DK9ZZ — reception at SO8OO

Signals decoded by SO8OO in southeastern Poland. FT8 and CW have separate histories; all times are UTC.

FT8 activity

DXCC entity inferred from callsign: Fed. Rep. of Germany Most frequent locator attributed to this token: JO32

Receiver-side FT8 activity involving DK9ZZ, decoded by SO8OO in southeastern Poland. 135 FT8 messages attributed to this token as transmitter, on 80m, 40m, 20m, across 11 UTC dates in the available aggregate history. Observed between 2026-08-29 and 2026-11-03.

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 135 FT8 messages attributed to DK9ZZ as the transmitting token by decoded message structure across 11 UTC dates in the available aggregate history. The largest monitored-band total was 80 m (83%), followed by 20 m (10%) and 40 m (7%). Several six-hour UTC windows tied for the largest share (99%), so no unique busiest interval is claimed. Most successfully decoded messages attributed to this token fell in SO8OO's strong S/N range (79%); the estimated median was -2 dB.

Overview

135
Messages attributed
11
UTC dates decoded
18
Active 15-min windows
-2 dB
Estimated median S/N

Bands

80m · 112 40m · 10 20m · 13
First attributed message: 2026-08-29
Last attributed message: 2026-11-03 19:09 UTC

Observed FT8 message patterns

Attributed sample
135 messages
Active dates
11 UTC dates
Estimated median S/N
-2 dB
Estimated 10th-90th percentile
-13 to +6 dB
Recurring-pattern threshold
Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 12, moderate (-15 to -9 dB) 16, strong (≥ -8 dB) 107.

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 DK9ZZ 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 DK9ZZ

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
JO32 · 43 decoded messages
SO8OO receiver locator
KN09VW
Locator-centre separation
1,067 km (approx.)
Last such locator decoded
2026-11-03 19:08 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 UTCBandDK9ZZ S/NCounterpartCounterpart S/NMsgsCapture
11-03 19:08 80m - / - RA3WY -9 / - 5 Partial capture
11-03 19:08 80m 0 / +2 DO9SAM +5 / - 6 ✓ Full exchange observed
10-26 18:21 80m +2 / - M8BJL - / -12 4 ✓ Closing fragment
10-26 18:15 80m +8 / -9 HA9MDP 0 / -4 5 ✓ Full exchange observed
10-26 18:11 80m - / +7 OK1UOZ +15 / - 3 ✓ Closing fragment
10-26 18:09 80m 0 / -3 UZ5ZU 0 / -9 5 ✓ Full exchange observed
10-26 18:06 80m -3 / -7 DM5JBN +2 / +3 5 ✓ Full exchange observed
10-26 18:05 80m -1 / -7 HF5A -6 / - 4 ✓ Closing observed
10-26 18:04 80m -4 / -2 E70SZ -8 / -11 5 ✓ Full exchange observed
10-26 18:02 80m -3 / - SP0YAGI - / - 2 Partial capture
10-26 18:01 80m -4 / - F5TYY - / -11 2 ✓ Closing fragment
10-26 17:59 80m +1 / +5 DA6WM -6 / -8 3 ✓ Full exchange observed
10-26 17:58 80m -3 / -1 SP0YAGI 0 / -10 3 Partial capture
10-25 18:16 80m +3 / - EA3ISZ - / -25 8 ✓ Closing fragment
10-25 18:15 80m +7 / +6 DO9MH -2 / +1 3 ✓ Full exchange observed
10-25 18:11 80m - / -14 RU3VT -12 / - 2 Partial capture
10-25 18:10 80m +2 / - DK7TX -1 / +1 4 ✓ Closing observed
10-25 18:10 80m -2 / - DL4ME +3 / +10 4 ✓ Full exchange observed
10-25 18:08 80m -3 / +1 IZ3GNG +4 / +3 5 ✓ Full exchange observed
10-25 18:07 80m -6 / - HB9CEX +4 / +6 4 ✓ Full exchange observed
10-25 18:06 80m -4 / - IQ4JO - / -5 2 ✓ Closing fragment
10-25 18:02 80m +2 / - MI7XHT - / -8 6 ✓ Closing fragment
10-25 18:01 80m +14 / +6 DA6PI -16 / -10 5 ✓ Full exchange observed
10-25 17:58 80m +5 / -1 OK2CNI +1 / -18 7 ✓ Full exchange observed
10-25 17:57 80m - / - DL4ME +4 / - 6 Partial capture
10-25 17:57 80m 0 / - DO1ID -4 / +9 4 ✓ Full exchange observed
10-25 17:56 80m +8 / +1 DL2VN -2 / -13 7 ✓ Full exchange observed
10-25 17:56 80m +4 / -1 DD7EE -2 / +7 6 ✓ Full exchange observed
10-25 17:55 80m +6 / - DA1ST +9 / +4 5 ✓ Full exchange observed
10-01 17:17 40m +1 / - DD3ZZ 0 / -2 7 ✓ Closing observed
09-29 17:35 80m 0 / -2 DL0IR +16 / +10 5 ✓ Full exchange observed
09-10 17:03 40m -5 / - VJ6X - / -25 4 ✓ Closing fragment
09-02 17:22 80m -5 / -8 9A3EYA +2 / - 2 Partial capture
09-02 17:20 80m -4 / - OZ7CL -20 / -8 4 ✓ Closing observed
09-02 17:18 80m -10 / - DO7AGN - / +1 2 ✓ Closing fragment
09-02 17:14 80m -24 / - DO6THI - / -20 2 Partial capture
09-01 17:25 80m -5 / - OE5EYM - / -5 3 ✓ Closing fragment
09-01 17:23 80m - / +5 DB26YLBB +2 / - 2 Partial capture
09-01 17:18 80m -6 / - DO7UFN - / -12 2 ✓ Closing fragment
08-30 17:19 80m -20 / - DO1FED - / -19 3 ✓ Closing fragment
08-30 17:17 80m -16 / - OK8DCC -4 / -7 4 ✓ Closing observed
08-30 17:13 80m -19 / -1 F4GTB -11 / +1 5 ✓ Full exchange observed
08-30 17:09 80m - / -1 DO9BAU -12 / - 3 ✓ Closing fragment
08-30 17:08 80m -20 / -7 9A2AJ +3 / -16 4 ✓ Full exchange observed
08-30 17:06 80m -12 / - <...> - / -6 2 Partial capture
08-29 17:33 20m -8 / - BI4JJO - / -15 4 ✓ Closing fragment
08-29 17:30 20m -7 / - VK2LAW - / -21 4 ✓ Closing fragment
08-29 17:25 20m +2 / - R7OV - / -5 2 ✓ Closing fragment
08-26 17:26 40m - / - RA6FSV -7 / - 2 Partial capture
08-26 17:25 40m - / -2 DG4LXM -3 / - 3 ✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

80m 
UTC    dB Audio  Message
182230  +3 2246  M8BJL DK9ZZ R-12 (x2)
190800  -2 2153  CQ DK9ZZ JO32
190815  +2 2153  DK9ZZ DO9SAM JO61
190830  -4 2153  CQ DK9ZZ JO32
190845  -6 1752  DK9ZZ RA3WY KO81
190845  +9 2153  DK9ZZ DO9SAM JO61
190900  +4 2153  DO9SAM DK9ZZ +13
190915  +4 2153  DK9ZZ DO9SAM R+02
190930  -4 2153  DO9SAM DK9ZZ RR73
190945  -9 1752  DK9ZZ RA3WY KO81
190945  +4 2153  DK9ZZ DO9SAM 73
191015  -9 1752  DK9ZZ RA3WY KO81 (x3)
40m 
UTC    dB Audio  Message
172615  -8 1189  DK9ZZ RA6FSV LN05
172615  -2 2038  DK9ZZ DG4LXM R-02
172645  -6 1189  DK9ZZ RA6FSV LN05
172645  -1 2038  DK9ZZ DG4LXM 73
170345  -3  891  VJ6X DK9ZZ JO32 (x4)
171745  -3 1179  DD3ZZ DK9ZZ JO32 (x3)
171930  +0  521  DK9ZZ DD3ZZ RRR
171945  +4 1179  DD3ZZ DK9ZZ R-02 (x3)
20m 
UTC    dB Audio  Message
172415  +2  861  BG7BVI DK9ZZ JO32
172445  -5 1791  CQ DK9ZZ JO32                         a1 (x2)
172545  +1 1790  R7OV DK9ZZ -05 (x2)
173015  -9 1703  VK2LAW DK9ZZ JO32 (x4)
173315  -9 1702  BI4JJO DK9ZZ -15 (x4)

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.

CW

No CW receptions recorded for this callsign in the last 30 days.

Explore CW reception at SO8OO

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