MM5DWW — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Scotland Most frequent locator attributed to this token: IO89

Receiver-side FT8 activity involving MM5DWW, decoded by SO8OO in southeastern Poland. 495 FT8 messages attributed to this token as transmitter, on 60m, 40m, 20m, across 19 UTC dates in the available aggregate history. Observed between 2026-06-06 and 2026-09-20.

These are automated observations at the SO8OO receiver, not an official contact log. Times are UTC. Attribution follows decoded FT8 message structure: CQ uses the first token and directed-looking messages use the second. Free text that resembles a directed message can be attributed imperfectly. Summary S/N reflects propagation plus SO8OO receiver, antenna and local-noise conditions. Counts are not adjusted for monitoring outages; transmissions that were not decoded are absent. Inferred entity and location data may be inaccurate for portable, remote or special-event operation.

SO8OO decoded 495 FT8 messages attributed to MM5DWW as the transmitting token by decoded message structure across 19 UTC dates in the available aggregate history. The largest monitored-band total was 60 m (99%), followed by 20 m (1%) and 40 m (0%). Most decodes (93%) fell within the six-hour window 19:00-01:00 UTC. Most successfully decoded messages attributed to this token fell in SO8OO's moderate S/N range (77%); the estimated median was -12 dB.

Overview

495
Messages attributed
19
UTC dates decoded
79
Active 15-min windows
-12 dB
Estimated median S/N

Bands

60m · 489 40m · 1 20m · 5
First attributed message: 2026-06-06
Last attributed message: 2026-09-20 02:40 UTC

Observed FT8 message patterns

Attributed sample
495 messages
Active dates
19 UTC dates
Estimated median S/N
-12 dB
Estimated 10th-90th percentile
-15 to -8 dB
Recurring-pattern threshold
Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 44, moderate (-15 to -9 dB) 383, strong (≥ -8 dB) 68.

WSJT-X defines S/N reports against a 2,500 Hz reference noise bandwidth. The ranges above are SO8OO receiver-side display categories, not official WSJT-X classes, transmitter-power measurements or estimates of how easy the station is to hear elsewhere. Statistics include only successful decodes on SO8OO's monitored FT8 channels; transmissions that were not decoded are absent.

Frequent counterpart tokens observed at SO8OO

Tokens most often paired with MM5DWW in decoded directed-looking exchanges:

Attributed messages by UTC hour

Rolling 90-day UTC chart window. Counts follow decoded message structure: the first token for CQ, or the second token in a directed-looking message.

Most frequent locator attributed to MM5DWW

The map compares the centres and boundaries of the locator field attributed to this token by decoded message structure, 2° × 1° as a Maidenhead square, and SO8OO's six-character receiver square. The separation is not an exact antenna-to-antenna distance or a radio-path length.

Attributed locator
IO89 · 420 decoded messages
SO8OO receiver locator
KN09VW
Locator-centre separation
1,897 km (approx.)
Last such locator decoded
2026-09-20 02:40 UTC

A decoded locator can describe portable, remote or special-event operation and is not proof of a permanent station address or transmitter identity.

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 UTCBandMM5DWW S/NCounterpartCounterpart S/NMsgsCapture
09-20 02:40 60m -13 / -7 DA0O +2 / 0 4 ✓ Full exchange observed
09-20 02:28 60m -8 / -13 LZ2JE +10 / -1 5 ✓ Full exchange observed
09-20 02:22 60m -14 / -15 DL1LCK -8 / -14 5 ✓ Full exchange observed
09-20 02:19 60m -12 / - J48S - / - 2 Partial capture
09-20 02:09 60m - / -8 DL2AOM -12 / - 3 ✓ Closing fragment
09-20 02:01 60m -15 / - SP1ZMO - / +1 2 ✓ Closing fragment
09-20 01:49 40m - / - UA6LIK +2 / - 2 Partial capture
09-19 23:58 60m -11 / -10 HB9HAN -9 / +2 5 ✓ Full exchange observed
09-19 23:41 60m -13 / - OZ6CM +7 / - 4 ✓ Full exchange observed
09-19 23:25 60m -10 / - VE2CKW - / - 2 Partial capture
09-19 23:19 60m - / -2 DG4BZ -6 / - 2 Partial capture
09-19 23:13 60m -8 / - G6PZ - / - 4 ✓ Closing fragment
09-19 22:58 60m - / -15 G4KVI -8 / - 3 ✓ Closing fragment
09-19 22:52 60m - / - EB5CS -15 / - 2 ✓ Closing fragment
09-19 22:38 60m - / -6 DK3ME -3 / - 3 ✓ Closing fragment
09-19 22:33 60m -10 / -9 GM5SNW -12 / +9 4 ✓ Full exchange observed
09-19 22:12 60m -14 / -19 DH1PS -5 / - 5 ✓ Full exchange observed
09-19 22:09 60m - / -15 II8IHBC -18 / - 2 Partial capture
09-19 22:04 60m - / +1 DL5ASK +5 / - 3 ✓ Closing fragment
09-19 21:59 60m -14 / - II9IAGM - / -5 3 Partial capture
09-19 21:40 60m -8 / - M0EBM - / +10 2 ✓ Closing fragment
09-19 21:35 60m -11 / -14 DL6MDF -7 / -2 7 ✓ Full exchange observed
09-19 21:21 60m - / -4 SM7HWD 0 / - 3 ✓ Closing fragment
09-19 20:59 60m -12 / -11 DD6WF +9 / - 5 ✓ Full exchange observed
09-19 20:51 60m -13 / -16 II9IAGM -1 / -2 2 Partial capture
09-19 20:26 60m - / -20 DL5EBS -1 / - 5 ✓ Closing fragment
09-19 20:18 60m -12 / -2 F1PBZ -3 / -3 4 ✓ Full exchange observed
09-19 20:08 60m - / - DL1TJ -16 / - 2 Partial capture
09-19 20:05 60m - / - DL1TJ -13 / - 2 Partial capture
09-19 20:04 60m - / - SP6TID +4 / - 6 Partial capture
09-19 19:57 60m - / -20 SP4MPF -11 / - 4 ✓ Closing fragment
09-19 19:53 60m - / -5 G3SUY -3 / - 3 ✓ Closing fragment
09-19 19:43 60m - / - IK2VFR/P -2 / - 2 Partial capture
09-19 19:39 60m - / -8 PA8S -8 / - 4 ✓ Closing fragment
09-19 19:38 60m -13 / +8 ON7PM -24 / - 3 ✓ Closing observed
09-19 19:31 60m - / -13 SQ2BXI -6 / - 4 ✓ Closing fragment
09-19 19:30 60m -13 / -8 LA8ZIA -8 / - 4 ✓ Closing observed
09-19 19:28 60m -12 / -24 SQ3TR -6 / - 4 ✓ Closing observed
09-19 19:24 60m -6 / -12 G3PDQ -12 / -3 5 ✓ Full exchange observed
09-19 09:54 40m - / -22 PD4HT -12 / - 2 ✓ Closing fragment
09-18 22:29 60m -11 / +2 F5RMK -10 / -1 3 ✓ Full exchange observed
09-18 20:49 40m - / -19 ON1DGN -8 / - 4 Partial capture
09-18 20:47 40m - / -18 F4BYA +6 / - 3 ✓ Closing fragment
09-15 22:03 60m -10 / - VE1YX -6 / - 2 ✓ Closing observed
09-15 21:58 60m -4 / - GX3RAF/P - / - 2 Partial capture
09-15 21:48 60m - / -12 DG3TF -9 / - 5 ✓ Closing fragment
09-15 21:44 60m - / -11 9A7BB -2 / - 10 ✓ Closing fragment
09-15 21:34 60m -10 / - UR4UNR - / - 2 ✓ Closing fragment
09-15 21:34 60m -9 / -12 DL9YBH -6 / -4 5 ✓ Full exchange observed
09-15 20:34 60m - / 0 LB6BK -12 / - 3 ✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

60m 
UTC    dB Audio  Message
022915 -11  763  LZ2JE MM5DWW R-01
022930  +9 1032  MM5DWW LZ2JE RR73
022945  -8  763  LZ2JE MM5DWW 73
023015 -12  763  CQ MM5DWW IO89 (x8)
024030  +2  764  MM5DWW DA0O JO30
024045 -13  764  DA0O MM5DWW +00
024100  +2  764  MM5DWW DA0O R-07 (x2)
40m 
UTC    dB Audio  Message
004315  -9 2689  MM5DWW F1PBZ -13 (x2)
204730  +6 2932  MM5DWW F4BYA JN19 (x3)
204900 -13 1337  MM5DWW ON1DGN -19 (x4)
211345 -18 2444  CQ MM5DWW IO89
211530  -6 2444  MM5DWW GJ0KYZ RR73
095400 -13 2270  MM5DWW PD4HT R-22 (x2)
014945  +4 1824  MM5DWW UA6LIK LN08 (x2)
20m 
UTC    dB Audio  Message
211900 -14 2365  E70A MM5DWW IO89
212000 -13 2366  CQ MM5DWW IO89                        a1
221115 -12 1677  MM5DWW EA3AAY JN11 (x3)
140930 -15 2379  MM5DWW F1PSX JN08 (x3)
141130  -3 2225  MM5DWW HB9ITZ -13
141145 -19 2380  HB9ITZ MM5DWW R-10
141200  -8 2225  MM5DWW HB9ITZ RR73
141245 -18 2380  CQ MM5DWW IO89
142130  -4 2271  MM5DWW MU9LEA IN89
130615  -9  629  RI1FJL MM5DWW IO89
10m 
UTC    dB Audio  Message
090100  -4 2687  MM5DWW F1PBZ RR73
090830  -9  924  MM5DWW IU1TKT R-20 (x2)
090930 -12 1125  MM5DWW DL3MIB JN57 (x4)
103600  -8  811  MM5DWW DN9CHV JO31 (x4)
104030 -18 2118  MM5DWW M7NXK IO91 (x2)
110130  -7  801  MM5DWW DJ3HW -22 (x2)

Decoder S/N history by band

Count-weighted daily averages across messages attributed to this profiled token and successfully decoded at SO8OO, limited to the rolling 90-day UTC chart window.

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