DD7HZ — 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: JO62

Receiver-side FT8 activity involving DD7HZ, decoded by SO8OO in southeastern Poland. 112 FT8 messages attributed to this token as transmitter, on 80m, 40m, across 9 UTC dates in the available aggregate history. Observed between 2026-10-24 and 2026-11-04.

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 112 FT8 messages attributed to DD7HZ as the transmitting token by decoded message structure across 9 UTC dates in the available aggregate history. The largest monitored-band total was 80 m (50%), followed by 40 m (50%). Most decodes (52%) fell within the six-hour window 13:00-19:00 UTC. Received S/N was mixed across SO8OO's weak, moderate and strong ranges; the estimated median was -13 dB.

Overview

112
Messages attributed
9
UTC dates decoded
20
Active 15-min windows
-13 dB
Estimated median S/N

Bands

First attributed message: 2026-10-24
Last attributed message: 2026-11-04 16:50 UTC

Observed FT8 message patterns

Attributed sample
112 messages
Active dates
9 UTC dates
Estimated median S/N
-13 dB
Estimated 10th-90th percentile
-22 to -6 dB
Recurring-pattern threshold
Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 35, moderate (-15 to -9 dB) 59, strong (≥ -8 dB) 18.

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.

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 DD7HZ

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
JO62 · 43 decoded messages
SO8OO receiver locator
KN09VW
Locator-centre separation
675 km (approx.)
Last such locator decoded
2026-11-04 16:50 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 UTCBandDD7HZ S/NCounterpartCounterpart S/NMsgsCapture
11-04 15:51 40m - / +9 DK0KG -5 / - 3 ✓ Closing fragment
11-04 15:51 40m -14 / - R1AV -20 / -6 4 Partial capture
11-04 15:50 40m -10 / - HA7TM +6 / -7 5 ✓ Closing observed
11-04 15:47 40m -14 / +2 DL9KM -11 / -10 3 ✓ Full exchange observed
11-04 15:46 40m -12 / -4 R1BEO -16 / -15 6 ✓ Full exchange observed
11-04 15:46 40m -15 / - EU6UE - / -11 2 ✓ Closing fragment
11-04 15:42 40m -8 / - PD0MNO - / -6 3 ✓ Closing fragment
11-04 15:34 40m -13 / -5 G3VCQ -7 / -5 6 ✓ Full exchange observed
11-04 15:33 40m -7 / 0 DB2GM -10 / -4 5 ✓ Full exchange observed
11-04 15:30 40m -11 / - RX9CET - / -12 2 Partial capture
11-04 15:27 40m -10 / - PD2MAC - / -17 2 Partial capture
11-04 15:26 40m -13 / -5 DL7ACN -11 / -9 2 Partial capture
11-04 15:24 40m -7 / 0 DD1OO -9 / - 4 ✓ Closing observed
11-04 15:22 40m -5 / - F1UNR -11 / -15 4 ✓ Closing observed
11-03 19:08 80m - / -14 DH3UN -1 / - 3 ✓ Closing fragment
11-03 19:08 80m - / -10 DL1UDO -3 / - 3 ✓ Closing fragment
11-03 19:06 80m - / -19 DL6UM -2 / - 4 Partial capture
11-03 19:03 80m - / -9 DK6ITM 0 / - 2 ✓ Closing fragment
11-03 18:55 80m - / - DO9SAM -1 / - 2 Partial capture
11-02 16:51 40m -24 / - TA4SM - / - 2 Partial capture
11-01 05:32 40m - / -13 ES2DR -6 / - 2 ✓ Closing fragment
11-01 04:46 40m - / -1 YL2TM -15 / - 3 ✓ Closing fragment
11-01 04:43 40m - / -11 UR9QQ -5 / - 3 ✓ Closing fragment
11-01 04:40 40m - / -16 UR4QWW -23 / - 3 ✓ Closing fragment
10-31 03:35 80m -10 / -12 DA6OOM -6 / -5 4 ✓ Full exchange observed
10-31 03:34 80m -20 / -14 LY2EW -2 / -5 5 ✓ Full exchange observed
10-31 03:32 80m -10 / -13 OK1UOZ +19 / +1 5 ✓ Full exchange observed
10-31 03:30 80m -8 / -11 DO1OAS -3 / -4 6 ✓ Full exchange observed
10-31 03:27 80m -15 / -14 IQ4JO +8 / -3 4 ✓ Full exchange observed
10-31 03:21 40m - / +5 F5OYA/P -18 / - 2 ✓ Closing fragment
10-31 03:15 80m -10 / - SV3AUW - / - 3 Partial capture
10-31 02:54 80m -13 / +1 DL4NWM +7 / 0 5 ✓ Full exchange observed
10-31 02:52 80m -11 / -14 UX7QV -13 / -4 5 ✓ Full exchange observed
10-31 02:50 80m -14 / -9 DO5SB +2 / +1 6 ✓ Full exchange observed
10-31 02:49 80m -12 / -16 S50XX +4 / -12 5 ✓ Full exchange observed
10-31 02:46 80m -10 / - DL9KM -7 / -14 3 ✓ Closing observed
10-31 02:46 80m -14 / -11 DK7ZT +4 / 0 7 ✓ Full exchange observed
10-31 02:44 80m - / -17 9A4ZM +3 / - 3 ✓ Closing fragment
10-31 02:43 80m -12 / -3 OK2CNI +3 / +4 5 ✓ Full exchange observed
10-31 02:43 80m -9 / - OS4K - / -8 2 ✓ Closing fragment
10-31 02:41 80m -13 / -15 YO4NF +2 / -6 4 ✓ Full exchange observed
10-31 02:40 80m -11 / -10 LZ2VQ -8 / -6 4 ✓ Full exchange observed
10-31 02:37 80m -13 / - DO9BAU +10 / -10 4 ✓ Closing observed
10-31 02:36 80m -20 / - DK7UY - / -4 3 ✓ Closing fragment
10-31 02:35 80m -14 / - S50XX +8 / -11 4 Partial capture
10-30 15:46 40m - / -3 HB9ELE +10 / - 2 ✓ Closing fragment
10-30 15:34 40m -16 / -8 SV2BWY -2 / - 3 ✓ Closing observed
10-30 15:32 40m -15 / - PD9JPV - / -15 2 ✓ Closing fragment
10-30 15:31 40m - / - R2AL -7 / - 4 Partial capture
10-30 15:30 40m -17 / - 4O4DB - / -15 2 ✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

40m
UTC    dB Audio  Message
154945 -16 1468  DD7HZ R1BEO 73
155000  -2 1468  CQ DD7HZ JO62
155015  +6 1469  DD7HZ HA7TM JN97 (x2)
155100  -9 1568  HA7TM DD7HZ -07 (x2)
155145 -21 1467  DD7HZ R1AV KP50
155145  +7 1569  DD7HZ HA7TM 73
155145  -7 1142  DD7HZ DK0KG JN49
155215 -18 1467  DD7HZ R1AV KP50
155215  -6 1142  DD7HZ DK0KG R+09 (x2)
155400 -10 1568  R1AV DD7HZ -06 (x2)
165015 -18 1748  UN9L DD7HZ JO62
80m
UTC    dB Audio  Message
190045  +3  989  DD7HZ DO9SAM JO61
190315  +3  990  DD7HZ DK6ITM -09 (x2)
190545 -11  989  DD7HZ PC2J R-24
190645  -3  793  DD7HZ DL6UM JO60 (x3)
190845  +1  459  DD7HZ DL1UDO JO31
190845  +2  989  DD7HZ DH3UN JO31
190915  +4  793  DD7HZ DL6UM R-19
190915  -8  459  DD7HZ DL1UDO R-10 (x2)
191045  -2  989  DD7HZ DH3UN R-14 (x2)
191415 -15 1700  DD7HZ DB100FT R+01

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

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