R4HFK — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: European Russia Locator transmitted in a decoded message: LO52

Receiver-side FT8 activity involving R4HFK, decoded by SO8OO in southeastern Poland. 268 related FT8 messages, 1 CQ messages, observed on 80m, 40m, 20m, 10m, across 12 UTC dates. Heard between 2026-05-02 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

268
Related messages
1
CQ messages
12
UTC dates heard
-4 dB
Mean decoder S/N

Bands

80m 20m 40m 10m
First seen: 2026-05-02
Last seen: 2026-07-31 18:18 UTC

Frequent QSO partners observed at SO8OO

Stations R4HFK worked most often, as logged from our receiver:

Activity Heatmap

Locator transmitted by R4HFK

Approximate centre of LO52, decoded 2026-07-31 20:17 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 UTCBandR4HFK S/NCounterpartCounterpart S/NMsgsCapture
07-31 20:17 80m -15 / +1 R2RAK +4 / +6 5 ✓ Full exchange observed
07-31 20:15 80m -13 / -19 E77EA -2 / -12 8 ✓ Full exchange observed
07-31 20:10 80m -7 / -19 R6OF -6 / -10 8 ✓ Full exchange observed
07-31 20:08 80m -18 / -1 RL3QI +4 / +1 5 ✓ Full exchange observed
07-31 20:06 80m -9 / -10 R3BDQ +5 / -1 5 ✓ Full exchange observed
07-31 20:04 80m -16 / - R2OM - / - 2 Partial capture
07-31 20:00 80m -14 / -3 RN1ON +10 / 0 6 ✓ Full exchange observed
07-31 19:58 80m - / -6 UB3ADO/P -20 / - 2 ✓ Closing fragment
07-31 19:57 80m -12 / - R2DGN - / - 2 Partial capture
07-31 19:52 80m -20 / -5 RA3WY +3 / - 3 ✓ Closing observed
07-31 19:50 80m -14 / -6 R6DOP -3 / - 3 ✓ Closing observed
07-31 19:44 80m - / -10 R9FFJ -11 / - 2 Partial capture
07-31 19:42 80m -11 / -16 RN3DDW/P -16 / -18 8 ✓ Full exchange observed
07-31 19:36 80m -6 / -17 RA2FU +1 / - 5 ✓ Closing observed
07-31 19:30 80m -18 / -3 RJ6ON -22 / - 2 ✓ Closing observed
07-31 19:25 80m -14 / -5 R3EDX +9 / -6 5 ✓ Full exchange observed
07-31 19:23 80m - / -11 S59A +12 / - 3 ✓ Closing fragment
07-31 19:21 80m -4 / -3 RA3TVW 0 / -1 6 ✓ Full exchange observed
07-31 19:18 80m -6 / - RA7Z - / - 2 Partial capture
07-31 19:14 80m -16 / 0 R6OE +4 / -5 4 ✓ Full exchange observed
07-31 19:09 80m -12 / -11 RA3XFR -8 / -6 6 ✓ Full exchange observed
07-31 19:08 80m -10 / -7 UB3ADO/P -14 / - 3 Partial capture
07-31 19:03 80m -7 / -3 UB6OAJ -2 / - 3 ✓ Closing observed
07-31 19:03 80m -14 / -2 RA3MU -8 / - 4 ✓ Closing observed
07-31 18:57 80m -6 / - R6ZEJ - / - 3 Partial capture
07-31 18:52 80m - / -12 R2DP -6 / - 2 ✓ Closing fragment
07-31 18:48 80m -12 / -4 R3LDK +3 / -6 5 ✓ Full exchange observed
07-31 18:43 80m -4 / - UB0SMX/P - / -20 6 ✓ Closing fragment
07-31 18:42 80m -16 / -12 RD5Q -13 / -9 4 ✓ Full exchange observed
07-31 18:40 80m -12 / - R9UBP - / -14 2 Partial capture
07-31 18:37 80m -16 / -2 RN2T -11 / -6 4 ✓ Full exchange observed
07-31 18:35 80m -8 / - R4RN - / - 2 Partial capture
07-31 18:33 80m -13 / -13 RW4HUD -16 / - 4 ✓ Closing observed
07-31 18:32 80m -5 / - UB0SMX/P - / -17 2 Partial capture
07-31 18:28 80m -13 / - R2DP - / - 3 Partial capture
07-31 18:25 80m -20 / -8 EW8CW 0 / -9 5 ✓ Full exchange observed
07-31 18:19 80m -15 / - RN6AK -1 / -11 3 ✓ Closing observed
07-31 18:17 80m -18 / -2 R2SN -4 / -6 4 ✓ Full exchange observed
07-31 18:14 80m -22 / -2 UI6A +2 / -4 5 ✓ Full exchange observed
07-31 18:13 80m -15 / -2 RN3RY -11 / - 3 ✓ Closing observed
07-31 18:12 80m -14 / -5 RV3X +6 / -4 5 ✓ Full exchange observed
07-31 18:09 80m -20 / - R9FGF - / -7 3 ✓ Closing fragment
07-10 19:24 40m - / -11 R6OAA -19 / - 2 ✓ Closing fragment
07-10 18:57 40m - / -3 S59A -3 / - 2 ✓ Closing fragment
07-10 18:49 40m - / -9 E77EA -18 / - 2 Partial capture
07-10 18:43 40m - / -3 R4FV -6 / - 2 ✓ Closing fragment
07-10 18:40 40m - / -8 SP6FME -8 / - 3 ✓ Closing fragment
07-10 18:32 40m - / -4 RM5F -9 / - 5 ✓ Closing fragment
07-10 18:31 40m - / -5 RA3WY -13 / - 3 Partial capture
07-09 20:17 80m -19 / -15 HG8LXL +6 / -12 11 ✓ 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
201300  -4  402  R4HFK R6OF RR73
201315  -3  401  R6OF R4HFK 73
201500  +0 1402  R4HFK E77EA JN84 (x2)
201545 -13 1402  E77EA R4HFK -12
201600  -3 1402  R4HFK E77EA JN84
201615  -9 1401  E77EA R4HFK -15
201630  -1 1402  R4HFK E77EA R-19
201645 -18 1401  E77EA R4HFK RR73
201700  -1 1402  R4HFK E77EA 73
201730 -12 1996  R2RAK R4HFK LO52
201745  +4 1997  R4HFK R2RAK +01
201800 -19 1997  R2RAK R4HFK R+06
201815  +3 1997  R4HFK R2RAK RR73
201830 -15 1997  R2RAK R4HFK 73
40m 
UTC    dB Audio  Message
184115 -14 1464  R4HFK SP6FME R-08 (x2)
184315  -7 1296  R4HFK R4FV -03 (x2)
184600 -22 1334  R4OF R4HFK LO52
184945 -18 1201  R4HFK E77EA JN84 (x2)
185300 -12  597  DK8HC R4HFK -20
185715  -3 2073  R4HFK S59A -03 (x2)
190745  -6 2883  R4HFK RW6AU RR73
192300 -22 2036  R4HFK RX7KIR RR73
192445 -21 1739  R4HFK R6OAA -11 (x2)
193330 -15 1789  R4HFK UA6AAW -14
10m 
UTC    dB Audio  Message
055145  -8 1978  R4HFK HB9ACA -04 (x2)
20m 
UTC    dB Audio  Message
181100 -15 1205  SP6FME R4HFK RR73
181215  -3 2817  A92AE R4HFK LO52 (x2)
181400  -5  516  JG3LGD R4HFK LO52 (x3)
181730  -3 2570  SV9TLU R4HFK LO52 (x2)
182045  -9  669  R4AC R4HFK LO52 (x2)
182215  -9  804  EA8UP R4HFK LO52 (x3)
182430  -2  805  R4HFK EA8UP -09
182445 -12  804  EA8UP R4HFK R-11

Decoder S/N history by band

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