HB9DLT — 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: Switzerland Most frequent locator attributed to this token: JN36

Receiver-side FT8 activity involving HB9DLT, decoded by SO8OO in southeastern Poland. 312 FT8 messages attributed to this token as transmitter, on 80m, 40m, 20m, 10m, across 34 UTC dates in the available aggregate history. Observed between 2026-06-07 and 2026-10-17.

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 312 FT8 messages attributed to HB9DLT as the transmitting token by decoded message structure across 34 UTC dates in the available aggregate history. The largest monitored-band total was 40 m (60%), followed by 20 m (36%) and 10 m (4%). Most decodes (65%) fell within the six-hour window 06:00-12:00 UTC. Received S/N was mixed across SO8OO's weak, moderate and strong ranges; the estimated median was -13 dB.

Overview

312
Messages attributed
34
UTC dates decoded
90
Active 15-min windows
-13 dB
Estimated median S/N

Bands

First attributed message: 2026-06-07
Last attributed message: 2026-10-17 14:37 UTC

Observed FT8 message patterns

Attributed sample
312 messages
Active dates
34 UTC dates
Estimated median S/N
-13 dB
Estimated 10th-90th percentile
-20 to -4 dB
Recurring-pattern threshold
Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 94, moderate (-15 to -9 dB) 135, strong (≥ -8 dB) 83.

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 HB9DLT

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
JN36 · 131 decoded messages
SO8OO receiver locator
KN09VW
Locator-centre separation
1,158 km (approx.)
Last such locator decoded
2026-10-17 14:35 UTC

Other locator fields attributed to this token: JN47 (16) and JN46 (1).

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 UTCBandHB9DLT S/NCounterpartCounterpart S/NMsgsCapture
10-23 17:10 40m - / -19 DD3ZZ -8 / - 3 Partial capture
10-17 14:35 40m -12 / - PA3GHJ - / +5 4 ✓ Closing fragment
10-17 14:31 40m -14 / - F4JKY/P - / +7 3 ✓ Closing fragment
10-17 14:27 40m -10 / - SP9NVY -15 / -12 6 ✓ Closing observed
10-17 14:19 40m -18 / +10 HB9HJI -13 / - 6 ✓ Closing observed
10-16 20:40 40m - / -15 DC7LR -6 / - 2 Partial capture
10-16 19:35 40m -3 / - G6DXY -19 / - 2 ✓ Closing observed
10-16 19:30 40m +1 / - G6DXY - / -9 5 Partial capture
10-16 11:03 40m - / -4 DK5UR -8 / - 3 ✓ Closing fragment
10-16 10:22 40m - / -17 DK1IO/T -16 / - 2 Partial capture
10-16 10:21 40m -23 / -12 OK2RM -16 / - 7 ✓ Closing observed
10-16 10:21 40m - / -8 DD6UVO -17 / - 4 ✓ Closing fragment
10-16 10:11 40m - / -10 DD1LD -15 / - 6 ✓ Closing fragment
10-16 10:10 40m - / -2 SP9MIV +2 / - 2 ✓ Closing fragment
10-16 10:09 40m -24 / - I4RHP -8 / +2 3 Partial capture
10-16 10:07 40m - / -12 OH3MB -13 / - 3 Partial capture
10-15 14:59 40m - / -2 DL4DBM -10 / - 2 ✓ Closing fragment
10-15 14:44 40m -12 / - SA7BXU - / -22 2 Partial capture
10-15 14:41 40m -15 / - SA7BXU - / - 2 Partial capture
10-15 14:35 40m -9 / - DL4DBM - / -1 3 Partial capture
10-15 13:24 40m -18 / - SA7BXU - / -17 2 Partial capture
10-15 06:09 40m -9 / - PQ5TA - / - 2 Partial capture
10-12 19:29 40m -8 / - SP5ALV - / +10 2 Partial capture
10-12 19:24 40m -12 / - IT9GJK/P - / -7 2 Partial capture
10-12 18:33 40m -4 / - EX7CQ - / - 2 Partial capture
10-12 15:06 40m -13 / - SP2PR - / -18 2 ✓ Closing fragment
10-12 15:06 40m - / - SP4DIS -9 / - 2 Partial capture
10-12 14:48 40m -8 / - M0VTS/P - / - 3 Partial capture
10-11 11:51 40m - / -16 DL4DBM -12 / - 2 ✓ Closing fragment
10-07 18:26 40m - / -25 DD3ZZ -12 / - 2 Partial capture
10-07 08:16 40m -21 / - SP9OJ -20 / +3 2 Partial capture
10-07 08:14 40m - / - S56MLZ -7 / - 4 Partial capture
10-07 08:14 40m - / - SP9XG -10 / - 2 Partial capture
10-07 08:14 40m -19 / - DL4DBM -16 / - 3 ✓ Closing observed
10-07 08:10 40m - / +5 I4RHP +2 / - 5 ✓ Closing fragment
10-07 08:09 40m -17 / +2 OE3KAB -16 / +4 4 Partial capture
10-07 08:06 40m -14 / -13 DL7UVO -8 / +6 6 ✓ Full exchange observed
10-07 08:06 40m -14 / - SQ3KO - / -19 2 ✓ Closing fragment
10-07 08:04 40m -12 / - DG3NAB - / -8 3 Partial capture
10-07 08:02 40m -10 / -6 DD1LD -4 / +5 6 ✓ Full exchange observed
10-07 08:00 40m -10 / -3 OT8T -6 / - 5 ✓ Full exchange observed
10-06 09:25 40m - / -15 DM7MA -12 / - 2 Partial capture
10-06 08:48 40m - / -18 PA3GHJ -24 / - 2 Partial capture
10-05 16:46 40m - / -22 HB9ELE +6 / - 4 ✓ Closing fragment
10-05 06:59 40m - / - G0BIX -17 / - 9 Partial capture
10-05 06:54 40m -14 / - F4JKY/P - / -8 2 Partial capture
10-05 06:52 40m -16 / -14 SP9XG -18 / - 4 ✓ Closing observed
10-05 06:50 40m - / -16 SP4VIT -10 / - 3 ✓ Closing fragment
10-05 06:35 40m - / -16 F4IIX -18 / - 2 Partial capture
10-05 06:34 40m -22 / - G3TKT - / +1 2 Partial capture

Recent FT8 messages decoded at SO8OO

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

40m
UTC    dB Audio  Message
142745 -14 1393  HB9DLT SP9NVY RR73 (x2)
143000 -13  792  SP9NVY HB9DLT R-12
143015 -15 1392  HB9DLT SP9NVY RR73
143100 -11  792  F4JKY/P HB9DLT JN36 (x3)
143500 -12  792  PA3GHJ HB9DLT JN36 (x4)
135015 -16 2543  HB9DLT DC7LR -09
171045  -8 1759  HB9DLT DD3ZZ -19 (x3)
80m
UTC    dB Audio  Message
183745 -15  707  9H6C HB9DLT JN36
20m
UTC    dB Audio  Message
103445 -14 2658  CQ POTA HB9DLT JN36
103600  -8 2285  HB9DLT IZ4CCL JN54 (x3)
103815 -10 2658  SP5OKO HB9DLT RR73
091000 -18 2155  CT1END/P HB9DLT JN36
084345 -24 1527  SP9SIR HB9DLT JN36
113015 -14 2309  SP8S/P HB9DLT JN36
114100  -8 2447  DD6UVO HB9DLT JN36
114200  -7 2526  SQ5WBW HB9DLT JN36 (x2)
130630  -7 1327  HB9DLT EA1IQM -12 (x2)
174745  -8 2713  HB9DLT Z31PM RR73
184800 -11 2380  HB9DLT EA2WX/P -12
10m
UTC    dB Audio  Message
083130  +3 2766  SA7CTL HB9DLT -02
083200 -12 2267  OE6AXG HB9DLT +06 (x2)
083300 -13 2267  SA7CTL HB9DLT RR73
083330 -12 2267  LZ2VQ HB9DLT +05 (x2)
083415 -20 2267  HB9DLT LZ2VQ 73
083430  -5 2267  CQ POTA HB9DLT JN36
083700 -14 2267  DL1BBO HB9DLT RR73
083730 -18 2267  CQ POTA HB9DLT JN36
083900 -13 2268  CR7BUJ HB9DLT -12
083915 -18 1257  HB9DLT CR7BUJ R-14
084130 -12 2268  CQ POTA HB9DLT JN36 (x3)

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