IU4UWH — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Italy Locator transmitted in a decoded message: JN54

Receiver-side FT8 activity involving IU4UWH, decoded by SO8OO in southeastern Poland. 752 related FT8 messages, 272 CQ messages, observed on 160m, 80m, 60m, 40m, 20m, 10m, across 42 UTC dates. Heard between 2026-05-03 and 2026-07-31.

These are automated observations at the SO8OO receiver, not the station's official logbook. Times are UTC. Decoder S/N describes messages received at SO8OO; inferred entity and location data may be inaccurate for portable, remote or special-event operation.

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Overview

752
Related messages
272
CQ messages
42
UTC dates heard
-10 dB
Mean decoder S/N

Bands

80m 20m 40m 60m 10m 160m
First seen: 2026-05-03
Last seen: 2026-07-31 22:14 UTC

Frequent QSO partners observed at SO8OO

Stations IU4UWH worked most often, as logged from our receiver:

Activity Heatmap

Locator transmitted by IU4UWH

Approximate centre of JN54, decoded 2026-08-01 00:05 UTC. A transmitted locator is not proof of the operator's permanent location.

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 UTCBandIU4UWH S/NCounterpartCounterpart S/NMsgsCapture
08-01 00:14 40m - / -2 DG5PW -18 / - 2 Partial capture
07-24 12:21 10m - / -16 PA3AGN -8 / - 3 ✓ Closing fragment
07-23 20:46 80m -17 / -1 DO1DMR -3 / -13 4 ✓ Full exchange observed
07-23 20:42 80m - / -6 DF3IS +5 / - 3 ✓ Closing fragment
07-23 20:38 80m -20 / -18 HB3YOY -6 / -13 6 ✓ Full exchange observed
07-22 22:18 60m - / - OE5WRO -13 / - 4 ✓ Closing fragment
07-22 00:42 80m -18 / - W1MK - / - 6 Partial capture
07-22 00:31 80m -8 / -16 EA5JLB -21 / -22 5 ✓ Full exchange observed
07-22 00:26 80m -13 / -15 RC6OD +10 / -8 8 ✓ Full exchange observed
07-22 00:24 80m -9 / - DL9ATW -6 / -14 4 ✓ Closing observed
07-22 00:23 80m -11 / -23 UX7QV +3 / - 4 ✓ Closing observed
07-22 00:16 80m -18 / -21 RK4CH +3 / -10 5 ✓ Full exchange observed
07-22 00:12 80m -12 / - R6ZEJ +7 / -12 3 ✓ Closing observed
07-22 00:09 80m -14 / - G6BCC +3 / -2 2 Partial capture
07-22 00:04 80m -11 / -15 DL1UDO +10 / -5 6 ✓ Full exchange observed
07-22 00:01 80m -14 / -15 OH5KNL +10 / -3 5 ✓ Full exchange observed
07-22 00:00 80m -10 / - RC6OD - / - 2 Partial capture
07-21 23:58 80m -14 / - SP9MOA - / - 3 Partial capture
07-20 22:16 20m - / -8 EA8AT -12 / - 3 ✓ Closing fragment
07-20 22:13 20m -10 / - KJ4HI - / -22 2 Partial capture
07-20 21:07 20m - / -9 BI4XDT -13 / - 3 ✓ Closing fragment
07-18 14:48 10m - / - LZ3CB +1 / - 3 ✓ Closing fragment
07-18 13:58 10m - / -3 IK7YZB -18 / - 3 ✓ Closing fragment
07-18 13:46 10m - / -13 F4LNM -6 / - 2 ✓ Closing fragment
07-18 13:22 10m - / +5 SV2CLJ -7 / - 3 ✓ Closing fragment
07-18 12:43 10m - / - LX1NO 0 / - 6 Partial capture
07-18 12:31 10m - / -6 M0BEW -14 / - 2 ✓ Closing fragment
07-18 09:47 10m - / -9 LZ4VR -17 / - 3 ✓ Closing fragment
07-16 22:04 80m -20 / -14 PI4APD +3 / -7 9 ✓ Full exchange observed
07-16 22:01 80m -21 / -20 EA8UP -3 / -9 10 ✓ Full exchange observed
07-16 21:58 80m -23 / -6 IN3IZQ -6 / -3 5 ✓ Full exchange observed
07-16 21:54 80m - / - DG5PW -2 / - 2 ✓ Closing fragment
07-16 21:35 20m - / -17 <...> 0 / - 3 ✓ Closing fragment
07-16 21:10 20m - / -15 IS0AEL -4 / - 2 ✓ Closing fragment
07-15 22:56 40m - / -18 RN6HK -16 / - 3 ✓ Closing fragment
07-15 22:53 40m - / -5 DK7UY -10 / - 3 ✓ Closing fragment
07-15 22:36 40m - / -11 PA7D -4 / - 3 ✓ Closing fragment
07-15 22:04 80m - / -6 HB9EFK +12 / - 2 Partial capture
07-15 21:59 80m -23 / -14 DL1UDO 0 / - 5 Partial capture
07-15 21:49 80m - / -12 F1PBZ +8 / - 2 ✓ Closing fragment
07-15 21:36 160m - / -17 F5RRS -12 / - 3 ✓ Closing fragment
07-15 21:29 160m - / -14 OE3OOG +2 / - 6 ✓ Closing fragment
07-15 21:27 160m - / -15 OM1AN -13 / - 3 ✓ Closing fragment
07-15 21:01 10m - / -19 UR9QQ -9 / - 3 ✓ Closing fragment
07-14 23:13 40m - / -2 DK5UR -3 / - 3 ✓ Closing fragment
07-14 23:04 40m - / -16 EA2DYB -4 / - 2 Partial capture
07-09 23:10 80m -14 / -10 M0MLS -14 / -12 5 ✓ Full exchange observed
07-09 23:06 80m - / -12 F5MYK -7 / - 4 ✓ Closing fragment
07-09 23:00 80m -12 / -5 DL6CGU -4 / -17 5 ✓ Full exchange observed
07-09 12:41 20m - / +4 G0LUH -20 / - 3 ✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

40m 
UTC    dB Audio  Message
232115 -20 1518  IU4UWH IU8TIT 73
232645  -6 2368  IU4UWH DL2LN R-12
223345 -23 1642  SP9MOA IU4UWH -14
223630  -8  691  IU4UWH PA7D JO23 (x3)
224100 -21 1643  IU4UWH G0ANS RR73
225300  -7 1642  IU4UWH DK7UY JO44 (x3)
225600 -16 1644  IU4UWH RN6HK LN14 (x3)
001400 -19 1268  IU4UWH DG5PW JO30 (x2)
80m 
UTC    dB Audio  Message
205130 -20 2143  CQ IU4UWH JN54 (x15)
10m 
UTC    dB Audio  Message
132330  -6  617  IU4UWH SV2CLJ 73
132400  -8  898  IU4UWH F4LNM JN09 (x3)
135800 -17 1902  IU4UWH IK7YZB JN80 (x3)
144800  +1 2143  IU4UWH LZ3CB KN32 (x3)
122130 -11 2421  IU4UWH PA3BMB 73
122130  -5 1191  IU4UWH PA3AGN JO22 (x3)
122830 -20 2113  IU4UWH 2E0OEW RR73
60m 
UTC    dB Audio  Message
225330 -23 1373  CQ IU4UWH JN54 (x3)
230330 -17 1288  IU4UWH EB1LA IN73 (x3)
221830  -8 1057  IU4UWH OE5WRO JN78 (x4)
222215 -18 1056  CQ IU4UWH JN54                        a1
20m 
UTC    dB Audio  Message
213600  +0 2910  IU4UWH <...> RR73 (x2)
210715 -12  877  IU4UWH BI4XDT PM01 (x3)
213100 -17 2451  CQ IU4UWH JN54 (x3)
220800  -9 2779  KA1MXL IU4UWH JN54
221330 -11 2779  KJ4HI IU4UWH -22 (x2)
221645 -13 1404  IU4UWH EA8AT IL17 (x3)
222430 -18 2194  VE2OPC IU4UWH R-12
160m 
UTC    dB Audio  Message
212800 -11 1853  IU4UWH OM1AN RR73
212930  +4  796  IU4UWH OE3OOG JN87 (x6)
213600 -12 1922  IU4UWH F5RRS JN36 (x3)
213930 -23 1496  CQ IU4UWH JN54 (x5)

Decoder S/N history by band

Daily averages across messages associated with this profile as decoded at SO8OO.