YO7ZG — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Romania Most frequent locator attributed to this token: KN14

Receiver-side FT8 activity involving YO7ZG, decoded by SO8OO in southeastern Poland. 756 FT8 messages attributed to this token as transmitter, on 160m, 80m, 40m, 20m, 10m, across 67 UTC dates in the available aggregate history. Observed between 2026-06-06 and 2026-10-06.

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 756 FT8 messages attributed to YO7ZG as the transmitting token by decoded message structure across 67 UTC dates in the available aggregate history. The largest monitored-band total was 80 m (48%), followed by 40 m (33%) and 20 m (9%). Most decodes (52%) fell within the six-hour window 23:00-05:00 UTC. Most successfully decoded messages attributed to this token fell in SO8OO's strong S/N range (76%); the estimated median was -2 dB.

Overview

756

Messages attributed

UTC dates decoded

135

Active 15-min windows

-2 dB

Estimated median S/N

Bands

160m · 69 80m · 364 40m · 251 20m · 71 10m · 1

First attributed message: 2026-06-06
Last attributed message: 2026-10-06 04:33 UTC

Observed FT8 message patterns

Attributed sample: 756 messages
Active dates: 67 UTC dates
Estimated median S/N: -2 dB
Estimated 10th-90th percentile: -13 to +10 dB
Recurring-pattern threshold: Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 35, moderate (-15 to -9 dB) 146, strong (≥ -8 dB) 575.

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 YO7ZG in decoded directed-looking exchanges:

TK5K · Corsica ×2 DL9KM · Fed. Rep. of Germany ×2 JI3VUB · Japan ×2 DO5PY · Fed. Rep. of Germany ×2 RA3TK · European Russia ×2 DH1GKS · Fed. Rep. of Germany G0BLB · England IV3VFR · Italy UA6JQ · European Russia BA8BLK · China CE1JRH · Chile DS3BNU · Republic of Korea

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 YO7ZG

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: KN14 · 514 decoded messages
SO8OO receiver locator: KN09VW
Locator-centre separation: 611 km (approx.)
Last such locator decoded: 2026-10-06 04:33 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	YO7ZG S/N	Counterpart	Counterpart S/N	Msgs	Capture
10-06 01:15	80m	-14 / -	Z61DX	- / -	4	Partial capture
10-05 04:17	160m	-8 / -	VP2MAA	- / -	4	Partial capture
10-05 04:16	160m	-16 / -	9H1ES	- / -	2	Partial capture
10-05 04:13	160m	-9 / -24	G0BLB	+4 / -10	5	✓ Full exchange observed
10-05 04:11	160m	-15 / -	GU4WRP	- / -	2	Partial capture
10-05 04:07	160m	-10 / -	VP2MAA	- / -	4	Partial capture
10-05 04:06	160m	-10 / -	9H1ES	- / -	3	Partial capture
10-05 00:12	80m	+2 / -	AP2HA	- / -23	4	Partial capture
10-05 00:07	160m	+2 / -16	UA6JQ	-19 / -3	4	✓ Full exchange observed
10-04 04:18	80m	+2 / -	R1TAX	- / -19	2	✓ Closing fragment
10-03 17:14	80m	-11 / -	RD7LC	-7 / -	2	✓ Closing observed
10-03 17:10	80m	-6 / -	OH0TS	- / -	3	Partial capture
10-02 04:45	80m	+11 / -	NE5TX	- / -	3	Partial capture
10-02 04:41	40m	- / +6	GU4WRP	-4 / -	2	✓ Closing fragment
10-01 18:01	80m	+11 / -	TF4M	- / -	4	Partial capture
09-25 04:23	40m	-7 / -	WD4OBP	- / -	2	Partial capture
09-25 04:13	80m	0 / -5	DO5PY	-1 / -6	7	✓ Full exchange observed
09-25 04:12	80m	-7 / -	YO3SL	- / -15	2	✓ Closing fragment
09-25 04:09	80m	+3 / -12	OZ3AEV	-6 / -16	4	✓ Full exchange observed
09-25 04:09	80m	+6 / -	DO5PY	+2 / -12	3	Partial capture
09-25 04:07	80m	+4 / -8	HF5A	-1 / -4	5	✓ Full exchange observed
09-25 04:05	80m	+3 / -11	DL5CK	-6 / -12	4	✓ Full exchange observed
09-25 04:03	80m	0 / -9	F1PBZ	+3 / -5	8	✓ Full exchange observed
09-25 04:03	80m	0 / -20	R5AV	-5 / -12	5	✓ Full exchange observed
09-24 04:41	80m	-4 / -5	SQ100PKP	-4 / -12	2	Partial capture
09-24 04:37	80m	-6 / -	VE9RCI	- / -17	7	✓ Closing fragment
09-23 02:01	80m	+2 / -	G6PWS	-4 / -9	11	Partial capture
09-23 01:59	80m	+4 / -4	F6BTP	-18 / -14	4	✓ Full exchange observed
09-23 01:56	80m	-3 / -9	ON4MAP	-22 / -11	7	✓ Full exchange observed
09-23 01:56	80m	+1 / -1	S52D	+4 / 0	5	✓ Full exchange observed
09-23 01:48	160m	- / -	DO5PY	-16 / -	4	Partial capture
09-23 01:45	160m	-9 / -	EA8BS	- / -	2	Partial capture
09-22 16:41	160m	-5 / -12	IV3VFR	0 / -3	5	✓ Full exchange observed
09-22 16:40	160m	-7 / -	OH3SR	- / -	2	Partial capture
09-20 04:50	80m	+10 / -	KE4EB	- / -	2	Partial capture
09-20 04:46	80m	+3 / -19	RA6OY	-11 / -7	11	✓ Full exchange observed
09-20 04:24	80m	+2 / -	HI8JCD	- / -	4	Partial capture
09-19 18:53	80m	+8 / -	V51WH	- / -	4	Partial capture
09-19 16:36	80m	+4 / +3	YO8CRU	+7 / +3	5	✓ Full exchange observed
09-19 16:34	80m	+3 / -	R3RRC/P	- / -11	2	Partial capture
09-19 04:23	40m	- / 0	RA6ZD	-6 / -	2	✓ Closing fragment
09-19 04:17	80m	+7 / -	SO100PKP	- / -	2	Partial capture
09-19 04:15	80m	+5 / -	HF100PKP	- / -2	3	Partial capture
09-19 04:14	80m	+6 / -6	SV1DKR	-21 / -	4	✓ Closing observed
09-19 04:12	80m	+6 / -	SQ100PKP	- / +2	2	Partial capture
09-18 04:05	80m	+5 / -	SN40KZE	- / -	2	Partial capture
09-18 04:01	80m	+12 / -	SN40KZE	- / -	2	Partial capture
09-18 04:00	80m	+7 / -	9H4JX	- / -9	3	✓ Closing fragment
09-15 18:38	80m	+12 / -	3Z100PKP	- / -8	6	Partial capture
09-15 18:36	80m	+10 / -	SP100PKP	- / -1	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
041830  +3 2766  R1TAX YO7ZG -19 (x2)
001245  -2 2001  AP2HA YO7ZG KN14 (x4)
011500 -11 1893  Z61DX YO7ZG KN14 (x3)
011630 -18 1782  CQ YO7ZG KN14
011800 -17 1781  Z61DX YO7ZG KN14
011830 -14 1780  CQ YO7ZG KN14 (x3)
043300 -13 2482  KP2B YO7ZG KN14

160m

UTC    dB Audio  Message
041145 -14 2052  GU4WRP YO7ZG KN14
041215 -11 2051  CQ YO7ZG KN14
041330  +7  684  YO7ZG G0BLB IO81
041345  -9 2050  G0BLB YO7ZG -10
041400  +3  684  YO7ZG G0BLB R-24
041415  -9 2050  G0BLB YO7ZG RR73
041430  +3  684  YO7ZG G0BLB 73
041445  -5 2050  CQ YO7ZG KN14 (x2)
041630 -18 2039  9H1ES YO7ZG KN14 (x2)
041730 -11 2038  VP2MAA YO7ZG KN14 (x4)

40m

UTC    dB Audio  Message
044015  -6 1991  YO7ZG YO4SX -08 (x2)
042330  -6 1000  YO7ZG RA6ZD R+00 (x2)
041915 -11 2658  CQ NA YO7ZG KN14 (x2)
042045  -9 2657  K3RH YO7ZG RR73
042115 -10 2657  SV9MBH YO7ZG -07
042215  -8 2658  ON8WR YO7ZG -06
042315  -9 2658  WD4OBP YO7ZG KN14 (x2)
042515  +9 2689  KB3DQI YO7ZG KN14
044100  -3 2137  YO7ZG GU4WRP +06 (x2)
044215  +2 2372  CQ NA YO7ZG KN14

20m

UTC    dB Audio  Message
162700  -6 2916  DS3BNU YO7ZG 73
090615 -10 2292  OJ0YL YO7ZG KN14 (x9)
045515 -17 1825  YO7ZG VK2SOL QF56
045545  -9 1823  YO7ZG RW0SR OO22 (x3)
051500  +7  358  FK4AP YO7ZG KN14

10m

UTC    dB Audio  Message
153330 +10 2802  YO7ZG 9A4ZM JN86 (x3)
161800 -10 2251  YO7ZG DH1GKS JN38 (x3)
152100 -12  424  YO7ZG TK5K RR73
152200 -14  851  YO7ZG UA4FKT LO23

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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