IW1ARB — 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: JN44

Receiver-side FT8 activity involving IW1ARB, decoded by SO8OO in southeastern Poland. 741 FT8 messages attributed to this token as transmitter, on 160m, 80m, 60m, 40m, 20m, 10m, across 19 UTC dates in the available aggregate history. Observed between 2026-08-26 and 2026-11-06.

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 741 FT8 messages attributed to IW1ARB as the transmitting token by decoded message structure across 19 UTC dates in the available aggregate history. The largest monitored-band total was 160 m (42%), followed by 60 m (34%) and 40 m (12%). The busiest six-hour window was 02:00-08:00 UTC, containing 49% of decodes. Most successfully decoded messages attributed to this token fell in SO8OO's strong S/N range (92%); the estimated median was +3 dB.

Overview

741
Messages attributed
19
UTC dates decoded
60
Active 15-min windows
+3 dB
Estimated median S/N

Bands

First attributed message: 2026-08-26
Last attributed message: 2026-11-06 09:39 UTC

Observed FT8 message patterns

Attributed sample
741 messages
Active dates
19 UTC dates
Estimated median S/N
+3 dB
Estimated 10th-90th percentile
-7.5 to +10 dB
Recurring-pattern threshold
Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 16, moderate (-15 to -9 dB) 46, strong (≥ -8 dB) 679.

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.

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 IW1ARB

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
JN44 · 528 decoded messages
SO8OO receiver locator
KN09VW
Locator-centre separation
1,137 km (approx.)
Last such locator decoded
2026-11-06 09:39 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 UTCBandIW1ARB S/NCounterpartCounterpart S/NMsgsCapture
11-06 09:38 10m -10 / - BI1RRE - / - 2 Partial capture
11-06 09:36 10m -8 / - BG3NBD - / -8 2 ✓ Closing fragment
11-06 09:33 10m -5 / - BD8BTP - / - 6 Partial capture
11-06 09:29 10m +4 / - VK8NAH - / - 2 Partial capture
11-06 09:27 10m +1 / - R3HH - / +4 3 ✓ Closing fragment
11-06 09:26 10m +4 / - R6OP - / -8 3 ✓ Closing fragment
11-06 09:24 10m +2 / - R6FFE - / -13 3 ✓ Closing fragment
11-06 09:23 10m +8 / - R9WG - / - 3 Partial capture
11-06 09:20 10m +1 / - BH1OTD - / -2 2 ✓ Closing fragment
11-06 09:18 10m +3 / - UA0SM -10 / -11 3 ✓ Closing observed
11-05 21:14 160m +3 / -13 OE2CAL -1 / 0 4 Partial capture
11-05 21:13 160m +4 / - CT1BWU - / -6 2 ✓ Closing fragment
11-05 21:11 160m 0 / - I1YDT - / -13 5 ✓ Closing fragment
11-05 15:46 40m +8 / - PI40EUDXF - / -11 2 Partial capture
11-05 15:45 40m +8 / - RY7F - / -5 2 Partial capture
11-05 15:44 40m +8 / 0 RT6Z -2 / -1 4 ✓ Full exchange observed
11-05 15:43 40m +10 / - RL2F - / -16 2 Partial capture
11-05 15:42 40m +2 / - UB8CSJ - / -17 2 Partial capture
11-05 15:41 40m +8 / +6 R6OJ -3 / +4 3 ✓ Full exchange observed
11-05 15:34 40m +2 / - R8CKV - / -12 2 ✓ Closing fragment
11-05 15:10 40m +8 / 0 9A4ZM +7 / 0 5 ✓ Full exchange observed
11-05 15:08 40m +8 / - EX8ABR - / -9 3 ✓ Closing fragment
11-05 15:06 40m +6 / - R6OI - / -16 4 ✓ Closing fragment
11-05 15:05 40m - / - 9A4ZM +1 / - 2 Partial capture
11-05 15:04 40m - / -11 LZ80RKVT -6 / - 2 Partial capture
11-05 15:04 40m +4 / - RL1I/P - / -6 2 Partial capture
11-05 15:01 40m +8 / -6 EW8ABG -2 / -10 7 ✓ Full exchange observed
11-05 14:58 40m +10 / - RD9T - / -10 4 ✓ Closing fragment
11-05 14:57 40m +8 / - RL1I/P - / -11 2 Partial capture
11-05 14:56 40m - / - 9A4ZM +2 / - 2 Partial capture
11-05 14:55 40m +10 / - DL7ACA +4 / +3 6 ✓ Full exchange observed
11-05 14:54 40m +8 / - IZ1JIK - / -7 2 Partial capture
11-05 14:52 40m +8 / - RA6FTH - / -11 2 Partial capture
11-05 14:51 40m +8 / - R4ADJ - / -17 2 ✓ Closing fragment
11-05 14:49 40m +8 / - RV9UNK - / -13 4 ✓ Closing fragment
11-05 14:49 40m - / - DL9KM -3 / - 5 Partial capture
11-05 14:47 40m +6 / - JG3LGD - / -15 4 ✓ Closing fragment
11-05 14:43 40m +8 / - EX8ABR - / - 7 Partial capture
11-05 14:41 40m +8 / - UA3IDQ - / -19 3 ✓ Closing fragment
11-05 14:40 40m +6 / - BV2NF - / - 3 Partial capture
11-05 14:36 40m +12 / - R8QA - / - 2 Partial capture
11-05 14:34 40m - / - 9A4ZM +3 / - 2 Partial capture
11-05 14:32 40m +10 / 0 R1NI -10 / -9 7 ✓ Full exchange observed
11-05 14:10 40m +3 / - BV2NF - / - 3 Partial capture
11-05 14:08 40m +6 / - YD3CQR - / - 2 Partial capture
11-04 20:46 160m +4 / - UA0TP - / - 3 Partial capture
11-04 20:40 160m +3 / - JA5CBO - / -15 3 Partial capture
11-04 20:38 160m +8 / - JA6MWW - / -15 2 ✓ Closing fragment
11-04 20:35 160m - / - SQ2BXI -15 / - 2 Partial capture
11-04 20:34 160m +8 / - RV6AVU - / -11 2 ✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

10m
UTC    dB Audio  Message
092915  +1  442  VK8NAH IW1ARB JN44 (x2)
093015  +2  442  CQ DX IW1ARB JN44 (x3)
093300  -2  442  BD8BTP IW1ARB JN44 (x4)
093600  -6 1033  BG3NBD IW1ARB -08 (x2)
093700 -11 1033  BD8BTP IW1ARB JN44 (x2)
093830 -16 1032  BI1RRE IW1ARB JN44 (x2)
160m
UTC    dB Audio  Message
204415  +7 1772  CQ DX IW1ARB JN44
204615  +3 1772  UA0TP IW1ARB JN44 (x3)
211100  -2 1073  I1YDT IW1ARB JN44 (x5)
211330  +2 1073  CT1BWU IW1ARB -06 (x2)
211415  +0 1440  IW1ARB OE2CAL -13
211430  +3 1073  OE2CAL IW1ARB R+00
211445  +0 1440  IW1ARB OE2CAL -13 (x2)
40m
UTC    dB Audio  Message
154245  -1 2643  UB8CSJ IW1ARB -17
154330  +9 2643  RL2F IW1ARB -16 (x2)
154430  +7 2643  RT6Z IW1ARB -01
154445  -3 2949  IW1ARB RT6Z R+00
154500  +9 2643  RT6Z IW1ARB RR73
154515 -13 1029  IW1ARB US3EW KN78
154515  +0 2948  IW1ARB RT6Z 73
154515  -6 2217  IW1ARB HA3HZ JN96
154515  -1 2834  IW1ARB DL1BBO JO43
154530  +7 2643  RY7F IW1ARB -05 (x2)
154630  +8 2643  PI40EUDXF IW1ARB -11 (x2)
154715  -9 1558  IW1ARB UT3UIY/P R-15
80m
UTC    dB Audio  Message
171015  +4 1038  XX9TXN IW1ARB JN44 (x4)
050930  +0  613  IW1ARB 6W/IK2HKT -15
160530 +13 2283  UA9XL/P IW1ARB JN44 (x6)
141700 +10 2606  R0ADK IW1ARB -10 (x3)
141915  -1 2376  RZ0SW IW1ARB -16
60m
UTC    dB Audio  Message
050730 -10  568  IW1ARB G8OO JO02 (x2)
073915  +1 1612  KH8A IW1ARB JN44 (x9)
074415  +7 2292  ZL3GAV IW1ARB JN44 (x4)
20m
UTC    dB Audio  Message
101245 +24 2385  RI1FJL IW1ARB JN44 (x3)
101400  -3 2386  IW1ARB PE1ARS JO32 (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.

CW

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

Explore CW reception at SO8OO

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