SQ5EXI — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Poland Most frequent locator attributed to this token: KO02

Receiver-side FT8 activity involving SQ5EXI, decoded by SO8OO in southeastern Poland. 571 FT8 messages attributed to this token as transmitter, on 160m, 80m, 60m, 40m, across 27 UTC dates in the available aggregate history. Observed between 2026-08-23 and 2026-09-20.

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 571 FT8 messages attributed to SQ5EXI as the transmitting token by decoded message structure across 27 UTC dates in the available aggregate history. The largest monitored-band total was 40 m (57%), followed by 80 m (38%) and 60 m (4%). Most decodes (56%) fell within the six-hour window 16:00-22:00 UTC. Most successfully decoded messages attributed to this token fell in SO8OO's strong S/N range (91%); the estimated median was +3 dB.

Overview

571

Messages attributed

UTC dates decoded

160

Active 15-min windows

+3 dB

Estimated median S/N

Bands

160m · 7 80m · 217 60m · 22 40m · 325

First attributed message: 2026-08-23
Last attributed message: 2026-09-20 07:30 UTC

Observed FT8 message patterns

Attributed sample: 571 messages
Active dates: 27 UTC dates
Estimated median S/N: +3 dB
Estimated 10th-90th percentile: -8 to +12 dB
Recurring-pattern threshold: Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 8, moderate (-15 to -9 dB) 44, strong (≥ -8 dB) 519.

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 SQ5EXI in decoded directed-looking exchanges:

II7MGBT · Italy ×2 II7IABB · Italy ×2 S57TW · Slovenia ×2 S58MU · Slovenia ×2 SN1A · Poland ×2 UK8OM · Uzbekistan ×2 UT4PA · Ukraine ×2 G4ZFJ · England ×2 OK1ZJK · Czech Republic BV2NF · Taiwan DL5SUA · Fed. Rep. of Germany F5RRS · France

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 SQ5EXI

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: KO02 · 5 decoded messages
SO8OO receiver locator: KN09VW
Locator-centre separation: 290 km (approx.)
Last such locator decoded: 2026-09-14 09:25 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	SQ5EXI S/N	Counterpart	Counterpart S/N	Msgs	Capture
09-20 06:17	40m	+8 / -	R3RRC/P	- / -11	2	Partial capture
09-20 06:17	40m	- / -	US2UM	+2 / -	3	Partial capture
09-20 06:14	40m	0 / -	SO100PKP	- / +4	2	Partial capture
09-20 05:05	80m	+4 / -	SO100PKP	- / -7	2	Partial capture
09-19 22:23	80m	+7 / -	II7IAME	- / -8	2	Partial capture
09-19 22:21	80m	+12 / -	LZ936BA	- / -13	2	Partial capture
09-19 21:49	80m	+9 / -	SN40KZE	- / -8	2	Partial capture
09-19 21:42	80m	+10 / -	DB100FT	- / -7	5	Partial capture
09-19 20:17	80m	+11 / -8	HF100PKP	+1 / -10	2	Partial capture
09-19 18:15	80m	+6 / -	SN100PKP	- / -9	2	Partial capture
09-19 15:12	40m	- / -16	RU3FM	-6 / -	3	✓ Closing fragment
09-19 15:09	40m	-1 / -	3Z100PKP	-7 / -7	3	Partial capture
09-19 15:07	40m	-1 / -	SN100PKP	+1 / -4	2	Partial capture
09-19 07:28	40m	+6 / -3	OS4K	-17 / -16	3	✓ Full exchange observed
09-19 07:27	40m	-1 / +9	SP100PKP	-12 / -4	2	Partial capture
09-19 06:28	40m	+7 / -	W1AW/9	- / -10	2	Partial capture
09-19 06:18	80m	+8 / -1	SO100PKP	+5 / -11	2	Partial capture
09-18 21:36	80m	- / -	DO8JB	-17 / -	7	Partial capture
09-18 21:32	80m	+10 / -10	HF100PKP	-6 / -11	2	Partial capture
09-18 21:28	80m	+9 / -5	DO1ID	-4 / -8	4	✓ Full exchange observed
09-18 21:27	80m	+7 / -	II7IABB	0 / -17	4	✓ Closing observed
09-18 21:25	80m	+6 / -	II7IAME	- / -12	3	Partial capture
09-18 18:07	60m	+5 / -3	II0IHMG	-16 / -19	2	Partial capture
09-18 12:02	40m	-6 / +10	HF100PKP	-7 / -2	2	Partial capture
09-17 21:30	80m	+9 / -15	II9IAGM	-6 / -9	3	Partial capture
09-17 21:29	80m	-3 / -5	II6IGTO	-21 / -20	3	Partial capture
09-17 21:28	80m	+3 / -5	II8IHBC	-6 / -7	2	Partial capture
09-17 12:09	40m	+2 / -	N4OKN/P	- / +2	2	Partial capture
09-17 11:56	40m	-4 / -	OE5ABL	- / -9	2	✓ Closing fragment
09-17 09:31	40m	+7 / -12	DK7UY	-5 / -8	5	✓ Full exchange observed
09-17 09:30	40m	-3 / -	SO100PKP	-8 / +2	2	Partial capture
09-17 09:27	40m	-2 / -	DM0CRACY	- / -13	2	Partial capture
09-17 08:59	40m	-3 / -	PA0EBG	- / -14	2	✓ Closing fragment
09-17 08:58	40m	-3 / +8	SP100PKP	-10 / -3	2	Partial capture
09-17 07:47	40m	- / -	US2UM	+5 / -	4	Partial capture
09-17 07:46	40m	+8 / -10	II7IABB	-14 / -8	6	✓ Full exchange observed
09-17 07:45	40m	-2 / -14	II0IHMG	-20 / -13	2	Partial capture
09-17 06:06	80m	-2 / -16	SN1A	-12 / -12	5	✓ Full exchange observed
09-17 06:05	80m	+5 / -	SN100PKP	+10 / -18	2	Partial capture
09-16 18:43	60m	- / 0	II8IHBC	-10 / -	2	Partial capture
09-16 18:42	60m	+8 / -	II9IAGM	- / -7	2	Partial capture
09-16 14:55	40m	-3 / -	SQ100PKP	-8 / -1	2	Partial capture
09-16 14:53	40m	+4 / -	II6IALU	- / -9	3	Partial capture
09-16 11:41	40m	-10 / -	II4IANT	- / -15	2	Partial capture
09-16 10:39	40m	-1 / -9	II8IHBC	-23 / -21	3	Partial capture
09-16 07:38	40m	- / -	DG3AWF	-10 / -	2	Partial capture
09-16 07:37	40m	- / -9	OK1HEH	+4 / -	3	✓ Closing fragment
09-16 07:27	40m	- / -7	IK4TVP	-16 / -	5	Partial capture
09-16 07:25	40m	- / -	IU8RFW	-10 / -	2	Partial capture
09-15 19:17	40m	-18 / +3	II6IALU	+5 / -15	2	Partial capture

Recent FT8 messages decoded at SO8OO

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

40m

UTC    dB Audio  Message
061545  -1 1476  SO100PKP SQ5EXI +00
061700  -1 2196  SQ5EXI US2UM KO50 (x2)
061745  +5  610  R3RRC/P SQ5EXI -11
061800  +1 2196  SQ5EXI US2UM KO50
061845 +10  610  R3RRC/P SQ5EXI -12
061945  +8  610  II6IALU SQ5EXI -03
062145  +2  978  TM60LOUV SQ5EXI -08
062200 -13  572  SQ5EXI II8IHBC R+00
072415  +0 1218  SN100PKP SQ5EXI -13
072445  -1 1163  UB3AVN/P SQ5EXI -12
072600  -1 1163  SQ5EXI SP2EOE -12
072800  -1 1163  II0IHMG SQ5EXI -09
072815 -17 1376  SQ5EXI II4IANT R-09
073045  -4 1163  II4IANT SQ5EXI -09

80m

UTC    dB Audio  Message
215115 +12 2728  HF100PKP SQ5EXI -08
215245  +1 1131  UB3ADO/P SQ5EXI -08
215345  +9 1214  SP100PKP SQ5EXI -08
221815 +10  713  II4IANT SQ5EXI -12
221845  +3  607  DM0CRACY SQ5EXI -13
222145 +12 1171  LZ936BA SQ5EXI -13 (x2)
222345  +4 1204  II7IAME SQ5EXI -08 (x2)
222615 +10 2697  II8IHBC SQ5EXI -11
222715 +12 2739  R3RRC/P SQ5EXI -08
223800  -6 1203  SQ5EXI II7IAME R-09
050545  +2 1608  SO100PKP SQ5EXI -07 (x2)
050715  +8 1184  <HF100PKP> SQ5EXI -04

60m

UTC    dB Audio  Message
193730  -2 2463  SQ5EXI SV1EKI KM18
194545  +6 2182  II7MGBR SQ5EXI -15
182730  -2 1631  <II7MGBT> SQ5EXI -06 (x2)
182845  -4 1632  SQ5EXI II7MGBT R-07
215245  +7  461  II7MGXX SQ5EXI -19
184215  +8  635  II9IAGM SQ5EXI -07
184245 +15  491  OZ/DF4ZL SQ5EXI -07
184300  -3  634  SQ5EXI II8IHBC R+00
184345  +9  491  II9IAGM SQ5EXI -19
184400 -16 1365  SQ5EXI II8IHBC R-08
180745  +5  870  II0IHMG SQ5EXI -19
180800 -16  871  SQ5EXI II0IHMG R-03
180900  -9  228  SQ5EXI SH0T JO99
220600 -21 1471  SQ5EXI II8IHBC R+05

160m

UTC    dB Audio  Message
200400 -18 2325  YL3CW SQ5EXI -15
200530 -14  626  SP9MRO SQ5EXI -08 (x2)
200915 +21  617  SQ5EXI SP9MRO R-08 (x2)
204700  +9  887  SQ5EXI HF100PKP R-08
204730 +17  887  SQ5EXI RR73; DL5CG <...> +02
211045  -9 1073  <SQ100PKP> SQ5EXI -09
211415 -15 1021  RT4A/P SQ5EXI -04 (x3)
195930 +12  830  SQ5EXI RR73; YO2DSA <...> -18

20m

UTC    dB Audio  Message
085100  +9 2105  SQ5EXI II7MGBT RR73
085300  +1 2469  SQ5EXI RX3VF LO06 (x3)
060345  +8 1862  SQ5EXI OS4K -06
060345 -20 1294  SQ5EXI II7MGXX R+01
061330  -6 2104  SQ5EXI II7MGBT R+06 (x2)
082300 -14 1189  SQ5EXI F5PBG R-08
082400 -16 3070  SQ5EXI IZ6BYS JN72
082400  -6 1190  SQ5EXI EB3JT JN01
082430 -15 3070  SQ5EXI IZ6BYS JN72
082430 -10 1190  SQ5EXI EB3JT JN01
094330 -17 2221  SQ5EXI <...> R-02
142845  -8 1689  SQ5EXI F5OYA/P R-08

10m

UTC    dB Audio  Message
080430 -10  590  SQ5EXI OK1ZJK 73

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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