RA4ADF — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: European Russia Locator transmitted in a decoded message: LN28

Receiver-side FT8 activity involving RA4ADF, decoded by SO8OO in southeastern Poland. 4,361 related FT8 messages, 2,533 CQ messages, observed on 80m, 60m, 40m, 20m, 10m, across 60 UTC dates. Heard between 2026-05-25 and 2026-08-17.

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

4,361
Related messages
2,533
CQ messages
60
UTC dates heard
-12 dB
Mean decoder S/N

Bands

80m 20m 40m 60m 10m
First seen: 2026-05-25
Last seen: 2026-08-17 17:19 UTC

Frequent QSO partners observed at SO8OO

Stations RA4ADF worked most often, as logged from our receiver:

Activity Heatmap

Locator transmitted by RA4ADF

Approximate centre of LN28, decoded 2026-08-17 19:07 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 UTCBandRA4ADF S/NCounterpartCounterpart S/NMsgsCapture
08-17 17:05 40m - / -18 ON4ASV +1 / - 3 ✓ Closing fragment
08-10 18:59 80m - / -3 UB6OAK -15 / - 2 ✓ Closing fragment
08-10 18:57 80m - / -10 R50RKZ +2 / - 2 ✓ Closing fragment
08-10 18:53 80m - / -9 R4DD -7 / - 2 ✓ Closing fragment
08-10 18:51 80m - / -2 RD6OX +6 / - 2 ✓ Closing fragment
08-10 18:50 80m - / -6 UA3RMB +2 / - 2 ✓ Closing fragment
08-10 18:47 40m - / -3 R6LQU -16 / - 2 ✓ Closing fragment
08-10 18:23 40m - / - SV6JHA -14 / - 2 ✓ Closing fragment
08-10 18:16 40m - / -6 RK2Z -12 / - 2 ✓ Closing fragment
08-10 18:15 40m - / -8 R3UCQ -14 / - 2 ✓ Closing fragment
08-04 19:01 80m -13 / - <...> - / - 2 Partial capture
08-04 18:58 80m -20 / -14 SQ2BXI +24 / -7 5 ✓ Full exchange observed
08-04 18:51 80m -19 / - RT25KS - / -13 2 Partial capture
08-04 18:48 80m -19 / -18 UB4CIA +1 / -2 7 ✓ Full exchange observed
08-04 18:47 80m -18 / - R2EC - / - 3 Partial capture
08-04 18:41 80m -16 / -3 UA4HBJ -9 / -10 5 ✓ Full exchange observed
08-04 18:30 80m -19 / - RK4FD - / - 4 Partial capture
08-04 18:24 80m -14 / -12 RU3DBT -19 / -18 6 ✓ Full exchange observed
08-04 18:22 80m -12 / -11 RU3GF -5 / -9 5 ✓ Full exchange observed
08-04 18:15 80m -10 / -15 UN8DSW -20 / -19 6 ✓ Full exchange observed
08-04 18:15 80m -13 / -11 R2HB -10 / -8 4 ✓ Full exchange observed
08-04 18:14 80m -13 / -11 UG4L -8 / -8 3 Partial capture
08-04 18:07 80m -13 / -12 R2EN -4 / -13 6 ✓ Full exchange observed
08-04 18:01 80m -12 / 0 R3QX -8 / -11 7 ✓ Full exchange observed
08-04 18:01 80m -15 / -7 RU6FS 0 / -3 4 ✓ Full exchange observed
08-04 17:59 80m -16 / -22 RA9YTI -21 / - 4 ✓ Closing observed
08-04 17:31 80m -17 / - R8CGO -20 / - 2 ✓ Closing observed
08-04 17:26 80m -22 / -12 EU6KA -11 / -17 6 ✓ Full exchange observed
08-04 17:22 80m - / - EU6KA -11 / - 2 Partial capture
08-04 17:20 80m - / -3 RM3ZR -8 / - 2 ✓ Closing fragment
08-04 03:20 40m -12 / - OA4ENG - / -15 6 Partial capture
08-03 18:58 80m -17 / - R4SCB - / -18 2 ✓ Closing fragment
08-03 18:55 80m -17 / +10 RA3QM -9 / - 4 ✓ Closing observed
08-03 18:46 80m -19 / -11 RQ2Q -13 / -11 4 ✓ Full exchange observed
08-03 18:44 80m -16 / - R6NA +8 / - 3 ✓ Closing observed
08-03 18:41 80m - / -15 OM7FS +6 / - 4 Partial capture
08-03 18:36 80m -19 / - R7OQ - / -7 2 Partial capture
08-03 18:33 80m -21 / -19 A71XX -20 / - 5 ✓ Closing observed
08-03 18:28 80m -19 / 0 R6ZAJ -20 / -11 3 ✓ Full exchange observed
08-03 18:26 80m - / -13 R6OIZ 0 / - 2 ✓ Closing fragment
08-03 18:24 80m -18 / -16 R3GF -5 / - 3 ✓ Closing observed
08-03 18:17 80m - / 0 RW3QW +2 / - 2 ✓ Closing fragment
08-03 17:59 40m - / - DL2ZJA -16 / - 2 ✓ Closing fragment
08-03 17:49 40m - / -4 R6OIZ -10 / - 2 ✓ Closing fragment
08-03 17:43 40m - / -3 R4FFQ -14 / - 2 ✓ Closing fragment
08-03 17:21 40m - / -11 RW3QW -12 / - 3 ✓ Closing fragment
08-03 16:39 40m - / -6 R3DHP -16 / - 2 ✓ Closing fragment
08-02 19:18 80m -12 / - RU6FK - / - 2 Partial capture
08-02 19:16 80m -14 / -13 UA9LT -16 / -13 4 ✓ Full exchange observed
08-02 19:14 80m - / +4 SP5MIG/6 -12 / - 2 Partial capture

Recent FT8 messages decoded at SO8OO

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

40m 
UTC    dB Audio  Message
183300 -13 2383  CQ RA4ADF LN28                        a1 (x12)
185930 -18 2383  DK1FF RA4ADF RR73
190730 -16 2382  CQ RA4ADF LN28                        a1
191915 -15 2383  RA4ADF DL7ET JO31
80m 
UTC    dB Audio  Message
190215 -12 2075  <...> RA4ADF LN28
190400 -12 1952  RA4ADF OH/SP5TEN R-16
185015  +1  341  RA4ADF UA3RMB -06 (x2)
185145  +4  946  RA4ADF RD6OX -02 (x2)
185315  -1 2240  RA4ADF R4DD -09 (x2)
185545 -24 2153  CQ RA4ADF LN28
185700  +4 1834  RA4ADF R50RKZ -10 (x2)
185900 -17 2199  RA4ADF UB6OAK -03 (x2)
190145 -15 2200  R2UC RA4ADF LN28
190330 -24 1503  RA4ADF UB8FDN -17
20m 
UTC    dB Audio  Message
035915 -24 2161  RA3LBW RA4ADF -14 (x2)
034845  -9  376  RA4ADF HC2GRC RR73
110415  -6 2723  RA4ADF F1PBZ -15 (x2)
110715  -7 2500  RA4ADF RA6OD R-15 (x2)
111115 -20 1849  RA4ADF UA7T LN05 (x6)
132415 -18 2228  UA9XL RA4ADF LN28
104130 -21 2239  UC6D RA4ADF RR73
10m 
UTC    dB Audio  Message
093045  +2 2793  RA4ADF RT6Z RR73
102830 -21 2304  R3BDO RA4ADF RR73
103915 -21 1600  RA4ADF RW6HP R-19 (x2)
111245 -24 1601  RA4ADF UA6HI RR73
103900  +2 2592  RA4ADF F1PBZ -15 (x2)
122715 -14 2240  RA4ADF F6IQA JN13 (x7)
131945 -14  990  RA4ADF OD5JL +10
60m 
UTC    dB Audio  Message
194145 -13 1144  RA4ADF IU6STP JN63 (x7)

Decoder S/N history by band

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