DO9REF — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Fed. Rep. of Germany Locator transmitted in a decoded message: JO31

Receiver-side FT8 activity involving DO9REF, decoded by SO8OO in southeastern Poland. 126 related FT8 messages, 77 CQ messages, observed on 80m, 10m, across 7 UTC dates. Heard between 2026-05-28 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.

FT8DB and SO8OO WebSDR are a hobby project maintained solo. ☕ Buy me a coffee

Overview

126
Related messages
77
CQ messages
7
UTC dates heard
-4 dB
Mean decoder S/N

Bands

80m 10m
First seen: 2026-05-28
Last seen: 2026-08-23 02:14 UTC

Frequent QSO partners observed at SO8OO

Stations DO9REF worked most often, as logged from our receiver:

Activity Heatmap

Locator transmitted by DO9REF

Approximate centre of JO31, decoded 2026-08-23 04:14 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 UTCBandDO9REF S/NCounterpartCounterpart S/NMsgsCapture
08-23 04:12 80m -2 / - F5LMJ -19 / +3 4 ✓ Closing observed
08-23 04:10 80m +2 / -1 SP3PM -15 / -12 6 ✓ Full exchange observed
08-23 04:07 80m +6 / - SQ3JVA +7 / +5 5 ✓ Full exchange observed
08-19 20:51 80m -5 / -8 G0VRX -23 / -17 5 ✓ Full exchange observed
08-19 20:46 80m -3 / +5 SP2QVU -6 / -2 7 ✓ Full exchange observed
08-19 20:42 80m -4 / -5 SP9TBT +8 / +5 7 ✓ Full exchange observed
08-19 20:39 80m 0 / +10 DO2YJG -19 / 0 5 ✓ Full exchange observed
08-18 17:30 80m -17 / +1 DO7RMS -4 / -2 5 ✓ Full exchange observed
08-18 17:30 80m -16 / -7 OE5ABL -10 / -4 5 ✓ Full exchange observed
08-18 17:28 80m -7 / - DK5OPA - / +3 2 Partial capture
08-16 17:18 10m - / - IT9KHI -4 / - 4 Partial capture
08-15 23:14 80m - / - SP9TBT +22 / - 2 Partial capture
08-15 22:48 80m -13 / - DK1TBL - / -9 3 ✓ Closing fragment
06-10 17:59 10m +12 / -22 SV1HFE -3 / -15 9 ✓ Full exchange observed
06-10 17:57 10m +4 / - IK4UNQ - / -4 2 ✓ Closing fragment
06-10 17:51 10m -15 / - PY4ZDC - / -8 3 ✓ Closing fragment
05-28 04:21 80m -2 / -8 SP5GEO +10 / -8 5 ✓ Full exchange observed
05-28 04:18 80m -2 / - EB3EPR - / -15 2 ✓ Closing fragment
05-28 04:14 80m -7 / - IU4KET -21 / - 3 ✓ Closing observed
05-28 04:08 80m -6 / - GM7TUD - / -8 2 ✓ Closing fragment
05-28 04:04 80m -4 / - EA7AH - / -7 2 ✓ Closing fragment
05-28 04:02 80m -5 / - EB5CUZ -20 / -9 4 ✓ Closing observed
05-28 03:57 80m -6 / - PA1PAT -16 / +9 3 ✓ Closing observed
05-28 03:51 80m -9 / - DO8DL -4 / - 4 ✓ Closing observed
05-28 03:43 80m -3 / - Z62NS +5 / -8 6 ✓ Closing observed

Recent FT8 messages decoded at SO8OO

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

80m 
UTC    dB Audio  Message
040915  +4 1504  CQ POTA DO9REF JO31 (x2)
041000 -21 1505  DO9REF SP3PM JO72
041015  +2 1504  SP3PM DO9REF -12
041030 -13 1504  DO9REF SP3PM R-01
041045  +1 1505  SP3PM DO9REF RR73
041100 -11 1505  DO9REF SP3PM 73
041115  +3 1505  SP3PM DO9REF -15
041215  -1 1505  F5LMJ DO9REF +03 (x3)
041330 -19 1507  DO9REF F5LMJ 73
041345  +3 1505  CQ POTA DO9REF JO31 (x3)
10m 
UTC    dB Audio  Message
180100  +1 2860  DO9REF SV1HFE KM18
180115 +15 1994  SV1HFE DO9REF -13
180130  -8 2860  DO9REF SV1HFE KM18
180145  +9 1994  SV1HFE DO9REF -13
180200  -3 2860  DO9REF SV1HFE R-22
180215  +8 1994  SV1HFE DO9REF RR73
180230  -2 2860  DO9REF SV1HFE 73
171800  -4 2736  DO9REF IT9KHI JM77 (x4)
172445 -20 1192  IT9KHI DO9REF -12
172615 -16 1192  CQ POTA DO9REF JO31
173245 -18 1192  IZ7UBU DO9REF -15
173415 -22 1192  CQ POTA DO9REF JO31

Decoder S/N history by band

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