / -10	2	Partial capture
08-23 09:00	20m	+4 / -	F4NGO	- / -	3	Partial capture
08-23 08:46	20m	-12 / -	VK3MJR	- / -	2	Partial capture
08-23 08:26	20m	+6 / -	XQ1KK	- / -	3	Partial capture
08-22 16:21	60m	-8 / -	DM5CF	-10 / +5	5	✓ Full exchange observed
08-22 16:18	60m	-8 / -	DL6WAB	- / +1	2	✓ Closing fragment
08-22 16:15	60m	-8 / +3	DF2RG	-6 / +2	6	✓ Full exchange observed
08-22 16:14	60m	-10 / -10	DL3TC	-10 / +6	4	✓ Full exchange observed
08-22 16:10	60m	-8 / -	OE1NAC	-17 / -7	5	✓ Full exchange observed
08-22 15:14	20m	0 / -	F4EWK	- / -	2	Partial capture
08-22 09:50	20m	0 / -	NX4RH	- / -16	2	✓ Closing fragment
08-22 09:46	20m	-9 / -	SM5UNR	- / -14	4	✓ Closing fragment
08-22 09:41	20m	-5 / -	9Y4DG	- / -16	7	✓ Closing fragment
08-22 09:40	20m	-2 / -	SM5UNR	- / -	2	Partial capture
08-22 09:37	20m	-9 / -	PE1NGW	- / -	3	Partial capture
08-22 09:15	20m	-6 / -	PE1NGW	- / -	7	Partial capture
08-22 09:13	20m	-9 / -	IU3WOZ	- / -	2	Partial capture
08-22 09:10	20m	-11 / -	9A3NPX	- / -10	2	✓ Closing fragment
08-22 09:00	20m	-8 / -	NI9D	- / -	6	Partial capture
08-22 08:49	20m	-4 / -	<...>	- / -	5	Partial capture
08-22 08:47	20m	0 / -	E79KO	- / -5	3	Partial capture
08-22 08:40	20m	-4 / -	OZ1THC	- / -12	3	✓ Closing fragment
08-22 08:34	20m	+7 / -	VE6NS	- / -	6	Partial capture
08-22 08:32	20m	- / -	DK1HZ	+11 / -	2	Partial capture
08-22 08:31	20m	0 / -	GB1TMH	-9 / +1	3	✓ Closing observed
08-21 16:02	20m	-3 / -	R2EA/P	- / -	2	Partial capture
08-21 15:52	20m	+2 / -	UB8QBY	- / -	2	Partial capture
08-21 12:23	20m	+7 / -	SP7TAC	- / -	4	Partial capture
08-21 12:19	20m	-2 / -	DK0PB	- / -3	3	✓ Closing fragment
08-21 12:18	20m	+4 / -	G1SAA/M	-16 / -13	3	✓ Closing observed

Recent FT8 messages decoded at SO8OO

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

40m

UTC    dB Audio  Message
162545  -9 1626  CQ DF3IS JN49                         a1 (x4)
162730  -5 1626  DF3IS SP2HJN JO94
162745  -5 1626  CQ DF3IS JN49
162800  -6 1626  DF3IS SP2HJN JO94
162815  -6 1626  SP2HJN DF3IS -09
162830  -5 1626  DF3IS SP2HJN R+04
162845  -4 1626  SP2HJN DF3IS RR73
162915  -2 1626  CQ DF3IS JN49
162945  -2 1626  F4AXK DF3IS -14 (x2)
163115  +3 1150  M9OCT DF3IS JN49 (x2)

60m

UTC    dB Audio  Message
161845  -7 1127  DL6WAB DF3IS RR73
161915  -5 1127  CQ DF3IS JN49 (x3)
162030 -21 1607  DF3IS OH2DOF KP20
162045  -8 1127  CQ DF3IS JN49
162100  -9 1518  DF3IS DM5CF JO60
162115  -7 1127  DM5CF DF3IS +05
162130 -11 1518  DF3IS DM5CF R+19
162145  -8 1127  DM5CF DF3IS RR73
162200 -11 1518  DF3IS DM5CF 73
162445 -19 1863  OK1MAT DF3IS JN49
154145 -15 1196  CQ DF3IS JN49 (x2)
154630 -18 1121  DF3IS DL3RDO JN68

20m

UTC    dB Audio  Message
090015  +4  859  F4NGO DF3IS JN49 (x2)
090430  -7 1781  K2VG DF3IS JN49 (x2)
090600  -4 1932  MW7MAI DF3IS JN49
091400  +4  778  XE1CWB DF3IS JN49
101730  -2  863  DL4ZF DF3IS JN49
152400  -9 2470  DF3IS DL7HS -16 (x4)
153115 -23 1344  W2NEC DF3IS 73
153330  -1 1217  DF3IS ON1AJ JO20 (x3)

10m

UTC    dB Audio  Message
095715  +9  579  <...> DF3IS JN49
095815  -5 1599  IK6JWK DF3IS JN49 (x12)
100530  -2 1073  YO9ZIP DF3IS JN49 (x2)

80m

UTC    dB Audio  Message
201145  +6 1217  CQ DF3IS JN49 (x2)
201245  +3 1217  PE1LDS DF3IS -15 (x4)
201445  -4 1217  CQ DF3IS JN49 (x4)
201630 -10  567  DF3IS DL3XRZ JN59
201645  -2 1217  DL3XRZ DF3IS -01
201700  -8  567  DF3IS DL3XRZ R+02
201715  -2 1217  DL3XRZ DF3IS RR73
201730  -9  567  DF3IS DL3XRZ 73

Decoder S/N history by band

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