IZ4FHV/R — FT8 activity observed at SO8OO

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

Receiver-side FT8 activity involving IZ4FHV/R, decoded by SO8OO in southeastern Poland. 171 related FT8 messages, 57 CQ messages, observed on 80m, 40m, 20m, 10m, across 14 UTC dates. Heard between 2026-05-26 and 2026-08-01.

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

171
Related messages
57
CQ messages
14
UTC dates heard
-7 dB
Mean decoder S/N

Bands

80m 20m 40m 10m
First seen: 2026-05-26
Last seen: 2026-08-01 18:21 UTC

Frequent QSO partners observed at SO8OO

Stations IZ4FHV/R worked most often, as logged from our receiver:

Activity Heatmap

Locator transmitted by IZ4FHV/R

Approximate centre of JN54, decoded 2026-08-01 20:10 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 UTCBandIZ4FHV/R S/NCounterpartCounterpart S/NMsgsCapture
08-01 20:10 80m -1 / - SV9MBH -14 / -8 3 Partial capture
08-01 20:08 80m -5 / - ON3REP -13 / -8 2 Partial capture
08-01 19:58 80m -6 / - <...> -12 / - 3 Partial capture
08-01 19:58 40m - / -7 RN3ZBX -8 / - 2 Partial capture
08-01 19:49 40m -13 / - JA6GEN - / - 3 Partial capture
08-01 19:45 40m -20 / - HL2IDT - / -19 5 ✓ Closing fragment
08-01 16:20 20m -17 / - JH5AVM - / -12 4 ✓ Closing fragment
08-01 16:11 20m -18 / - RZ4FWA -11 / -16 5 ✓ Closing observed
07-19 09:41 20m -17 / - R4CAQ - / -10 3 ✓ Closing fragment
07-19 09:37 20m -16 / - PA2AMJ -22 / -24 6 Partial capture
07-19 09:28 20m -17 / -13 HA1ZW -4 / -15 21 ✓ Full exchange observed
07-19 09:26 20m -16 / - UA1AOF - / -17 2 ✓ Closing fragment
07-19 08:04 10m -14 / - G0WZM - / -6 2 Partial capture
07-19 07:59 10m -20 / - UA1CDI - / +1 2 Partial capture
07-19 07:54 10m -14 / +1 F4FSY -4 / -2 4 ✓ Full exchange observed
07-19 07:51 10m -10 / - SO5BCT - / -5 3 ✓ Closing fragment
07-19 07:49 10m -12 / - SP9RA - / +2 2 ✓ Closing fragment
07-19 07:48 10m -8 / - RW9AD - / -6 2 ✓ Closing fragment
07-13 19:43 40m -19 / - VK4DAD - / - 3 Partial capture
07-13 19:42 40m -20 / - LY4AB - / -9 2 Partial capture
07-13 19:39 40m -14 / - VK4DAD - / - 2 Partial capture
07-13 19:34 40m -17 / -10 YO9PH -10 / -8 2 Partial capture
07-11 09:22 20m - / -12 R3KCW -6 / - 2 ✓ Closing fragment
07-11 08:56 20m -23 / - EA8CVR - / - 3 ✓ Closing fragment
07-07 19:53 80m -8 / -13 R1TAX +1 / -10 4 ✓ Full exchange observed
06-22 20:27 80m -8 / - R2FDU - / - 4 Partial capture
06-22 20:22 10m -17 / - 7Q9BK - / -19 3 Partial capture
06-20 20:53 80m -2 / -3 YO2AA +9 / -5 6 ✓ Full exchange observed
06-20 20:52 80m 0 / -16 DL1BBO -8 / - 5 ✓ Closing observed
06-20 20:51 80m -3 / -7 SV3GKU -2 / -6 5 ✓ Full exchange observed
06-16 09:24 40m -20 / - IU4VQZ - / -12 2 Partial capture
06-15 21:29 40m -11 / -13 HA7TM +7 / -4 7 ✓ Full exchange observed
06-15 20:21 40m -9 / - K3YTL - / - 7 Partial capture
06-12 20:17 10m - / - DN9AD -12 / - 3 Partial capture
06-12 20:16 10m - / - R3FE -3 / - 5 Partial capture
06-12 20:13 10m - / - DN9AD -8 / - 4 Partial capture
06-12 20:11 10m - / - R3BCK +6 / - 11 Partial capture
06-12 20:11 10m -8 / - SQ3NTY - / -18 4 Partial capture
06-09 19:53 80m - / -24 Z62NS +8 / - 2 Partial capture
06-09 19:49 80m - / - RL3T -2 / - 2 Partial capture
06-09 19:29 80m -5 / - RM5F - / - 5 Partial capture
06-09 19:26 80m -4 / +9 Z62NS +1 / +2 6 ✓ Full exchange observed
06-09 19:24 80m -2 / -2 9A4AA -8 / +3 5 ✓ Full exchange observed
06-09 19:19 80m -10 / - <...> - / - 7 Partial capture
06-09 19:17 80m -10 / -13 US1VS -10 / -13 5 ✓ Full exchange observed
06-09 19:13 80m -8 / -13 LZ2INP 0 / -4 6 ✓ Full exchange observed
06-09 19:12 80m -9 / +3 IQ4JO +4 / +2 5 ✓ Full exchange observed
06-09 19:02 10m - / -1 G0JEI -8 / - 2 ✓ Closing fragment
06-05 18:27 80m - / -6 DO1MDO -10 / - 2 Partial capture
06-05 18:11 80m -11 / +1 DO1MDO +3 / -6 5 ✓ Full exchange observed

Recent FT8 messages decoded at SO8OO

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

80m 
UTC    dB Audio  Message
200045 -12 1042  DA2SE IZ4FHV/R -14
200200  -7 1441  CQ IZ4FHV/R JN54 (x3)
200415 -15 1488  IZ4FHV/R DA2SE 73
200600  -8 1441  CQ IZ4FHV/R JN54 (x2)
200815 -13 1441  IZ4FHV/R ON3REP JO10
200830  -5 1441  ON3REP IZ4FHV/R -08
201000  -5 1441  CQ IZ4FHV/R JN54
201015 -14 1432  IZ4FHV/R SV9MBH KM25
201130  +0 1441  SV9MBH IZ4FHV/R -08 (x2)
201745 -14 1492  IZ4FHV/R ON3BEN R+01
202100 -15 1433  IZ4FHV/R SV9MBH KM25
40m 
UTC    dB Audio  Message
194415 -19 1476  VK4DAD IZ4FHV/R JN54 (x2)
194845 -19 1476  VK4JBA IZ4FHV/R JN54
161315 -22 1475  CQ IZ4FHV/R JN54 (x2)
194500 -17 1475  HL2IDT IZ4FHV/R JN54 (x5)
194945 -14 1476  JA6GEN IZ4FHV/R JN54 (x3)
195815  -6 1477  IZ4FHV/R RN3ZBX KO90 (x2)
20m 
UTC    dB Audio  Message
093945 -12 1512  CQ IZ4FHV/R JN54                      a1
094115 -17 1512  R4CAQ IZ4FHV/R -10 (x3)
094315 -24 1512  CQ IZ4FHV/R JN54
161115 -21 1513  A41ZZ IZ4FHV/R 73
161145 -18 1513  RZ4FWA IZ4FHV/R -16 (x3)
161300 -11 2023  IZ4FHV/R RZ4FWA 73
161315 -18 1513  RZ4FWA IZ4FHV/R RR73
162030 -23 1512  JH5AVM IZ4FHV/R JN54 (x4)
10m 
UTC    dB Audio  Message
075745 -16 1528  CQ IZ4FHV/R JN54 (x3)
075915 -18 1528  UA1CDI IZ4FHV/R +01 (x2)
080115 -21 1528  CQ IZ4FHV/R JN54                      a1 (x4)
080445 -15 1528  G0WZM IZ4FHV/R -06 (x2)
080645 -10 1528  SP9DPI IZ4FHV/R RR73
080745  -6 1528  CQ IZ4FHV/R JN54 (x3)

Decoder S/N history by band

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