ES4RM — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Estonia Locator transmitted in a decoded message: KO49

Receiver-side FT8 activity involving ES4RM, decoded by SO8OO in southeastern Poland. 50 related FT8 messages, 17 CQ messages, observed on 20m, across 1 UTC dates. Last heard 2026-06-17.

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.

FT8DB and SO8OO WebSDR are a hobby project maintained solo. ☕ Buy me a coffee

Overview

Related messages

CQ messages

UTC dates heard

-1 dB

Mean decoder S/N

Bands

20m

First seen: 2026-06-17
Last seen: 2026-06-17 17:11 UTC

Frequent QSO partners observed at SO8OO

Stations ES4RM worked most often, as logged from our receiver:

BG2FYO · China M0GQB · England LZ2VQ · Bulgaria JA1PSS · Japan BA3QIQ · China BI4XDT · China BI4IWL · China BI4JJO · China DA5UL · Fed. Rep. of Germany BD8SN · China

Locator transmitted by ES4RM

Approximate centre of KO49, decoded 2026-06-17 19:10 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	ES4RM S/N	Counterpart	Counterpart S/N	Msgs	Capture
06-17 19:10	20m	-3 / -14	BD8SN	-13 / -14	4	✓ Full exchange observed
06-17 19:07	20m	-6 / -	IU8UOQ	-11 / -15	3	Partial capture
06-17 19:03	20m	+1 / -10	BI4XDT	+11 / +7	5	✓ Full exchange observed
06-17 19:01	20m	-4 / -	M0GQB	- / +3	2	✓ Closing fragment
06-17 19:00	20m	- / -10	JA0LFV	-3 / -	6	Partial capture
06-17 18:57	20m	- / -	RV9WJP	+2 / -	4	Partial capture
06-17 18:56	20m	-1 / -9	BI4JJO	-6 / -3	8	✓ Full exchange observed
06-17 18:54	20m	- / -	DJ0MAB	0 / -	2	Partial capture
06-17 18:54	20m	- / -	RV9WJP	0 / -	2	Partial capture
06-17 18:52	20m	-5 / -	LZ2VQ	- / +10	2	✓ Closing fragment
06-17 18:50	20m	-3 / -6	JA1PSS	-1 / -1	5	✓ Full exchange observed
06-17 18:48	20m	0 / -14	DA5UL	-1 / -	4	✓ Closing observed
06-17 18:43	20m	-16 / -	JK1ATM	- / -15	2	Partial capture
06-17 18:39	20m	- / -11	BG2FYO	0 / -	2	✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

20m

UTC    dB Audio  Message
190430 +11 2611  ES4RM BI4XDT 73
190445  +0 3059  CQ DX ES4RM KO49 (x5)
190715 -11 3058  ES4RM IU8UOQ JM78
190730  -7 3058  IU8UOQ ES4RM -15 (x2)
190930  +6 3062  CQ DX ES4RM KO49 (x2)
191030  +2 3062  BD8SN ES4RM R-14
191045 -12 2530  ES4RM BD8SN RR73
191100  -8 3062  BD8SN ES4RM 73
191115 -14 2530  ES4RM BD8SN -14