IW3RSW — 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: Italy Most frequent locator attributed to this token: JN66

Receiver-side FT8 activity involving IW3RSW, decoded by SO8OO in southeastern Poland. 299 FT8 messages attributed to this token as transmitter, on 160m, 80m, 20m, across 19 UTC dates in the available aggregate history. Observed between 2026-07-14 and 2026-10-18.

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 299 FT8 messages attributed to IW3RSW as the transmitting token by decoded message structure across 19 UTC dates in the available aggregate history. The largest monitored-band total was 80 m (70%), followed by 20 m (27%) and 160 m (3%). Most decodes (60%) fell within the six-hour window 01:00-07:00 UTC. Most successfully decoded messages attributed to this token fell in SO8OO's strong S/N range (79%); the estimated median was 0 dB.

Overview

299

Messages attributed

UTC dates decoded

Active 15-min windows

0 dB

Estimated median S/N

Bands

160m · 9 80m · 208 20m · 82

First attributed message: 2026-07-14
Last attributed message: 2026-10-18 21:51 UTC

Observed FT8 message patterns

Attributed sample: 299 messages
Active dates: 19 UTC dates
Estimated median S/N: 0 dB
Estimated 10th-90th percentile: -14 to +7 dB
Recurring-pattern threshold: Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 20, moderate (-15 to -9 dB) 44, strong (≥ -8 dB) 235.

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 IW3RSW in decoded directed-looking exchanges:

OK1DXR · Czech Republic OM2WQ · Slovak Republic 9A4ZM · Croatia 9A5E · Croatia DK8HC · Fed. Rep. of Germany DL3BH · Fed. Rep. of Germany DL4DP · Fed. Rep. of Germany DL5DQZ · Fed. Rep. of Germany DO2MOG · Fed. Rep. of Germany F5PBG · France G0OIL · England G3WGC · England

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 IW3RSW

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: JN66 · 196 decoded messages
SO8OO receiver locator: KN09VW
Locator-centre separation: 755 km (approx.)
Last such locator decoded: 2026-10-18 21:50 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	IW3RSW S/N	Counterpart	Counterpart S/N	Msgs	Capture
10-18 21:49	80m	+2 / -	TF4M	-1 / -5	5	✓ Closing observed
10-17 21:04	160m	-8 / -	OM2WW	- / -	4	Partial capture
10-14 21:55	80m	+8 / -	DK8HC	+3 / -6	3	✓ Closing observed
10-14 21:54	80m	+11 / +3	T77RN	-12 / -7	5	✓ Full exchange observed
10-12 21:57	80m	- / 0	YO4NF	+10 / -	2	Partial capture
10-12 21:51	80m	- / -	IU5HIU	-18 / -	2	Partial capture
10-12 21:50	80m	+3 / 0	YT5DL	0 / +2	15	✓ Full exchange observed
10-09 01:54	80m	+7 / -9	GM6URC	-6 / -14	3	✓ Full exchange observed
10-09 01:53	80m	+2 / +2	YO3GNF	-5 / -9	6	✓ Full exchange observed
10-09 01:49	80m	+6 / -	F5PBG	-6 / -10	9	✓ Closing observed
10-09 01:48	80m	+6 / -11	G3WGC	-5 / -8	6	✓ Full exchange observed
10-09 01:46	80m	+4 / 0	DL5DQZ	+6 / -10	6	✓ Full exchange observed
10-09 01:45	80m	+7 / -	YO3GNF	- / -12	5	Partial capture
10-09 01:41	80m	- / -	YO3GNF	-5 / -	2	Partial capture
10-09 01:40	80m	+7 / -1	OH6FSO	-7 / -15	5	✓ Full exchange observed
10-09 01:36	80m	+8 / -	DL4DP	- / -13	3	✓ Closing fragment
10-09 01:33	80m	-2 / -	F5PBG	-4 / -11	5	Partial capture
10-09 01:32	80m	+4 / -16	RN2F	+8 / -5	5	✓ Full exchange observed
10-07 06:50	80m	+1 / -	DL3BH	-23 / -7	3	✓ Closing observed
10-07 06:47	80m	-1 / -12	DO2MOG	-17 / -9	7	✓ Full exchange observed
10-07 06:45	80m	+5 / -17	G0OIL	0 / -7	8	✓ Full exchange observed
09-06 20:48	160m	- / -15	IK0XBX	+2 / -	3	Partial capture
09-06 20:40	160m	-20 / -7	OK1DXR	+3 / -9	11	✓ Full exchange observed
09-06 20:39	160m	-17 / -13	OM2WQ	+4 / -22	6	✓ Full exchange observed
08-31 17:17	80m	-2 / -	UR4LRG	- / -	3	Partial capture
08-31 17:13	80m	-4 / -	OK2BUZ	- / -	3	Partial capture
08-31 03:34	80m	+2 / -2	YO4NF	0 / -4	4	Partial capture
08-31 03:32	80m	+2 / +2	YU7AS	+18 / +1	6	✓ Full exchange observed
08-31 03:27	80m	+8 / -	G8OO	- / -	6	Partial capture
08-18 01:22	80m	+1 / -	PY8JL	- / -	22	Partial capture
08-18 01:14	80m	-6 / -	OH6IH	- / -	2	Partial capture
08-18 01:08	80m	+1 / -	K1HC	- / -9	6	✓ Closing fragment
08-18 01:06	80m	+4 / -	K4AWM	- / -	2	Partial capture
08-18 01:05	80m	+3 / -	W3DIY	- / -	2	Partial capture
08-18 01:00	80m	-2 / -	N7ELL	- / -26	5	Partial capture
08-17 21:45	80m	0 / -13	RT4A/QRP	-13 / -15	3	Partial capture
08-17 21:38	80m	+3 / +3	9A4ZM	+4 / +2	6	✓ Full exchange observed
08-17 21:36	80m	+2 / -4	PG5FRL	-18 / -14	6	✓ Full exchange observed
08-17 21:35	80m	0 / -4	OR7K	+1 / 0	5	✓ Full exchange observed
08-17 21:20	80m	-1 / -10	PA5TON	+4 / -	4	Partial capture
08-16 04:45	80m	-15 / -	F5PBG	- / -9	4	Partial capture
08-16 04:43	80m	-10 / +4	SP2BBQ	-8 / -8	6	✓ Full exchange observed
08-16 04:24	80m	-2 / -	KB1EFS	- / -	23	Partial capture
08-16 04:18	80m	-8 / -7	LY1DY	+1 / -9	7	✓ Full exchange observed
08-16 04:17	80m	-13 / -8	9A5E	+6 / -3	5	✓ Full exchange observed
08-16 04:13	80m	-12 / -	KC8JLW	- / -	2	Partial capture
08-16 04:08	80m	-2 / -	F5PBG	-17 / -7	8	Partial capture
08-16 04:06	80m	-8 / -3	YO6LM	-12 / -1	4	✓ Full exchange observed
08-16 04:05	80m	-6 / -5	HB9EFK	+5 / -4	4	✓ Full exchange observed
08-14 05:21	80m	-10 / -	PC5H	- / -	3	Partial capture

Recent FT8 messages decoded at SO8OO

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

10m

UTC    dB Audio  Message
110030 -23 1907  IW3RSW YI3AA -06

80m

UTC    dB Audio  Message
215700 +12 1191  IW3RSW YO4NF +00 (x2)
215415  +6  316  T77RN IW3RSW JN66
215430 -11 2476  IW3RSW T77RN +03
215445 +14  316  T77RN IW3RSW R-07
215500 -13 2476  IW3RSW T77RN RR73
215515 +13  316  T77RN IW3RSW 73
215530  +3  565  IW3RSW DK8HC JO42
215645 +10  316  DK8HC IW3RSW -06 (x2)
214945  +7 1833  TF4M IW3RSW JN66 (x4)
215130  -1 1709  IW3RSW TF4M RR73

160m

UTC    dB Audio  Message
204215  +1 1295  IW3RSW OK1DXR JO60 (x5)
204430 -20 1604  OK1DXR IW3RSW -09
204445  +7 1295  IW3RSW OK1DXR R-07 (x2)
204845  +2 2366  IW3RSW IK0XBX -15 (x3)
210415  -7  485  OM2WW IW3RSW JN66 (x4)

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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