R4HMI — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: European Russia Locator transmitted in a decoded message: KO85

Receiver-side FT8 activity involving R4HMI, decoded by SO8OO in southeastern Poland. 255 related FT8 messages, 10 CQ messages, observed on 80m, 40m, 20m, 10m, across 25 UTC dates. Heard between 2026-05-22 and 2026-08-18.

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

255
Related messages
10
CQ messages
25
UTC dates heard
-7 dB
Mean decoder S/N

Bands

80m 20m 40m 10m
First seen: 2026-05-22
Last seen: 2026-08-18 16:48 UTC

Frequent QSO partners observed at SO8OO

Stations R4HMI worked most often, as logged from our receiver:

Activity Heatmap

Locator transmitted by R4HMI

Approximate centre of KO85, decoded 2026-08-15 16:50 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 UTCBandR4HMI S/NCounterpartCounterpart S/NMsgsCapture
08-18 18:46 80m -12 / -14 RA3BY -1 / 0 6 ✓ Full exchange observed
08-18 18:45 80m -9 / - R4HHN - / -8 3 ✓ Closing fragment
08-18 18:43 80m -6 / - RK6MC -9 / -13 3 ✓ Closing observed
08-18 18:42 80m -10 / - UA4CKN -19 / -8 3 ✓ Closing observed
08-18 18:40 80m -14 / +3 R2HB -4 / -2 4 ✓ Full exchange observed
08-18 18:40 80m -10 / -6 RU4B -10 / -4 6 ✓ Full exchange observed
08-18 18:39 80m -3 / -8 HA7TM +18 / - 4 ✓ Closing observed
08-18 14:28 20m - / -20 R2AL 0 / - 2 Partial capture
08-16 17:54 80m -8 / -6 UA3RMB -12 / - 4 ✓ Closing observed
08-16 17:50 80m -16 / -15 R6ML -8 / - 5 ✓ Closing observed
08-16 17:50 80m -18 / -24 SP7SZJ +2 / -21 5 ✓ Full exchange observed
08-16 17:49 80m -13 / +4 R4FDD -20 / +1 4 ✓ Full exchange observed
08-16 17:47 80m -17 / - RA3SO - / - 3 Partial capture
08-16 17:45 80m -17 / +1 R9CS/P -12 / -1 5 ✓ Full exchange observed
08-16 14:33 40m - / +3 UA3ZUX -3 / - 2 ✓ Closing fragment
08-15 20:57 80m - / -10 DM2HR -4 / - 2 ✓ Closing fragment
08-14 18:10 80m -7 / +1 RM3TO +2 / -1 7 ✓ Full exchange observed
08-14 18:08 80m -5 / -8 OK1FRG +11 / -12 5 ✓ Full exchange observed
08-14 18:07 80m -2 / -16 R6ZQ +10 / - 3 ✓ Closing observed
08-14 18:04 80m - / -12 UA3PQN +2 / - 3 ✓ Closing fragment
08-14 18:03 80m -4 / +2 R3UG +2 / -1 5 ✓ Full exchange observed
08-14 17:59 80m -13 / -4 RU5X -2 / +2 5 ✓ Full exchange observed
08-14 17:57 80m -3 / - RN6AK +8 / -6 4 ✓ Full exchange observed
08-14 17:55 80m - / - DO9BAU +6 / - 2 ✓ Closing fragment
08-14 17:55 80m -6 / - RN3RFZ -5 / +1 5 ✓ Full exchange observed
08-14 17:54 80m -6 / -4 RA4FHO +2 / -1 6 ✓ Full exchange observed
08-14 17:51 80m -12 / -10 R6ZEJ -5 / - 4 ✓ Closing observed
08-14 17:50 80m - / -9 R3PJ -7 / - 3 ✓ Closing fragment
08-14 17:49 80m -10 / -1 RA3QTT +10 / 0 4 ✓ Full exchange observed
08-14 17:46 80m - / - EW8CW +3 / - 2 Partial capture
08-14 17:45 80m -3 / -7 R9FDM -20 / -11 5 ✓ Full exchange observed
08-14 17:42 80m -8 / - RQ3D -22 / -10 3 ✓ Closing observed
08-14 17:41 80m -4 / +1 R2SN 0 / +5 6 ✓ Full exchange observed
08-14 17:40 80m - / -6 RA3ZGT -8 / - 3 ✓ Closing fragment
08-14 17:39 80m -6 / -8 RK6MC +5 / -3 4 ✓ Full exchange observed
08-14 17:38 80m - / -6 UA4HJ -6 / - 2 ✓ Closing fragment
07-30 12:48 20m - / -6 PE9JAN -8 / - 2 Partial capture
07-29 09:53 20m - / -18 DK3HV -20 / - 2 ✓ Closing fragment
07-29 08:52 20m - / -14 RN6MA -4 / - 3 Partial capture
07-22 17:46 20m - / -7 TF4M -10 / - 2 ✓ Closing fragment
07-22 11:16 20m - / +5 TF4M -6 / - 2 ✓ Closing fragment
07-21 19:19 20m - / -18 IW2DNI -4 / - 3 ✓ Closing fragment
07-18 19:32 40m -7 / - UN8DSW - / -7 3 ✓ Closing fragment
07-18 19:28 40m -9 / - BG0HP - / -19 4 Partial capture
07-18 17:27 20m -17 / - OY1R - / - 2 Partial capture
07-18 17:23 20m -22 / - YC1RJN - / - 2 Partial capture
07-17 18:12 10m - / -12 RA9AJ -16 / - 6 ✓ Closing fragment
07-15 12:09 20m - / -9 MD0CCE +4 / - 2 ✓ Closing fragment
07-13 18:18 40m -18 / - HL3KPJ - / - 2 Partial capture
07-12 18:56 40m -13 / -12 RX3VF -12 / - 5 ✓ Closing observed

Recent FT8 messages decoded at SO8OO

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

80m 
UTC    dB Audio  Message
184215 -10 1709  UA4CKN R4HMI R-08
184230 -19  619  R4HMI UA4CKN RR73
184245 -10 1709  UA4CKN R4HMI 73
184330  -9 1772  R4HMI RK6MC KN97
184415  -7 1709  RK6MC R4HMI -13 (x2)
184545 -10 1709  R4HHN R4HMI -08 (x2)
184630  +0  852  R4HMI RA3BY KO75
184645 -10 1709  R4HHN R4HMI RR73
184700  -1  852  R4HMI RA3BY KO75
184715 -13 1709  RA3BY R4HMI +00
184730  -4  853  R4HMI RA3BY R-14
184745 -11 1709  RA3BY R4HMI RR73
184800  +0  853  R4HMI RA3BY 73
20m 
UTC    dB Audio  Message
192015  -1  583  R4HMI IW2DNI 73
111600  -8 2494  R4HMI TF4M +05 (x4)
085230  -6 2167  R4HMI RN6MA -14 (x3)
095300 -19 1790  R4HMI DK3HV R-18 (x2)
124845  -4 2572  R4HMI PE9JAN JO22 (x2)
082930 -13 3077  R4HMI UB8CPH -20
142845  -3 1003  R4HMI R2AL KO85 (x2)
40m 
UTC    dB Audio  Message
185815 -12  923  R4HMI RX3VF 73
181800 -19 2122  HL3KPJ R4HMI KO85 (x2)
192815  -6  644  BG0HP R4HMI KO85 (x4)
193245  -9  645  UN8DSW R4HMI KO85 (x3)
184945 -14 2363  VJ6X R4HMI R-25
165000 -16 2395  LB0XJ R4HMI KO85
193400 -21 1901  R4HMI <...> -09
143300  -2 2777  R4HMI UA3ZUX +03 (x2)
10m 
UTC    dB Audio  Message
185200 -21 1296  PP5CF R4HMI KO85
114815 -21 2125  DL2NYC R4HMI -04
114930 -19 2125  R4HMI RV6HE -06 (x2)
182045 -21 1782  R4HMI UB3DYV RR73
194000  -8 1099  R4HMI R6TA LN13
091145 -18 2035  R4HMI R6ML 73
092445 -16 1529  R4HMI RG7A 73
181215 -17 1738  R4HMI RA9AJ MO05
181245 -21 2144  R4HMI RA4P LO64
181245 -19 1738  R4HMI RA9AJ MO05 (x5)

Decoder S/N history by band

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