SQ9MEZ — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Poland Most frequent locator attributed to this token: JO90

Receiver-side FT8 activity involving SQ9MEZ, decoded by SO8OO in southeastern Poland. 580 FT8 messages attributed to this token as transmitter, on 80m, 40m, across 14 UTC dates in the available aggregate history. Observed between 2026-06-21 and 2026-08-09.

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 580 FT8 messages attributed to SQ9MEZ as the transmitting token by decoded message structure across 14 UTC dates in the available aggregate history. The largest monitored-band total was 80 m (68%), followed by 40 m (32%). Most decodes (93%) fell within the six-hour window 15:00-21:00 UTC. Most successfully decoded messages attributed to this token fell in SO8OO's strong S/N range (90%); the estimated median was +6 dB.

Overview

580

Messages attributed

UTC dates decoded

Active 15-min windows

+6 dB

Estimated median S/N

Bands

80m · 395 40m · 185

First attributed message: 2026-06-21
Last attributed message: 2026-08-09 19:43 UTC

Observed FT8 message patterns

Attributed sample: 580 messages
Active dates: 14 UTC dates
Estimated median S/N: +6 dB
Estimated 10th-90th percentile: -8 to +14 dB
Recurring-pattern threshold: Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 4, moderate (-15 to -9 dB) 53, strong (≥ -8 dB) 523.

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 SQ9MEZ in decoded directed-looking exchanges:

SP7SZJ · Poland ×5 SQ5ABW · Poland ×5 SQ5FNT · Poland ×5 SQ9OUG · Poland ×5 SP9OJ · Poland ×5 SP1DL · Poland ×4 SQ5TA · Poland ×4 SP7VLU · Poland ×4 OM3CND · Slovak Republic ×3 SP2GRP · Poland ×3 SP6ZWD · Poland ×3 SP7CWZ · Poland ×3

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 SQ9MEZ

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: JO90 · 217 decoded messages
SO8OO receiver locator: KN09VW
Locator-centre separation: 208 km (approx.)
Last such locator decoded: 2026-08-09 19:43 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	SQ9MEZ S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-09 19:40	80m	+9 / -	SP7VLU	- / +5	3	Partial capture
08-09 19:39	80m	+12 / -	SP9LQ	- / -13	3	Partial capture
08-09 19:37	80m	- / -	SQ8JLE	+6 / -	11	Partial capture
08-09 19:36	80m	+14 / -	SP2KW	- / 0	6	✓ Closing fragment
08-09 19:34	80m	- / -7	OH3OJ/1	+6 / -	2	Partial capture
08-09 19:33	80m	+13 / -	SP5ROM	- / -8	2	✓ Closing fragment
08-09 19:30	80m	+10 / -	SP9LQ	- / -5	4	Partial capture
08-09 19:25	80m	+18 / -4	SP5MIG	+1 / -2	8	✓ Full exchange observed
08-09 19:25	80m	+20 / -18	SP7PGK	+10 / -10	7	✓ Full exchange observed
08-09 19:25	80m	- / -11	SP9KM	+6 / -	6	Partial capture
08-09 19:23	80m	+20 / -2	SP5KG	+11 / +8	5	✓ Full exchange observed
08-09 19:22	80m	+16 / -8	SP7MTU	+13 / +4	7	Partial capture
08-09 19:20	80m	+9 / -5	SQ5ABW	0 / +6	7	✓ Full exchange observed
08-09 19:20	80m	- / -	SQ8JLE	+11 / -	27	Partial capture
08-09 19:18	80m	+4 / -13	YO4NT	+4 / -2	4	✓ Full exchange observed
08-09 16:36	40m	- / -5	SP6ZWD	-12 / -	2	Partial capture
08-09 16:34	40m	- / -12	RA3XFR	-12 / -	2	Partial capture
08-09 16:33	40m	- / -5	SQ2HCN	-13 / -	5	Partial capture
08-08 19:01	80m	-2 / -4	SQ5TA	+16 / -	5	✓ Closing observed
08-08 18:59	80m	- / -	YL2NX	+5 / -	4	Partial capture
08-08 18:58	80m	0 / -8	SP7SZJ	+13 / -	3	✓ Closing observed
08-08 18:56	80m	+7 / -1	SP6ZWD	+11 / -7	10	✓ Full exchange observed
08-08 18:56	80m	+6 / +3	SQ9OUG	+6 / -	5	✓ Full exchange observed
08-08 18:06	40m	-3 / -	SP6ZWD	-13 / -8	3	✓ Closing observed
08-08 18:03	40m	-4 / -7	RZ6AOJ	-9 / -4	5	✓ Full exchange observed
08-08 17:59	40m	- / -1	SP6ZWD	-16 / -	10	Partial capture
08-08 17:58	40m	-4 / +2	SQ5ABW	-8 / +3	11	✓ Full exchange observed
08-08 17:57	40m	-2 / -	SQ5WBW	- / -5	3	Partial capture
08-03 18:32	80m	- / -3	SQ4WMA	-10 / -	3	Partial capture
08-03 18:30	80m	- / -2	SP4OIK	-17 / -	3	Partial capture
08-03 18:30	80m	- / -	SP9XG	-10 / -	2	Partial capture
08-03 18:29	80m	- / -	SO5ZGO	+10 / -	2	✓ Closing fragment
08-03 18:27	80m	+2 / -9	SQ5SCZ	+9 / +1	6	✓ Full exchange observed
08-03 18:26	80m	- / -	HF5A	+5 / -	3	Partial capture
08-03 18:26	80m	+1 / -	SP3CUG	+3 / -2	7	✓ Full exchange observed
08-03 18:22	80m	- / -	SP4OIK	-8 / -	3	Partial capture
08-03 18:19	80m	- / -	SQ8V	-6 / -	3	Partial capture
08-03 18:17	80m	+18 / +8	SP9BEB	+11 / -4	5	✓ Full exchange observed
08-03 18:17	80m	- / -	SP4OIK	-16 / -	2	Partial capture
08-03 15:06	40m	- / -	DL3AWB	-7 / -	3	✓ Closing fragment
08-03 14:44	40m	- / -	SP4OIK	-19 / -	11	Partial capture
08-03 12:51	20m	- / +9	YO6PPX	-7 / -	3	✓ Closing fragment
08-02 19:29	80m	-15 / +2	SQ9WDR	-4 / -11	4	✓ Full exchange observed
08-02 19:19	80m	-4 / -4	SP3PGZ	+2 / +1	7	✓ Full exchange observed
08-02 19:17	80m	+13 / -3	SQ3DAB	0 / -6	5	✓ Full exchange observed
08-02 19:11	80m	+12 / -2	SN5J	+12 / -5	6	✓ Full exchange observed
08-02 19:03	80m	+5 / +1	SQ8CTR	+12 / -8	5	✓ Full exchange observed
08-02 19:00	80m	+4 / -4	SQ5ABW	+5 / -	4	✓ Closing observed
08-02 19:00	80m	-2 / -14	US1MM	+4 / -	4	✓ Closing observed
08-02 18:59	80m	+9 / -16	R4FDD	-1 / -7	4	✓ Full exchange observed

Recent FT8 messages decoded at SO8OO

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

80m

UTC    dB Audio  Message
193915  +7 1230  SQ9MEZ SQ8JLE KO10
193930 +13  829  SP9LQ SQ9MEZ -13
193945  +4 1230  SQ9MEZ SQ8JLE KO10
194000 +11  829  SP9LQ SQ9MEZ -13
194015  +6 1230  SQ9MEZ SQ8JLE KO10
194030 +15  829  SP7VLU SQ9MEZ +05
194045  +4 1230  SQ9MEZ SQ8JLE KO10
194100  +5  829  SP7VLU SQ9MEZ +05
194115  +2 1230  SQ9MEZ SQ8JLE KO10
194130  +8  829  SP7VLU SQ9MEZ +05
194145  +7 1230  SQ9MEZ SQ8JLE KO10
194300 +15  829  CQ SQ9MEZ JO90
194315  +8 1230  SQ9MEZ SQ8JLE KO10
194330 +17  829  CQ SQ9MEZ JO90
194345  +9 1230  SQ9MEZ SQ8JLE KO10

40m

UTC    dB Audio  Message
180645  -1  854  SP6ZWD SQ9MEZ 73
180700 -23 1616  SQ9MEZ SP1DL JO73
163200 -15  957  SQ9MEZ SQ5ABW -08
163300 -13  919  SQ9MEZ SQ2HCN -05 (x3)
163400 -15 1194  SQ9MEZ RA3XFR -12 (x2)
163530 -12  919  SQ9MEZ SQ2HCN -05 (x2)
163600 -11  854  SQ9MEZ SP6ZWD -05
163615  -3  677  SQ9MEZ SP9OJ JN99
163700 -12  854  SQ9MEZ SP6ZWD -05
164030 -12  919  SQ9MEZ SQ2HCN RR73
164100 -12  855  SQ9MEZ SP6ZWD -05

20m

UTC    dB Audio  Message
140430 -10  593  SQ9MEZ TK5K -02
140730  -2 2775  SQ9MEZ F1PBZ -09
125115  -5 1106  SQ9MEZ YO6PPX KN26 (x3)

10m

UTC    dB Audio  Message
150930  -6  673  SQ9MEZ CR7BRV -06
151430 -13  817  SQ9MEZ ZA5G RR73
151600  -7 2446  SQ9MEZ DO1FDK JO41 (x2)
151715  -3  534  SQ9MEZ IQ0OS -02 (x2)
191745  -4  684  SQ9MEZ CE4WJK -03
192045 -13 2527  SQ9MEZ PE1NPS JO22
192345  -3 1483  SQ9MEZ LZ1ZF KN22 (x2)
195400  -6  375  SQ9MEZ S56MLZ -08 (x2)
201900 -16  917  SQ9MEZ OZ1BIN RRR

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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