RA4UIV — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: European Russia Locator transmitted in a decoded message: LO24

Receiver-side FT8 activity involving RA4UIV, decoded by SO8OO in southeastern Poland. 223 related FT8 messages, 1 CQ messages, observed on 80m, 40m, 20m, 10m, across 37 UTC dates. Heard between 2026-05-25 and 2026-08-23.

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

223
Related messages
1
CQ messages
37
UTC dates heard
-8 dB
Mean decoder S/N

Bands

80m 40m 20m 10m
First seen: 2026-05-25
Last seen: 2026-08-23 15:25 UTC

Frequent QSO partners observed at SO8OO

Stations RA4UIV worked most often, as logged from our receiver:

Activity Heatmap

Locator transmitted by RA4UIV

Approximate centre of LO24, decoded 2026-08-21 18:21 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 UTCBandRA4UIV S/NCounterpartCounterpart S/NMsgsCapture
08-23 17:24 80m -6 / - R6ZCE -1 / 0 4 ✓ Closing observed
08-23 16:00 40m -19 / - RL1I/P - / -15 2 ✓ Closing fragment
08-23 15:56 40m -19 / -11 RA3SO -6 / +10 3 ✓ Full exchange observed
08-22 16:41 40m -18 / - R3DOE/P - / -2 4 Partial capture
08-21 18:18 80m -15 / - UF4S/P - / - 2 Partial capture
08-21 17:57 80m -11 / - UF4S/P - / +7 6 Partial capture
08-21 17:39 40m -7 / +9 RA4CQW/P -2 / -2 5 ✓ Full exchange observed
08-21 17:31 40m -14 / - RA4CQW/P - / -13 4 Partial capture
08-21 15:41 40m -22 / - RA3SO - / -24 2 Partial capture
08-21 15:39 40m - / -6 UB3LBU -3 / - 2 ✓ Closing fragment
08-20 06:25 20m - / -15 R6DOB/M -3 / - 2 Partial capture
08-20 06:23 20m +5 / - <...> - / +8 5 Partial capture
08-20 06:16 20m -2 / - UI6O - / -11 10 ✓ Closing fragment
08-19 18:14 80m -12 / +3 RV3FF -10 / - 4 ✓ Full exchange observed
08-15 18:04 80m -3 / - RA1AUS/P - / -8 5 Partial capture
08-08 05:58 20m -15 / - R6OP -14 / - 4 ✓ Closing observed
08-08 05:56 20m -6 / -12 GB64MOD -5 / +2 2 Partial capture
08-07 18:25 40m -22 / - F4GBW/P -17 / -16 4 ✓ Closing observed
08-07 17:57 40m - / -2 PA2RO -15 / - 3 ✓ Closing fragment
08-06 18:35 80m -7 / - UB3ADO/P - / - 7 Partial capture
08-01 19:38 80m -6 / - UB0SMX/P - / -14 2 Partial capture
08-01 18:41 80m -7 / -5 <...> -10 / +4 2 Partial capture
08-01 18:32 80m -14 / -1 R4FDD -6 / +9 4 ✓ Full exchange observed
08-01 18:23 80m - / +2 R4FDD -4 / - 2 Partial capture
08-01 18:22 80m -5 / - UB3ADO/P - / -9 3 ✓ Closing fragment
07-31 21:17 80m -11 / -16 UB3ADO/P -20 / - 3 ✓ Closing observed
07-24 18:44 80m - / +8 RA4CQW/P -22 / - 2 ✓ Closing fragment
07-23 06:22 20m - / +9 R4DI -14 / - 2 ✓ Closing fragment
07-20 06:20 20m -14 / - R5AV - / - 2 ✓ Closing fragment
07-19 14:47 20m -17 / - R1QF/P - / +6 4 ✓ Closing fragment
07-15 13:33 20m - / - RL3K -16 / - 5 Partial capture
07-15 13:33 20m - / 0 LZ1ZF -8 / - 2 ✓ Closing fragment
07-12 18:47 80m -23 / - UB0SMX - / -11 2 ✓ Closing fragment
07-12 18:45 80m -20 / -1 UA4QK -8 / +2 6 ✓ Full exchange observed
07-11 19:35 80m -16 / - R2UZ/1 - / +9 6 Partial capture
07-11 19:27 20m -10 / -13 RU6UR -7 / -1 6 ✓ Full exchange observed
07-11 18:35 80m -18 / - RA4CQW/P -24 / +4 4 ✓ Closing observed
07-11 18:11 80m -14 / - RA1TR - / -14 8 Partial capture
07-11 18:09 80m -16 / - RC3C - / +1 2 ✓ Closing fragment
07-11 17:59 80m -16 / -2 R2AKN -10 / +6 3 ✓ Full exchange observed
07-11 17:41 80m -17 / - RL6ZZ - / -8 3 ✓ Closing fragment
07-11 17:39 80m -16 / - RM3ZK -16 / +6 3 ✓ Closing observed
07-11 16:12 40m - / +3 RA6FCU -11 / - 2 ✓ Closing fragment
07-04 18:22 80m -15 / -14 R90PNR -9 / - 2 ✓ Closing observed
07-03 18:36 80m - / -22 YO4LUP 0 / - 3 ✓ Closing fragment
07-03 18:35 80m - / -3 RA3RPW -9 / - 2 ✓ Closing fragment
07-02 12:26 20m -8 / - RV3AUM - / +6 5 Partial capture
07-02 12:22 20m -13 / - UI5A - / -12 3 ✓ Closing fragment
07-02 12:21 20m -10 / - R2DYC - / -7 2 ✓ Closing fragment
07-02 12:17 20m -12 / - R4WAM - / +1 3 Partial capture

Recent FT8 messages decoded at SO8OO

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

80m 
UTC    dB Audio  Message
181530 -14 1904  RA4UIV RV3FF 73
175745 -16 1057  UF4S/P RA4UIV +07 (x10)
172445  -3 1113  R6ZCE RA4UIV +00 (x2)
172530  -1 1151  RA4UIV R6ZCE RR73
172545  -7 1112  R6ZCE RA4UIV RR73
40m 
UTC    dB Audio  Message
173945  -7  463  RA4CQW/P RA4UIV -02
174000  -1  463  RA4UIV RA4CQW/P R+09
174015  -6  463  RA4CQW/P RA4UIV RR73
174030  -3  463  RA4UIV RA4CQW/P RR73
174245  -5  463  R2DRY RA4UIV RR73
164130 -19 1670  R3DOE/P RA4UIV -02 (x4)
155645 -19 1352  RA3SO RA4UIV +10
155800  -6 1542  RA4UIV RA3SO R-11 (x2)
155900 -21 1993  RA4UIV R5GG R-04
160015 -19 1352  RL1I/P RA4UIV -15 (x2)
20m 
UTC    dB Audio  Message
061815  +1  920  UI6O RA4UIV LO24 (x7)
062315  +4 2479  <...> RA4UIV LO24 (x5)
062530  -2 2630  RA4UIV R6DOB/M R-15 (x2)
062630  -2 2630  RA4UIV RR73; RG4D <...> +04
10m 
UTC    dB Audio  Message
074230  +4  426  RA4UIV RZ5D -14
065415 -11  595  C91RU RA4UIV LO24 (x2)
075145  -9 1355  RA4UIV UE6DR R-04 (x2)
080215 -17  855  <...> RA4UIV -11 (x3)
081900  +7 2459  RA4UIV UE6RU -15 (x2)
082730  +9 2458  RA4UIV RR73; IK4LZH <...> -16
152415 -10 1399  RA4UIV RA3AHN KO95 (x2)
152545 -17 2190  RA4UIV RV9CX +02 (x2)

Decoder S/N history by band

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