SA7CTL — 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: Sweden Most frequent locator attributed to this token: JO65

Receiver-side FT8 activity involving SA7CTL, decoded by SO8OO in southeastern Poland. 218 FT8 messages attributed to this token as transmitter, on 80m, 60m, 40m, 20m, 10m, across 29 UTC dates in the available aggregate history. Observed between 2026-06-08 and 2026-10-03.

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 218 FT8 messages attributed to SA7CTL as the transmitting token by decoded message structure across 29 UTC dates in the available aggregate history. The largest monitored-band total was 40 m (58%), followed by 80 m (22%) and 60 m (13%). Most decodes (59%) fell within the six-hour window 04:00-10:00 UTC. Received S/N was mixed across SO8OO's weak, moderate and strong ranges; the estimated median was -13 dB.

Overview

218

Messages attributed

UTC dates decoded

Active 15-min windows

-13 dB

Estimated median S/N

Bands

80m · 49 60m · 29 40m · 127 20m · 9 10m · 4

First attributed message: 2026-06-08
Last attributed message: 2026-10-03 16:58 UTC

Observed FT8 message patterns

Attributed sample: 218 messages
Active dates: 29 UTC dates
Estimated median S/N: -13 dB
Estimated 10th-90th percentile: -21 to -6 dB
Recurring-pattern threshold: Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 67, moderate (-15 to -9 dB) 107, strong (≥ -8 dB) 44.

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 SA7CTL in decoded directed-looking exchanges:

DK7TX · Fed. Rep. of Germany ×3 F1PBZ · France ×2 LZ2VQ · Bulgaria ×2 G0LKL · England ×2 HG8LXL · Hungary ×2 F5JUS · France HB9DLT · Switzerland EC5M · Spain F1NQP · France F4BYA · France G8KHF · England OK1DBE · Czech Republic

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 SA7CTL

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: JO65 · 135 decoded messages
SO8OO receiver locator: KN09VW
Locator-centre separation: 855 km (approx.)
Last such locator decoded: 2026-10-03 16:58 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	SA7CTL S/N	Counterpart	Counterpart S/N	Msgs	Capture
10-03 17:01	80m	- / -24	EW2ZC	+12 / -	4	Partial capture
10-03 16:52	80m	-16 / -10	SA6DST	-4 / +4	5	✓ Full exchange observed
10-03 16:49	80m	-6 / -8	OE5DML	+3 / +3	5	✓ Full exchange observed
10-02 05:52	80m	- / -23	DO9YU	-21 / -	3	Partial capture
10-02 05:48	80m	- / -7	DO7RMS	-4 / -	4	✓ Closing fragment
10-02 05:47	80m	- / -12	SP3IPA	+12 / -	2	✓ Closing fragment
10-02 05:44	80m	- / -20	G0BLB	-2 / -	4	✓ Closing fragment
10-02 05:33	40m	- / -	IU8RFW	-6 / -	3	Partial capture
09-27 09:01	40m	- / -	SP1ZMO	-10 / -	3	Partial capture
09-27 08:46	40m	- / -3	SP9CKS	-9 / -	4	✓ Closing fragment
09-26 14:49	40m	-16 / -17	OE9GWV	-13 / -	7	✓ Closing observed
09-26 14:43	40m	-16 / -	OH4EBD	-12 / -	3	✓ Closing observed
09-26 14:43	40m	- / -	DL7OI	-1 / -	2	✓ Closing fragment
09-26 14:38	40m	-5 / -	SA4JIK	- / -	4	Partial capture
09-25 06:18	60m	- / -	OE5YCP	-18 / -	2	Partial capture
09-25 06:16	60m	-16 / -11	HG8LXL	-3 / -	8	✓ Closing observed
09-22 06:11	80m	-15 / -14	PA3CPS	-1 / +4	4	✓ Full exchange observed
09-20 15:06	40m	-22 / -16	DL2VN	-7 / -8	6	✓ Full exchange observed
09-20 15:00	40m	- / -9	SQ9BDB	-4 / -	3	✓ Closing fragment
09-20 14:59	40m	- / -11	SM7VGQ	-6 / -	2	Partial capture
09-20 14:59	40m	- / -11	3Z100PKP	-11 / -	2	Partial capture
09-19 15:57	40m	-12 / -	HF100PKP	- / -	2	Partial capture
09-19 06:52	60m	-12 / -9	DG6TOM	-3 / -10	5	✓ Full exchange observed
09-19 06:49	60m	-5 / -	F5RMK	- / -6	3	✓ Closing fragment
09-18 05:17	80m	- / 0	DO1ID	+8 / -	2	Partial capture
09-18 05:16	80m	-10 / -	ON3MOH	-18 / -10	3	✓ Closing observed
09-18 05:15	80m	-14 / -	DL3FBI	- / -9	2	✓ Closing fragment
09-17 16:53	80m	-9 / -10	5P1KZX	-4 / -	4	✓ Closing observed
09-17 06:30	40m	- / -22	US2UM	-4 / -	4	Partial capture
09-17 06:27	40m	- / -	HA7TM	+7 / -	3	Partial capture
09-17 06:18	80m	- / -	DL1FAM	-10 / -	3	Partial capture
09-17 06:15	80m	- / -	DO7AGN	-14 / -	2	Partial capture
09-15 05:53	60m	-14 / -12	IK4CBO	-17 / -12	6	✓ Full exchange observed
09-15 05:42	40m	-12 / -	M9HEB	- / -9	2	Partial capture
09-14 06:31	40m	-15 / -	SM3ULU	- / -2	2	✓ Closing fragment
09-14 06:27	40m	-3 / -	G8OO	- / -	2	Partial capture
09-12 20:49	80m	-12 / -	G4FHL	- / -	2	Partial capture
09-12 20:47	80m	-19 / -	OZ1A	- / -1	3	✓ Closing fragment
09-12 20:45	80m	- / -15	DO3PKE	-5 / -	4	✓ Closing fragment
09-12 20:44	80m	- / -24	LZ2VQ	+5 / -	3	✓ Closing fragment
09-12 09:44	40m	- / -	SP9AU	-14 / -	3	Partial capture
09-12 09:43	40m	- / -	SP9XG	-13 / -	3	Partial capture
09-12 09:43	40m	- / -15	HG8LXL	-3 / -	5	✓ Closing fragment
09-12 09:36	40m	- / -	SP9VEY	-10 / -	2	Partial capture
09-12 09:35	40m	- / -18	OE5ABL	-7 / -	5	Partial capture
09-11 05:30	40m	0 / -	LA/DM2RM	- / -	2	Partial capture
09-11 05:28	40m	-7 / -	OO0O	- / -	3	Partial capture
09-11 05:24	60m	-24 / -	DL4YDR	-21 / -1	2	Partial capture
09-11 05:24	60m	-2 / -1	F5HNQ	-22 / -2	3	Partial capture
09-11 05:17	80m	-11 / -	<...>	- / -	3	Partial capture

Recent FT8 messages decoded at SO8OO

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

80m

UTC    dB Audio  Message
165015  -7 2698  OE5DML SA7CTL RR73
165030  +7 2698  SA7CTL OE5DML 73
165215 -13 1208  TF4M SA7CTL JO65
165230 -10 2449  SA7CTL SA6DST JO67
165245 -18 1208  SA6DST SA7CTL +04
165300  +0 2449  SA7CTL SA6DST R-10
165315 -13 2449  SA6DST SA7CTL RR73
165330  -2 2449  SA7CTL SA6DST 73
165345 -15 2449  CQ SA7CTL JO65
165545 -24 1691  IZ8DFO SA7CTL JO65
165845 -18 2008  EW2ZC SA7CTL JO65
170100 +13 2006  SA7CTL EW2ZC -24 (x4)

40m

UTC    dB Audio  Message
145230 -11 2493  SA7CTL OE9GWV R-17
083800 -24 1852  SA7CTL F4FLF JN18
084000 -24 1850  SA7CTL SM7IUN RR73
084630  -8 2029  SA7CTL SP9CKS JN99 (x4)
090100  -9 1191  SA7CTL SP1ZMO JO73 (x3)
053215 -24 1441  R6DZR SA7CTL JO65
053330  -7  438  SA7CTL IU8RFW JN70 (x3)
053600  -7 1039  SA7CTL EA3EDU JN01

60m

UTC    dB Audio  Message
065330  +0  638  SA7CTL DG6TOM 73
065415 -13  637  CQ SA7CTL JO65                        a1 (x2)
061630  -1 1337  SA7CTL HG8LXL KN06 (x4)
061815 -16 1233  HG8LXL SA7CTL RR73
061830 -17 1036  SA7CTL OE5YCP JN68 (x2)
061915 -17 1560  EA5RR SA7CTL -19
062000  -9 1336  SA7CTL HG8LXL KN06 (x3)
062415 -11  334  PG0DX SA7CTL JO65

10m

UTC    dB Audio  Message
133815 -18 1108  SA7CTL F6ARS JN38 (x2)
082130  +4 2641  SA7CTL F1PBZ -02 (x2)
082800  -9 2444  SA7CTL DN9OPA R-05
083130  +3 2766  SA7CTL HB9DLT -02 (x2)
081815  -3 2522  SA7CTL LZ2VQ R-16 (x2)
092615 -19 1453  SA7CTL F5JUS -09 (x2)

20m

UTC    dB Audio  Message
083415  -3 2715  SA7CTL F4BYA 73
083445  -2 1453  SA7CTL ON1JP -23 (x3)
083615 +17 2625  SA7CTL F1PBZ +03 (x2)
083745  -8 1024  SA7CTL RU3QR -11 (x3)
084115  -1 2717  SA7CTL TA4SSK KM57
084945  -9 1818  SA7CTL F4JZW JN08 (x4)
085745 -18 1747  SA7CTL F4HSB JN37

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

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