IU5TSN — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Italy

Receiver-side FT8 activity involving IU5TSN, decoded by SO8OO in southeastern Poland. 397 related FT8 messages, 13 CQ messages, observed on 80m, 60m, 40m, 20m, 10m, across 40 UTC dates. Heard between 2026-05-24 and 2026-08-22.

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

397
Related messages
13
CQ messages
40
UTC dates heard
-8 dB
Mean decoder S/N

Bands

80m 20m 40m 60m 10m
First seen: 2026-05-24
Last seen: 2026-08-22 23:47 UTC

Frequent QSO partners observed at SO8OO

Stations IU5TSN worked most often, as logged from our receiver:

Activity Heatmap

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 UTCBandIU5TSN S/NCounterpartCounterpart S/NMsgsCapture
08-21 22:18 20m -16 / - AD9GE - / -21 2 ✓ Closing fragment
08-21 21:56 20m -14 / - K0BFG - / -18 2 Partial capture
08-21 19:29 60m - / -10 PC4H -12 / - 3 ✓ Closing fragment
08-21 19:28 60m - / - II3DRC -2 / - 2 ✓ Closing fragment
08-20 22:32 60m - / -14 DG6VC -12 / - 3 ✓ Closing fragment
08-20 22:31 60m - / -8 DL1UDO -2 / - 2 ✓ Closing fragment
08-20 19:58 60m - / -11 ER3ZW -1 / - 3 ✓ Closing fragment
08-19 23:36 20m -12 / - J68TT - / -17 4 Partial capture
08-19 23:31 20m -16 / - YV6BXN - / -17 5 Partial capture
08-16 23:38 80m - / -10 9A4BP/P -4 / - 2 ✓ Closing fragment
08-16 23:33 80m - / -9 9A4BP/P -6 / - 2 ✓ Closing fragment
07-21 22:51 20m - / - M0LEX -16 / - 3 Partial capture
07-21 21:58 20m - / -13 KS4OT -18 / - 2 Partial capture
07-21 21:52 20m -12 / -6 CT1EDA +2 / -18 5 ✓ Full exchange observed
07-21 21:47 20m -5 / - E70SZ - / -22 4 Partial capture
07-21 21:40 20m -6 / - YO6PNM - / -13 2 ✓ Closing fragment
07-21 21:35 20m -8 / - IT9ACJ - / -16 4 Partial capture
07-21 21:24 20m -9 / - SV2TCC - / -12 2 ✓ Closing fragment
07-20 20:59 20m -12 / -15 TN8GD -10 / -22 4 ✓ Full exchange observed
07-20 20:08 20m -2 / - 9K2MP - / -24 2 Partial capture
07-20 12:29 20m - / - F4HSB -21 / - 2 Partial capture
07-20 12:26 20m - / - F4HSB -16 / - 3 Partial capture
07-20 10:41 20m - / -2 4O4DB -21 / - 2 ✓ Closing fragment
07-20 00:33 40m - / +2 IT9GJK/P -19 / - 2 ✓ Closing fragment
07-16 22:35 20m - / -18 LZ3CB +4 / - 2 ✓ Closing fragment
07-16 20:51 20m - / -20 JF4VZT -2 / - 2 Partial capture
07-15 22:22 20m - / 0 5B4AMM -10 / - 2 ✓ Closing fragment
07-12 23:30 40m -18 / - OH0CO - / -17 2 Partial capture
07-10 13:27 20m - / -3 SV7BAY -12 / - 2 ✓ Closing fragment
07-09 11:22 20m -13 / - TM33TDF - / -14 3 Partial capture
07-08 00:41 40m -17 / - LB2YJ -23 / -8 2 Partial capture
07-07 23:48 20m - / -3 LU5HCB -20 / - 2 ✓ Closing fragment
07-07 23:16 20m - / -6 HI3A -19 / - 4 Partial capture
07-07 02:01 80m -21 / - YR50NADIA - / -16 3 Partial capture
07-06 22:11 80m - / -16 YU65AEC +9 / - 2 Partial capture
07-06 22:04 80m - / -21 YU65AEC +12 / - 2 Partial capture
07-06 03:42 80m - / -6 EA3AKY -6 / - 2 ✓ Closing fragment
07-05 23:15 20m - / - EA5XA +3 / - 6 Partial capture
07-05 19:33 20m -16 / -13 MD0CCE +8 / -19 3 ✓ Full exchange observed
07-05 13:01 20m - / -21 DA0WWA -16 / - 2 ✓ Closing fragment
07-04 23:47 20m - / -14 EA9ABC -4 / - 2 ✓ Closing fragment
07-02 23:43 20m - / -6 VE9CF -8 / - 2 ✓ Closing fragment
07-02 18:48 20m -3 / - JY5CG - / -16 3 Partial capture
07-02 18:44 20m -8 / - JY5CG - / -20 4 Partial capture
07-02 18:42 20m -5 / - BG0DLA - / -18 3 Partial capture
06-25 22:51 20m - / -12 C31KC -13 / - 2 ✓ Closing fragment
06-25 20:31 80m -17 / -5 II9RICT +5 / -10 2 Partial capture
06-25 16:41 10m -14 / -9 S51DM -16 / - 3 ✓ Closing observed
06-24 20:34 10m - / -14 CE2SV -2 / - 2 ✓ Closing fragment
06-24 19:46 10m - / -15 PI4DX -6 / - 2 ✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

20m 
UTC    dB Audio  Message
233330 -21 1475  YV6BXN IU5TSN -18 (x3)
233600 -12  827  J68TT IU5TSN -17 (x4)
213530 -19 2180  UN0GY IU5TSN RR73
210230  -9 2421  8Z1IT IU5TSN -13
215630 -14 1442  K0BFG IU5TSN -18 (x2)
221830 -20 1795  AD9GE IU5TSN -21 (x2)
014515 -16 1163  KA0RG IU5TSN -21
014745  -2  832  IU5TSN KS0AA 73
10m 
UTC    dB Audio  Message
191545 -20 1571  IU5TSN IQ9BF 73
211700 -17 1281  Z61DX IU5TSN -14 (x2)
211900 -24 1813  ER5DX IU5TSN RR73
190800 -19 1905  CX6TU IU5TSN -10 (x2)
194645  -9 1027  IU5TSN PI4DX R-15 (x2)
203430  +0 2493  IU5TSN CE2SV R-14 (x2)
164145 -14  699  IU5TSN S51DM R-09
164200 -14  699  S51DM IU5TSN RR73
164215 -17  699  IU5TSN S51DM 73
175615 -13  822  IU5TSN M0BEW 73
072900 -22 1340  IU5TSN LB2WD R-13
60m 
UTC    dB Audio  Message
230600 -19 1587  IU5TSN DG1RMY JO62
195800  -1 2025  IU5TSN ER3ZW R-11 (x3)
223115  -2 1478  IU5TSN DL1UDO R-08 (x2)
223215  -9 1366  IU5TSN DG6VC JN39 (x3)
192830  -2  834  IU5TSN II3DRC R+17
192900 -11  600  IU5TSN G3UHU IO80
192900 -11 1920  IU5TSN PC4H JO22
192900  -3  834  IU5TSN II3DRC 73
192930 -13 1920  IU5TSN PC4H R-10 (x2)
40m 
UTC    dB Audio  Message
203430  -2  518  IU5TSN OK1DLA JN79 (x6)
003815 -23 1525  K2H IU5TSN -21 (x2)
004100 -23 1735  IU5TSN LB2YJ JP32
004215 -17 1735  LB2YJ IU5TSN -08
233045 -19 1209  OH0CO IU5TSN -17 (x2)
003300 -20 1634  IU5TSN IT9GJK/P R+02 (x2)
224100  -5 1077  IU5TSN II7MGXX R-09
80m 
UTC    dB Audio  Message
034245  -5 2358  IU5TSN EA3AKY 73
220415 +13 2347  IU5TSN YU65AEC R-21 (x2)
220745  -1 2021  IU5TSN S56KO R-18
221115 +10 2347  IU5TSN YU65AEC R-16 (x2)
020115 -21 2028  <...> IU5TSN -10
020145 -21 1921  YR50NADIA IU5TSN -16 (x3)
220945  -1 1107  IU5TSN GM1TGY R-20
233345  -7 1775  IU5TSN 9A4BP/P R-09 (x4)

Decoder S/N history by band

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