IK4RSR — 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: JN54

Receiver-side FT8 activity involving IK4RSR, decoded by SO8OO in southeastern Poland. 101 FT8 messages attributed to this token as transmitter, on 160m, 80m, 60m, 40m, 20m, 10m, across 9 UTC dates in the available aggregate history. Observed between 2026-06-27 and 2026-11-04.

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 101 FT8 messages attributed to IK4RSR as the transmitting token by decoded message structure across 9 UTC dates in the available aggregate history. The largest monitored-band total was 20 m (39%), followed by 40 m (30%) and 160 m (11%). Most decodes (61%) 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 (66%); the estimated median was -5 dB.

Overview

101

Messages attributed

UTC dates decoded

Active 15-min windows

-5 dB

Estimated median S/N

Bands

160m · 11 80m · 10 60m · 8 40m · 30 20m · 39 10m · 3

First attributed message: 2026-06-27
Last attributed message: 2026-11-04 22:25 UTC

Observed FT8 message patterns

Attributed sample: 101 messages
Active dates: 9 UTC dates
Estimated median S/N: -5 dB
Estimated 10th-90th percentile: -14 to +3 dB
Recurring-pattern threshold: Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 9, moderate (-15 to -9 dB) 25, strong (≥ -8 dB) 67.

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 IK4RSR in decoded directed-looking exchanges:

HB9EFK · Switzerland IZ8VYU · Italy MD0CCE · Isle of Man IU0DCF · Italy M7KEV · England T77NC · San Marino DD6ZV · Fed. Rep. of Germany DL1MGU · Fed. Rep. of Germany HA5UK · Hungary YL3NE · Latvia UA3QNA · European Russia YO4NT · Romania

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 IK4RSR

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: JN54 · 43 decoded messages
SO8OO receiver locator: KN09VW
Locator-centre separation: 1,013 km (approx.)
Last such locator decoded: 2026-11-04 22:22 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	IK4RSR S/N	Counterpart	Counterpart S/N	Msgs	Capture
11-04 22:24	160m	-8 / +3	IZ8VYU	-6 / -	5	✓ Full exchange observed
11-04 22:22	160m	-2 / -	HB9EFK	+10 / -	4	✓ Closing observed
11-04 22:14	160m	-7 / -	MD0CCE	+5 / +5	5	✓ Closing observed
11-04 17:12	80m	-14 / -5	YO4NT	+8 / +9	5	✓ Full exchange observed
11-04 17:03	80m	+6 / -7	UA3QNA	-14 / -15	9	✓ Full exchange observed
11-02 17:56	160m	-19 / -	UN0GY	- / -	2	Partial capture
11-02 17:45	60m	+2 / -	HA5UK	-16 / +6	4	✓ Full exchange observed
11-02 17:43	60m	+2 / -	DL1MGU	- / +1	2	✓ Closing fragment
11-02 17:41	60m	0 / -2	YL3NE	-12 / -	3	✓ Closing observed
10-09 16:54	40m	+2 / +4	IU0DCF	-6 / +6	6	✓ Full exchange observed
10-09 16:53	40m	0 / -	EY7BM	- / -	4	Partial capture
10-09 16:48	40m	-5 / -	EY7BM	- / -	3	Partial capture
09-17 03:46	40m	- / -21	OA4ENG	-16 / -	2	Partial capture
09-05 07:30	40m	-7 / -	T77NC	- / +6	13	✓ Closing fragment
09-05 07:28	40m	-7 / -	M7KEV	- / -19	3	✓ Closing fragment
09-05 07:27	40m	-6 / -	T77NC	- / -	2	Partial capture
09-02 21:44	60m	- / -16	DD6ZV	+4 / -	3	✓ Closing fragment
09-02 21:37	40m	-8 / -	RI1FJL	- / -17	3	Partial capture

Recent FT8 messages decoded at SO8OO

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

160m

UTC    dB Audio  Message
175645 -14 2529  UN0GY IK4RSR JN54
221430 -13 2307  MD0CCE IK4RSR JN54 (x3)
221715  +5  388  IK4RSR MD0CCE RR73
221730  -5  726  MD0CCE IK4RSR 73
222230  -7 2254  HB9EFK IK4RSR JN54 (x2)
222345 +10 2401  IK4RSR HB9EFK RR73
222400  +2 2401  HB9EFK IK4RSR 73
222415  -6 1982  IK4RSR IZ8VYU JN71
222430 -14 2143  IZ8VYU IK4RSR +12
222445 -10 1982  IK4RSR IZ8VYU R+03
222500  -2 2143  IZ8VYU IK4RSR RR73
222515  -2 1982  IK4RSR IZ8VYU 73

80m

UTC    dB Audio  Message
170345 -15  620  IK4RSR UA3QNA -07
170400  +8  619  UA3QNA IK4RSR JN54
170415 -14  620  IK4RSR UA3QNA -07
170430  +9  619  UA3QNA IK4RSR R-15
170445 -14  620  IK4RSR UA3QNA RR73
170500  +3  619  UA3QNA IK4RSR R-15
170515 -13  620  IK4RSR UA3QNA RR73
170530  +9  619  UA3QNA IK4RSR 73
170830  -1 1409  EM70WWW IK4RSR JN54
170900  +3 1410  RK3AW/P IK4RSR R-13
171245 -12 2138  YO4NT IK4RSR JN54
171300  +9 2139  IK4RSR YO4NT -05
171315 -16 2138  YO4NT IK4RSR R+09
171330  +7 2139  IK4RSR YO4NT RR73
171345 -13 2138  YO4NT IK4RSR 73

60m

UTC    dB Audio  Message
214515  +0 2427  IK4RSR DD6ZV 73
054945  -2 1109  IK4RSR DL6ZAJ JO40
174115  +0 2091  YL3NE IK4RSR JN54
174130 -11 1306  IK4RSR YL3NE -02 (x2)
174245  +5 2091  CQ IK4RSR JN54 (x2)
174345  +2 2092  DL1MGU IK4RSR +01 (x2)
174445  +0 2092  CQ IK4RSR JN54
174500 -19 1377  IK4RSR HA5UK +13
174515  +2 2092  HA5UK IK4RSR R+06
174530 -16 1376  IK4RSR HA5UK +13 (x2)
174645  -3 2390  CQ IK4RSR JN54                        a1

40m

UTC    dB Audio  Message
034730  +8 2403  IK4RSR UA4FKT LO23
164830 -13 1885  EY7BM IK4RSR JN54 (x6)
165415  -3 2621  IK4RSR IU0DCF JN61
165415  -1 1989  IK4RSR DG1ASD -04
165430  +0 2617  EY7BM IK4RSR JN54
165445  -9 2621  IK4RSR IU0DCF JN61
165500  +3 2617  IU0DCF IK4RSR +06
165515  -4 2621  IK4RSR IU0DCF R+04
165530  +1 2617  IU0DCF IK4RSR RR73
165545  -9 2621  IK4RSR IU0DCF 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.

CW

No CW receptions recorded for this callsign in the last 30 days.

Explore CW reception at SO8OO

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