RZ9OL — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Asiatic Russia Most frequent locator attributed to this token: NO15

Receiver-side FT8 activity involving RZ9OL, decoded by SO8OO in southeastern Poland. 57 FT8 messages attributed to this token as transmitter, on 80m, 40m, 20m, across 10 UTC dates in the available aggregate history. Observed between 2026-06-27 and 2026-09-11.

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 57 FT8 messages attributed to RZ9OL as the transmitting token by decoded message structure across 10 UTC dates in the available aggregate history. The largest monitored-band total was 40 m (72%), followed by 20 m (25%) and 80 m (4%). Most decodes (58%) fell within the six-hour window 23:00-05:00 UTC. Most successfully decoded messages attributed to this token fell in SO8OO's moderate S/N range (72%); the estimated median was -12 dB.

Overview

Messages attributed

UTC dates decoded

Active 15-min windows

-12 dB

Estimated median S/N

Bands

80m · 2 40m · 41 20m · 14

First attributed message: 2026-06-27
Last attributed message: 2026-09-11 07:51 UTC

Observed FT8 message patterns

Attributed sample: 57 messages
Active dates: 10 UTC dates
Estimated median S/N: -12 dB
Estimated 10th-90th percentile: -18 to -8 dB
Recurring-pattern threshold: Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 8, moderate (-15 to -9 dB) 41, strong (≥ -8 dB) 8.

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 RZ9OL in decoded directed-looking exchanges:

PY2DPM · Brazil ×2 EW4DX · Belarus BA6IM · China K2ZJ · United States LZ2SPD · Bulgaria R5DT · European Russia RD7O · European Russia

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 RZ9OL

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: NO15 · 33 decoded messages
SO8OO receiver locator: KN09VW
Locator-centre separation: 4,032 km (approx.)
Last such locator decoded: 2026-09-08 15:05 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	RZ9OL S/N	Counterpart	Counterpart S/N	Msgs	Capture
09-18 14:01	40m	- / -3	RD7O	0 / -	2	✓ Closing fragment
09-11 07:52	40m	- / -	SP6FME	-1 / -	3	Partial capture
09-10 14:45	40m	-10 / -	BA6IM	- / -	2	✓ Closing fragment
09-08 15:52	40m	- / -	RO7A	-2 / -	2	Partial capture
09-08 15:51	40m	-9 / -	R4CBF/P	- / -15	2	Partial capture
09-08 15:03	40m	-13 / -	VK6KC	- / -19	8	Partial capture
09-08 00:21	40m	-13 / -	W5UQ	- / -15	2	Partial capture
09-08 00:18	40m	-12 / -	PY2DPM	- / -10	4	✓ Closing fragment
09-08 00:17	40m	- / -14	YO9HP	-5 / -	3	Partial capture
09-08 00:15	40m	-15 / -16	K2ZJ	-8 / -10	10	✓ Full exchange observed
09-07 23:47	40m	-13 / -	V51PJ	- / -	3	Partial capture
09-07 23:46	40m	-6 / -	5N0YEN	- / -13	2	Partial capture
09-07 23:41	40m	-11 / -	V51PJ	- / -	6	Partial capture
09-07 23:36	40m	-11 / -	5N0YEN	- / -	4	Partial capture
09-07 23:32	40m	-14 / -	PY1USK	- / -	2	Partial capture
08-26 02:51	20m	-14 / -11	KK4TE	-14 / -	5	Partial capture
08-26 01:40	20m	- / -10	AD8J	-20 / -	4	Partial capture
08-26 01:36	20m	- / -	KM4FZA	-18 / -	3	Partial capture
08-25 12:15	20m	- / -10	OS4K	-22 / -	4	Partial capture
08-22 12:51	20m	-17 / -	R5BM/M	- / -	3	Partial capture
08-22 04:48	20m	-12 / -	<...>	- / -7	2	Partial capture
08-11 16:16	20m	-17 / -	R6ZEJ	- / -5	2	Partial capture
08-11 12:53	20m	- / -	PD1ADA	-19 / -	3	Partial capture
07-16 14:57	20m	- / -	PD1BJO	-18 / -	2	Partial capture
07-15 17:36	80m	-2 / -	<...>	- / -15	2	Partial capture
07-15 06:36	20m	- / -	DL3MIB	-11 / -	4	Partial capture
07-14 15:52	40m	- / +2	RA3TVW	-9 / -	2	Partial capture
07-09 06:16	20m	- / -7	EW4DX	-16 / -	5	✓ Closing fragment
07-08 23:44	40m	- / -5	R5DT	-13 / -	3	✓ Closing fragment
07-08 16:37	40m	- / -	LZ2SPD	-14 / -	5	✓ Closing fragment
07-06 10:22	20m	- / -16	S59A	+1 / -	3	Partial capture
07-06 10:22	20m	- / -	DL1R	-4 / -	8	Partial capture
07-02 23:15	40m	- / -	G1DWG	-5 / -	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
150730 -13 2360  VK6KC RZ9OL R-19 (x3)
155145 -10 2361  R4CBF/P RZ9OL -15 (x2)
155230  -5 1125  RZ9OL RO7A KN95 (x2)
144500 -11  697  BA6IM RZ9OL RR73 (x2)
075145  -8 2537  SQ100PKP RZ9OL -09
075230  +2 2538  RZ9OL SP6FME JO90 (x3)
140115  +0  682  RZ9OL RD7O R-03 (x2)

20m

UTC    dB Audio  Message
121630 -20 1612  RZ9OL OS4K -11 (x2)
122215 -18 2175  LU6YR RZ9OL NO15
013615 -17 1485  RZ9OL KM4FZA EM95 (x3)
014045 -19 1899  RZ9OL AD8J -10 (x4)
025100 -12  983  KK4TE RZ9OL NO15 (x2)
025215 -16  674  RZ9OL KK4TE -11
025230 -15  982  KK4TE RZ9OL NO15
025245 -13  673  RZ9OL KK4TE -11

80m

UTC    dB Audio  Message
173645  -2 1264  <...> RZ9OL NO15 (x2)

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.

FT8DB and SO8OO WebSDR are a hobby project maintained solo. ☕ Buy me a coffee