KR4BQZ — reception at SO8OO

Signals decoded by SO8OO in southeastern Poland. FT8 and CW have separate histories; all times are UTC.

FT8 activity

DXCC entity inferred from callsign: United States Most frequent locator attributed to this token: EM74

Receiver-side FT8 activity involving KR4BQZ, decoded by SO8OO in southeastern Poland. 60 FT8 messages attributed to this token as transmitter, on 80m, 20m, across 6 UTC dates in the available aggregate history. Observed between 2026-06-10 and 2026-09-15.

These are automated observations at the SO8OO receiver, not an official contact log. Times are UTC. Attribution follows decoded FT8 message structure: CQ uses the first token and directed-looking messages use the second. Free text that resembles a directed message can be attributed imperfectly. Summary S/N reflects propagation plus SO8OO receiver, antenna and local-noise conditions. Counts are not adjusted for monitoring outages; transmissions that were not decoded are absent. Inferred entity and location data may be inaccurate for portable, remote or special-event operation.

SO8OO decoded 60 FT8 messages attributed to KR4BQZ as the transmitting token by decoded message structure across 6 UTC dates in the available aggregate history. The largest monitored-band total was 20 m (98%), followed by 80 m (2%). Most decodes (100%) fell within the six-hour window 00:00-06:00 UTC. Received S/N was mixed across SO8OO's weak, moderate and strong ranges; the estimated median was -14 dB.

Overview

Messages attributed

UTC dates decoded

Active 15-min windows

-14 dB

Estimated median S/N

Bands

80m · 1 20m · 59

First attributed message: 2026-06-10
Last attributed message: 2026-09-15 04:41 UTC

Observed FT8 message patterns

Attributed sample: 60 messages
Active dates: 6 UTC dates
Estimated median S/N: -14 dB
Estimated 10th-90th percentile: -24 to -8 dB
Recurring-pattern threshold: Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 27, moderate (-15 to -9 dB) 21, strong (≥ -8 dB) 12.

WSJT-X defines S/N reports against a 2,500 Hz reference noise bandwidth. The ranges above are SO8OO receiver-side display categories, not official WSJT-X classes, transmitter-power measurements or estimates of how easy the station is to hear elsewhere. Statistics include only successful decodes on SO8OO's monitored FT8 channels; transmissions that were not decoded are absent.

Frequent counterpart tokens observed at SO8OO

Tokens most often paired with KR4BQZ in decoded directed-looking exchanges:

RC6OG · European Russia SV1SSL · Greece TA2FE · Asiatic Turkey UR3LM · Ukraine UT7UJ · Ukraine TT1GD · Chad EA1IOK · Spain EC3A · Spain F1PBZ · France F4EGM · France F5PBG · France F5RRS · France

Most frequent locator attributed to KR4BQZ

The map compares the centres and boundaries of the locator field attributed to this token by decoded message structure, 2° × 1° as a Maidenhead square, and SO8OO's six-character receiver square. The separation is not an exact antenna-to-antenna distance or a radio-path length.

Attributed locator: EM74 · 15 decoded messages
SO8OO receiver locator: KN09VW
Locator-centre separation: 8,198 km (approx.)
Last such locator decoded: 2026-08-27 05:08 UTC

A decoded locator can describe portable, remote or special-event operation and is not proof of a permanent station address or transmitter identity.

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	KR4BQZ S/N	Counterpart	Counterpart S/N	Msgs	Capture
11-05 02:26	80m	- / -17	UT5EL	+18 / -	2	✓ Closing fragment
11-01 06:11	80m	- / -9	F4EGM	-8 / -	2	✓ Closing fragment
11-01 06:08	80m	- / -	F4LZZ	-8 / -	2	Partial capture
11-01 06:08	80m	- / -	OM2KI	+20 / -	3	Partial capture
11-01 06:01	80m	- / -	OM2KI	+13 / -	3	Partial capture
11-01 05:29	80m	- / -16	EC3A	-10 / -	2	✓ Closing fragment
10-25 05:42	80m	- / -	F4EGM	0 / -	2	Partial capture
10-25 05:42	80m	- / -	HB9FEL	+8 / -	2	Partial capture
10-25 05:37	80m	- / -	IK5CHL	-2 / -	2	Partial capture
10-25 05:37	80m	- / -	SM3ULU	-8 / -	2	Partial capture
10-25 05:36	80m	- / -	F4LZZ	+2 / -	2	Partial capture
10-25 05:35	80m	- / -13	F4CQS	-22 / -	2	Partial capture
10-25 05:34	80m	- / -	DO1FHQ	-3 / -	4	Partial capture
10-25 05:33	80m	- / -	F4EGM	-1 / -	5	Partial capture
10-25 05:32	80m	- / -	F4LZZ	-8 / -	2	Partial capture
10-25 05:32	80m	- / -1	F4CQS	-17 / -	3	Partial capture
10-25 05:32	80m	- / -	G0BLB	+8 / -	2	Partial capture
10-25 05:32	80m	- / -	PA3FPQ	+11 / -	2	Partial capture
10-25 05:32	80m	- / -13	SP1MGM	+8 / -	6	Partial capture
10-25 05:01	80m	- / -	EA3HMM	-2 / -	3	Partial capture
10-25 04:12	80m	- / -16	IQ4JO	+5 / -	4	✓ Closing fragment
10-25 04:11	80m	- / -	DL8LE	+21 / -	11	Partial capture
10-25 04:09	80m	- / -13	ON1JP	-21 / -	2	Partial capture
10-25 03:53	80m	- / -12	F4CQS	-20 / -	2	Partial capture
10-25 03:50	80m	- / -	DO1FHQ	+1 / -	8	Partial capture
10-25 03:48	80m	- / -12	IZ0RVI	+18 / -	3	✓ Closing fragment
10-25 03:42	80m	- / -	IZ0RVI	+18 / -	2	Partial capture
10-25 03:32	80m	- / -17	I1FQH	+12 / -	2	✓ Closing fragment
10-25 03:29	80m	- / -20	EB3JT	-14 / -	11	Partial capture
10-25 03:29	80m	- / -	HB9BWE	+10 / -	2	Partial capture
10-16 03:21	80m	- / -24	DK7ZT	+12 / -	5	Partial capture
10-15 05:02	80m	- / -1	F5PBG	+3 / -	3	✓ Closing fragment
10-15 05:01	80m	- / -	ON7HM	-4 / -	2	Partial capture
10-15 05:01	80m	- / -	EA7ALL	-3 / -	3	Partial capture
10-11 05:02	80m	- / -12	HB9EFK	+6 / -	2	✓ Closing fragment
09-30 03:57	80m	- / -16	OE8DDX	+22 / -	2	✓ Closing fragment
09-20 05:01	80m	- / -8	EA1IOK	-15 / -	6	✓ Closing fragment
09-16 05:10	80m	- / -12	PA4PA	+1 / -	2	✓ Closing fragment
09-16 04:59	80m	- / -	IZ2QPP	-14 / -	4	Partial capture
09-16 04:59	80m	- / -15	F5RRS	-11 / -	3	✓ Closing fragment
09-15 04:52	80m	- / -1	DO1ID	+9 / -	3	Partial capture
09-15 04:48	80m	- / -13	IN3WZS	-3 / -	8	✓ Closing fragment
09-15 04:48	80m	- / -	PA3KUS	-6 / -	5	Partial capture
09-15 04:42	80m	- / -	DL1UDO	-4 / -	3	Partial capture
09-15 04:42	80m	- / -12	F1PBZ	-2 / -	11	✓ Closing fragment
09-15 04:41	80m	- / -	PA3KUS	-1 / -	5	Partial capture
09-14 05:38	80m	- / -25	ON7GB	-6 / -	4	✓ Closing fragment
08-30 23:50	40m	- / -	TT1GD	-12 / -	2	✓ Closing fragment
08-27 05:28	20m	- / -	DL1R	+5 / -	6	Partial capture
08-27 05:28	20m	- / -	RK4F	+12 / -	2	Partial capture

Recent FT8 messages decoded at SO8OO

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

80m

UTC    dB Audio  Message
052945  -9 1911  KR4BQZ EC3A -16 (x2)
060100 +13 1285  KR4BQZ OM2KI JN88 (x4)
060800  -7  904  KR4BQZ F4LZZ JN09
060830 +20 1285  KR4BQZ OM2KI JN88
060830 -10  904  KR4BQZ F4LZZ JN09
060845  +2 1754  KR4BQZ F4EGM JN29
060900 +19 1285  KR4BQZ OM2KI JN88
061145  -8 1754  KR4BQZ F4EGM R-09 (x2)
022600 +17 2395  KR4BQZ UT5EL -17 (x2)

40m

UTC    dB Audio  Message
001630  +3 1069  KR4BQZ EB1LA IN73
002145  +9 1066  KR4BQZ PC2J JO22 (x4)
002415 -22 1906  KR4BQZ DK7ZT -07 (x3)
002745  +2  439  KR4BQZ IK4LZH JN54 (x3)
234300 -11  542  KR4BQZ W2/CT1GIF -16
235000 -11  445  KR4BQZ TT1GD RR73 (x2)
055945 -18 1904  KR4BQZ EA3BD R-22

20m

UTC    dB Audio  Message
051600  -2 1643  KR4BQZ SV1SSL R-15
052015 -17 1984  YO9HP KR4BQZ R-10
052630  -8  995  KR4BQZ SV1SSL KM18 (x2)
052700 -17 2257  KR4BQZ RC6OG KN98
052730  -3  995  KR4BQZ SV1SSL 73
052800 +12 1985  KR4BQZ RK4F LO23
052800  -3 2657  KR4BQZ DL1R JN58
052830 +13 1985  KR4BQZ RK4F LO23
052830 -12 2257  KR4BQZ RC6OG 73
052830  +4 2657  KR4BQZ DL1R JN58 (x5)

Decoder S/N history by band

Count-weighted daily averages across messages attributed to this profiled token and successfully decoded at SO8OO, limited to the rolling 90-day UTC chart window.

CW

No CW receptions recorded for this callsign in the last 30 days.

Explore CW reception at SO8OO

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