SQ7FZR — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Poland Most frequent locator attributed to this token: KO01

Receiver-side FT8 activity involving SQ7FZR, decoded by SO8OO in southeastern Poland. 61 FT8 messages attributed to this token as transmitter, on 40m, 20m, across 16 UTC dates in the available aggregate history. Observed between 2026-06-08 and 2026-09-19.

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 61 FT8 messages attributed to SQ7FZR as the transmitting token by decoded message structure across 16 UTC dates in the available aggregate history. The largest monitored-band total was 40 m (56%), followed by 20 m (44%). Several six-hour UTC windows tied for the largest share (97%), so no unique busiest interval is claimed. Received S/N was mixed across SO8OO's weak, moderate and strong ranges; the estimated median was -10 dB.

Overview

Messages attributed

UTC dates decoded

Active 15-min windows

-10 dB

Estimated median S/N

Bands

40m · 34 20m · 27

First attributed message: 2026-06-08
Last attributed message: 2026-09-19 17:49 UTC

Observed FT8 message patterns

Attributed sample: 61 messages
Active dates: 16 UTC dates
Estimated median S/N: -10 dB
Estimated 10th-90th percentile: -19 to +7 dB
Recurring-pattern threshold: Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 13, moderate (-15 to -9 dB) 26, strong (≥ -8 dB) 22.

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 SQ7FZR in decoded directed-looking exchanges:

9A4DK · Croatia CR7BRV · Portugal CR7BUJ · Portugal CT1BFP · Portugal CT7AUT · Portugal CT7BQA · Portugal E70SZ · Bosnia-Herzegovina EA4RKC · Spain F1PBZ · France F5AYL · France IK4LZH · Italy IU1CYA · Italy

Attributed messages by UTC hour

Rolling 90-day UTC chart window. Counts follow decoded message structure: the first token for CQ, or the second token in a directed-looking message.

Most frequent locator attributed to SQ7FZR

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: KO01 · 25 decoded messages
SO8OO receiver locator: KN09VW
Locator-centre separation: 182 km (approx.)
Last such locator decoded: 2026-09-19 17:48 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	SQ7FZR S/N	Counterpart	Counterpart S/N	Msgs	Capture
09-19 17:48	40m	-2 / -	BH8SDS	- / -23	2	Partial capture
09-18 21:25	40m	- / -	DL1UDO	-22 / -	2	Partial capture
09-18 21:12	40m	- / -1	2E0UMK	-16 / -	3	✓ Closing fragment
09-17 19:12	40m	- / -9	DD1OO	+1 / -	3	✓ Closing fragment
09-17 19:10	40m	- / -8	UR4QWW	-1 / -	3	✓ Closing fragment
09-17 19:08	40m	- / -3	DL3RDO	-6 / -	2	Partial capture
09-17 18:50	40m	- / -6	RN6MA	-8 / -	2	✓ Closing fragment
09-15 15:59	40m	-12 / -10	RC9WC	-10 / -14	4	✓ Full exchange observed
09-14 17:36	40m	-14 / -	JN7DOS	- / -15	2	✓ Closing fragment
09-14 17:36	40m	-16 / -15	SP3HIF	-3 / -2	6	✓ Full exchange observed
09-14 17:35	40m	-14 / +7	R5AV	+2 / -5	3	✓ Full exchange observed
09-13 15:52	40m	- / -14	R7MP	-6 / -	3	Partial capture
09-13 15:49	40m	- / +8	UX5UW	+6 / -	3	✓ Closing fragment
09-12 13:35	40m	-15 / -	OH2DJY	- / -	2	Partial capture
09-10 17:13	40m	- / -3	UB0AMB	-12 / -	2	✓ Closing fragment
09-06 16:32	40m	-16 / -6	SN1A	-2 / -9	5	✓ Full exchange observed
09-06 16:31	40m	-16 / +2	UA3PAB	+2 / -	4	✓ Closing observed
09-06 16:24	40m	- / -14	UA3GDJ	0 / -	3	✓ Closing fragment
09-05 15:53	40m	-8 / -	OH7KB	- / -4	2	Partial capture
08-30 18:39	20m	- / -	M0IEP	-3 / -	3	Partial capture
08-30 17:05	40m	-9 / -	RA9CUU	-11 / -19	5	✓ Closing observed
08-29 08:23	20m	- / -	R7OV	-9 / -	3	Partial capture
08-28 18:05	20m	- / -1	M0IEP	+2 / -	2	✓ Closing fragment
08-28 18:00	20m	- / +1	SV1TRJ	-7 / -	2	Partial capture
08-28 16:20	20m	- / -	M0IEP	-2 / -	4	Partial capture
08-27 19:00	20m	- / -8	PC9F	+6 / -	2	Partial capture
08-27 18:59	20m	- / -	M0IEP	+1 / -	3	Partial capture
08-25 20:10	20m	- / +2	ON1JP	-6 / -	2	Partial capture
08-23 16:41	40m	-15 / 0	HG7JLG	+6 / -8	3	✓ Full exchange observed
08-23 11:29	20m	- / -	F1PSX	-4 / -	10	Partial capture
08-22 19:40	20m	- / -	PD0RCQ	-7 / -	2	✓ Closing fragment
08-21 20:57	20m	- / +4	OE8PIT	+1 / -	4	Partial capture
08-21 20:56	20m	-21 / -	DL1R	+14 / 0	9	Partial capture
08-21 09:22	20m	- / +9	E70SZ	-12 / -	4	✓ Closing fragment
08-20 21:17	20m	- / -	M7XEI	-9 / -	3	Partial capture
08-20 21:02	20m	- / -12	YV6BXN	-10 / -	2	✓ Closing fragment
08-15 18:59	20m	- / -	DG2EBG	-16 / -	4	Partial capture
08-15 18:55	20m	- / -	M8KKH	-6 / -	2	Partial capture
08-14 19:04	20m	- / -18	CT1BFP	-14 / -	2	✓ Closing fragment
08-13 19:05	20m	- / -10	ON1DGN	-22 / -	2	✓ Closing fragment
08-11 19:38	20m	- / -	ON3ZEP	-10 / -	2	Partial capture
08-08 09:10	20m	- / -	PD1ADA	-13 / -	8	Partial capture
08-08 09:10	20m	- / -	PD3LKN	-5 / -	9	Partial capture
08-07 17:41	20m	- / -	DH1KU	-12 / -	11	Partial capture
08-06 17:40	20m	- / +2	CR7BRV	-9 / -	2	✓ Closing fragment
08-04 19:07	20m	- / -	UR5VLC	-16 / -	2	✓ Closing fragment
08-04 19:02	20m	- / -19	UT4QM	-17 / -	3	✓ Closing fragment
08-01 20:06	20m	- / -1	CT7AUT	-12 / -	3	✓ Closing fragment
07-31 18:16	20m	- / -7	F1PBZ	-2 / -	2	✓ Closing fragment
07-29 19:10	20m	- / -6	IU1CYA	-11 / -	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
191000  +4 2483  SQ7FZR UR4QWW KN77 (x3)
191100  -7 2036  SQ7FZR GJ0KYZ -12
191200  +0 2036  SQ7FZR DD1OO JN49 (x3)
211245 -13 2035  SQ7FZR 2E0UMK IO92 (x3)
212515 -22 2103  SQ7FZR DL1UDO JO31 (x2)
174745  -4 2034  BG4UCZ SQ7FZR KO01
174845  -2 2033  BH8SDS SQ7FZR KO01 (x2)

20m

UTC    dB Audio  Message
180115  -9 2077  SQ7FZR SV1TRJ R+01
180315 -19 2024  SQ7FZR RJ2T LO26
180545  +4 2078  SQ7FZR M0IEP R-01 (x2)
180900 -18 2079  HI8S SQ7FZR -16
082330 -12 1629  SQ7FZR R7OV KN87 (x3)
100315 -10 1679  SQ7FZR SV5BYP -14
185130 -23 1629  SQ7FZR F1POK JN27
183945  -5 1628  SQ7FZR M0IEP IO91 (x3)
184045 -14 1564  SQ7FZR DB1EF JO41
184945 -17 1651  SQ7FZR M7JVT IO94

10m

UTC    dB Audio  Message
184800 -14 1495  SQ7FZR DL3NGN JN59
175030 -24 1440  SQ7FZR EA3DYI JN11
180300 -14 2435  SQ7FZR DO5PY R+07

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.

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