RW4HM — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: European Russia Locator transmitted in a decoded message: LO43

Receiver-side FT8 activity involving RW4HM, decoded by SO8OO in southeastern Poland. 228 related FT8 messages, observed on 80m, 40m, 20m, 10m, across 43 UTC dates. Heard between 2026-05-24 and 2026-08-20.

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

228
Related messages
0
CQ messages
43
UTC dates heard
-5 dB
Mean decoder S/N

Bands

80m 20m 40m 10m
First seen: 2026-05-24
Last seen: 2026-08-20 04:59 UTC

Frequent QSO partners observed at SO8OO

Stations RW4HM worked most often, as logged from our receiver:

Activity Heatmap

Locator transmitted by RW4HM

Approximate centre of LO43, decoded 2026-08-14 18:43 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 UTCBandRW4HM S/NCounterpartCounterpart S/NMsgsCapture
08-20 06:58 20m - / - F5RAV -10 / - 3 Partial capture
08-16 06:21 20m -23 / - RW3C/P - / -9 2 ✓ Closing fragment
08-14 18:43 80m -21 / -14 R6DOB/7 -12 / - 2 Partial capture
08-14 18:40 80m - / -13 R6DOB/7 -11 / - 4 Partial capture
08-11 03:57 20m -16 / - R6OP - / -7 2 Partial capture
08-11 03:55 20m -13 / - R6OK - / - 2 Partial capture
08-11 03:53 20m -14 / - UB8CSJ - / -17 3 Partial capture
08-11 03:51 20m -17 / - <...> - / -12 2 Partial capture
08-06 18:47 80m -22 / - R2EN - / -6 2 ✓ Closing fragment
08-06 18:42 80m -21 / +2 R4CES -10 / - 3 ✓ Closing observed
08-06 18:41 80m -21 / - R8CKD - / - 2 ✓ Closing fragment
08-05 18:40 80m -16 / -13 R3DMS 0 / -8 4 ✓ Full exchange observed
08-05 18:36 80m -17 / -15 RL3FA -2 / - 3 ✓ Closing observed
08-05 18:26 80m - / -12 R2AFI -15 / - 3 ✓ Closing fragment
08-05 18:21 80m -16 / 0 UG4I -11 / +3 6 ✓ Full exchange observed
08-05 18:18 80m -18 / -11 R6FNM -2 / -9 6 ✓ Full exchange observed
08-05 18:15 80m -16 / -14 R0AH -15 / - 3 ✓ Closing observed
08-05 18:11 80m -22 / -5 R6ZAJ -13 / - 3 ✓ Closing observed
08-05 18:07 80m -20 / -1 RA3ZOM +3 / -7 6 ✓ Full exchange observed
08-03 02:18 40m -15 / - OA4ENG - / - 3 ✓ Closing fragment
08-02 18:15 80m -22 / - <...> - / - 2 Partial capture
08-02 18:10 80m -17 / - R2GFD 0 / -8 4 ✓ Closing observed
07-29 15:42 20m -16 / - <...> - / -10 3 Partial capture
07-29 03:46 20m -2 / - TN8GD - / -20 5 ✓ Closing fragment
07-29 03:43 20m -10 / - TN8GD - / - 2 Partial capture
07-29 03:41 20m -10 / - <...> - / - 3 Partial capture
07-28 18:05 80m -16 / -22 R2EA/P -6 / -16 4 ✓ Full exchange observed
07-28 18:04 80m -6 / -6 R3YAR +8 / -6 4 ✓ Full exchange observed
07-28 18:02 80m -9 / -11 R6ZEJ +4 / -14 6 ✓ Full exchange observed
07-28 07:32 20m -13 / - R70OBN - / -13 3 ✓ Closing fragment
07-28 07:30 20m - / -7 UB6OCD -14 / - 2 ✓ Closing fragment
07-26 10:49 20m -20 / +5 RA6OV -14 / -7 3 Partial capture
07-24 18:47 80m - / -1 RA4ABH -16 / - 2 ✓ Closing fragment
07-24 18:45 80m - / -2 R4PF -10 / - 2 ✓ Closing fragment
07-24 18:42 80m - / -5 R5BM -12 / - 4 ✓ Closing fragment
07-24 18:37 80m -20 / -9 YO4NT +11 / - 3 ✓ Closing observed
07-21 07:16 10m - / -6 RA6HIH -12 / - 2 ✓ Closing fragment
07-19 07:16 10m - / +7 UA3DPM -14 / - 2 ✓ Closing fragment
07-18 02:16 40m - / -14 R2RCQ -16 / - 2 ✓ Closing fragment
07-12 17:56 20m -15 / - RA6UAC -15 / - 2 ✓ Closing observed
07-11 20:26 80m -24 / - RD2T - / -10 2 Partial capture
07-10 17:51 80m -20 / -9 RC6OD +6 / - 4 ✓ Closing observed
07-05 18:58 80m - / -20 UA3QHF +2 / - 2 ✓ Closing fragment
06-27 02:57 40m - / -15 EW4DX -8 / - 4 ✓ Closing fragment
06-21 11:52 10m - / -16 R6DZR -10 / - 3 ✓ Closing fragment
06-20 15:27 10m - / -1 RA3AHN -18 / - 2 ✓ Closing fragment
06-20 02:44 40m - / -8 RD5Q -4 / - 2 ✓ Closing fragment
06-20 02:38 20m - / -10 A71QQ +2 / - 3 ✓ Closing fragment
06-20 01:15 40m -24 / -3 YO6LM -7 / - 4 ✓ Closing observed
06-20 01:11 40m -23 / - YO6LM -7 / -6 2 Partial capture

Recent FT8 messages decoded at SO8OO

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

20m 
UTC    dB Audio  Message
035345 -13 2026  UB8CSJ RW4HM LO43 (x2)
035545 -15 1443  R6OK RW4HM LO43 (x2)
035715 -20 1445  R6OP RW4HM LO43 (x2)
035945 -20 1445  RA6ZS RW4HM LO43
062115 -22 1919  RW3C/P RW4HM R-09 (x2)
065330  +3 2690  RW4HM R6DOB/M -07
065345  -6 2130  <...> RW4HM R-16
065645 -11 2131  RN2F RW4HM R-07
065830 -15 1783  RW4HM F5RAV JN09 (x3)
80m 
UTC    dB Audio  Message
184315  -9 1768  RW4HM R4CES RR73
184330 -21 1982  R4CES RW4HM 73
184400 -23 1983  UB6OAK RW4HM LO43
184530 -11 1443  RW4HM <...> +02
184715 -21 1983  R2EN RW4HM R-06 (x2)
184915 -22 1758  RW4HM R4FES +00
171745  -4 1108  RW4HM RM5F KO85
184000 -16 2186  RW4HM R6DOB/7 -13 (x4)
184345 -21 1863  <R6DOB/7> RW4HM LO43
184430 -12 2066  RW4HM R6DOB/7 -14
184500  -2 2066  RW4HM RR73; RF9C <...> -10
40m 
UTC    dB Audio  Message
012045  -1  638  RW4HM 2E0FHM RR73
024400  -2  510  RW4HM RD5Q -08 (x2)
021815 -15 2504  RW4HM RN3DDW/P -05
025730 -12  604  RW4HM EW4DX KO23 (x4)
173445 -16 2237  RW4HM UB6OCD RR73
021400 -23 1839  RW4HM RD6OZ 73
021615 -15 1564  RW4HM R2RCQ -14 (x2)
021815 -16 1003  OA4ENG RW4HM LO43 (x3)
10m 
UTC    dB Audio  Message
152745 -15 1899  RW4HM RA3AHN -01 (x2)
064100 -10 2462  RW4HM R6SH RR73
115200  -9 1150  RW4HM R6DZR -16 (x3)
133930  +3 2937  RW4HM RV6AVU -16
153230 -21 1270  RW4HM R6FMK 73
085745 -22 1879  RW4HM RA3ZGT RR73
071630 -17 2360  RW4HM UA3DPM +07 (x2)
075145 -13 2542  RW4HM RC6OX RR73
071630 -12 1651  RW4HM RA6HIH -06 (x2)
073045 -13 2568  RW4HM R6OK RR73

Decoder S/N history by band

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