EA5ISA — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Spain Locator transmitted in a decoded message: IM99

Receiver-side FT8 activity involving EA5ISA, decoded by SO8OO in southeastern Poland. 393 related FT8 messages, 150 CQ messages, observed on 40m, 20m, 10m, across 37 UTC dates. Heard between 2026-05-23 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

393

Related messages

150

CQ messages

UTC dates heard

-11 dB

Mean decoder S/N

Bands

20m 40m 10m

First seen: 2026-05-23
Last seen: 2026-08-21 02:08 UTC

Frequent QSO partners observed at SO8OO

Stations EA5ISA worked most often, as logged from our receiver:

F1PBZ · France ×2 DL6LAG · Fed. Rep. of Germany ×2 XQ1KC · Chile DL1GWL · Fed. Rep. of Germany DF3MC · Fed. Rep. of Germany RA4Y · European Russia DB1SN · Fed. Rep. of Germany UR1CCT · Ukraine EA2BUW · Spain DL6EL · Fed. Rep. of Germany F6FDY · France DH2RL · Fed. Rep. of Germany

Activity Heatmap

Locator transmitted by EA5ISA

Approximate centre of IM99, decoded 2026-08-21 04:08 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	EA5ISA S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-21 03:52	40m	- / -6	UR1CCT	+9 / -	3	✓ Closing fragment
08-19 05:56	40m	- / -	IN3IZQ	-20 / -	2	Partial capture
08-18 11:30	10m	- / +8	DL0FTT	-16 / -	2	✓ Closing fragment
08-12 18:56	10m	- / -6	ON1JP	-19 / -	4	Partial capture
08-12 06:22	40m	- / -15	DH2RL	-20 / -	3	✓ Closing fragment
08-12 06:03	40m	- / -	DL6UM	-6 / -	6	Partial capture
08-12 06:02	40m	- / -14	F4LVF	-20 / -	2	✓ Closing fragment
08-12 05:25	40m	- / -13	DL6EL	-8 / -	3	✓ Closing fragment
08-10 15:16	20m	- / -	DH1KU	-16 / -	2	Partial capture
08-07 04:25	40m	- / +8	IZ4AIF	-16 / -	3	✓ Closing fragment
08-06 04:58	40m	- / -10	9A3AUH	-6 / -	4	✓ Closing fragment
08-05 05:28	40m	- / -	DL6UM	-10 / -	5	Partial capture
07-24 05:31	40m	- / -	DL6UM	-10 / -	3	Partial capture
07-22 10:03	10m	- / -11	RN6MA	-9 / -	3	✓ Closing fragment
07-21 11:23	10m	- / -16	RN6MA	-9 / -	4	Partial capture
07-21 09:37	10m	- / -9	RV6HE	-8 / -	3	Partial capture
07-21 09:36	10m	- / +4	DB1SN	-3 / -	2	✓ Closing fragment
07-21 09:14	10m	- / -	IK1MJK	-16 / -	2	Partial capture
07-20 19:39	40m	- / -4	IK1MJK	-14 / -	2	Partial capture
07-20 19:26	10m	- / -	EA3EDU	-10 / -	4	Partial capture
07-20 19:16	10m	- / -4	DL1IP	-12 / -	2	✓ Closing fragment
07-20 19:13	10m	- / -9	DL3NGN	-15 / -	2	✓ Closing fragment
07-20 19:06	10m	- / -10	DO5PY	-7 / -	3	✓ Closing fragment
07-19 15:46	10m	- / -10	RK3ZB	-8 / -	2	✓ Closing fragment
07-19 05:32	40m	- / -19	YT1KN	-16 / -	4	✓ Closing fragment
07-16 06:48	20m	- / -7	ON8SGA	-10 / -	2	Partial capture
07-16 06:46	20m	- / -24	UR7VU	-16 / -	3	✓ Closing fragment
07-16 05:03	40m	- / -8	DF3MC	-16 / -	2	✓ Closing fragment
07-14 05:31	20m	-24 / -	M7OOT	- / -13	2	Partial capture
07-14 05:01	20m	- / -24	R9FAI	-17 / -	2	Partial capture
07-14 04:11	20m	- / -	R7OV	-15 / -	4	Partial capture
07-14 04:04	20m	- / -	A71AT	-8 / -	2	✓ Closing fragment
07-11 05:48	20m	- / -18	RA4Y	-12 / -	4	✓ Closing fragment
07-08 05:22	20m	- / -16	R5AV	-15 / -	2	✓ Closing fragment
06-26 06:24	20m	- / -13	RK3OS	-11 / -	4	✓ Closing fragment
06-26 05:52	20m	- / -14	SP1EG	-9 / -	3	✓ Closing fragment
06-26 05:44	20m	- / -	EW7AS	-16 / -	3	Partial capture
06-24 06:12	20m	- / -	DL1R	-10 / -	6	Partial capture
06-24 06:08	20m	- / -1	M5MOW	-14 / -	3	✓ Closing fragment
06-23 05:32	40m	- / -9	HA1ZW	-12 / -	3	✓ Closing fragment
06-22 14:51	10m	- / -8	IQ4JO	-6 / -	3	✓ Closing fragment
06-17 05:39	20m	- / -	DB1EF	-10 / -	3	✓ Closing fragment
06-17 05:08	20m	-15 / -7	SV1GYG	-6 / -6	3	Partial capture
06-16 06:41	20m	- / -	UW5ESX	+1 / -	4	Partial capture
06-15 05:57	20m	- / -8	F1ODM	-7 / -	2	✓ Closing fragment
06-15 05:48	20m	- / -	UR4QWW	+2 / -	3	Partial capture
06-15 05:41	20m	- / -	VE7LGP	-16 / -	2	Partial capture
06-15 05:31	20m	- / -	LZ1MIT	+5 / -	5	Partial capture
06-15 05:28	20m	- / -	LZ1MIT	+4 / -	2	Partial capture
06-15 05:26	20m	- / -13	UB3DQR	-4 / -	2	✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

40m

UTC    dB Audio  Message
060630  -5  773  EA5ISA DL6UM JO60
062200 -21 1467  EA5ISA DH2RL JN68 (x3)
065230 -14  790  EA5ISA DH9DR JO31
055600 -15 1600  EA5ISA IN3IZQ JN56 (x2)
034045 -18 1600  CQ EA5ISA IM99
034245 -22 1600  WA8CAC EA5ISA -16
035200  +5  674  EA5ISA UR1CCT KN69 (x3)
035545 -24 1922  CQ EA5ISA IM99 (x2)
041145 -20 1921  DL0FTT EA5ISA -04

10m

UTC    dB Audio  Message
112430 -13 1392  EA5ISA RN6MA -16
095900 -16 1741  EA5ISA HA3GX JN96
095930 -22 1466  EA5ISA IU5TUG JN53
100300  -9 1746  EA5ISA RN6MA -11 (x3)
100430 -19 1741  EA5ISA HA3GX JN96
185630 -19 1130  EA5ISA ON1JP -06 (x4)
185830 -17  982  EA5ISA PD1WMD 73
113030 -17 1452  EA5ISA DL0FTT R+08 (x2)
144030 -22 1835  EA5ISA ON5RZ 73

20m

UTC    dB Audio  Message
052630 -21 1647  EA5ISA 2E0EWM 73
052845 -24 1647  ZL1RPC EA5ISA -17
053115 -17 1647  CQ EA5ISA IM99
053145 -23 1647  M7OOT EA5ISA -13 (x2)
063130  -4 2913  EA5ISA F4BYA JN19
064245 -24 1647  CQ EA5ISA IM99
064600 -11 1647  EA5ISA UR7VU KN68 (x3)
064830  -9  304  EA5ISA ON8SGA -07 (x2)
065700 -19 1957  EA5ISA RC9WC -08
151600 -20 2227  EA5ISA DH1KU JO30 (x2)

Decoder S/N history by band

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