HB9EHP — 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: JN47

Receiver-side FT8 activity involving HB9EHP, decoded by SO8OO in southeastern Poland. 185 FT8 messages attributed to this token as transmitter, on 40m, 20m, across 6 UTC dates in the available aggregate history. Observed between 2026-07-09 and 2026-10-25.

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 185 FT8 messages attributed to HB9EHP as the transmitting token by decoded message structure across 6 UTC dates in the available aggregate history. The largest monitored-band total was 40 m (67%), followed by 20 m (33%). Most decodes (98%) fell within the six-hour window 01:00-07:00 UTC. Received S/N was mixed across SO8OO's weak, moderate and strong ranges; the estimated median was -12 dB.

Overview

185
Messages attributed
6
UTC dates decoded
17
Active 15-min windows
-12 dB
Estimated median S/N

Bands

First attributed message: 2026-07-09
Last attributed message: 2026-10-25 06:04 UTC

Observed FT8 message patterns

Attributed sample
185 messages
Active dates
6 UTC dates
Estimated median S/N
-12 dB
Estimated 10th-90th percentile
-18 to 0 dB
Recurring-pattern threshold
Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 46, moderate (-15 to -9 dB) 75, strong (≥ -8 dB) 64.

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 HB9EHP

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
JN47 · 52 decoded messages
SO8OO receiver locator
KN09VW
Locator-centre separation
975 km (approx.)
Last such locator decoded
2026-07-10 04:57 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 UTCBandHB9EHP S/NCounterpartCounterpart S/NMsgsCapture
10-25 06:02 40m -9 / -20 IU8RFW -6 / -9 5 ✓ Full exchange observed
10-25 06:00 40m -2 / - KS1WK - / -23 3 ✓ Closing fragment
10-25 05:53 40m -4 / -10 F1OPS -4 / -8 12 ✓ Full exchange observed
10-25 05:51 40m -5 / - KS1WK - / -17 6 Partial capture
09-20 04:39 40m 0 / - WX3S - / -17 4 ✓ Closing fragment
09-20 04:34 40m +3 / - WX7P -16 / - 3 ✓ Closing observed
09-20 04:32 40m +5 / - NO5Z - / -12 5 Partial capture
09-20 04:29 40m +2 / -16 RY3F -8 / -3 5 ✓ Full exchange observed
09-20 04:28 40m 0 / - OA4ENG - / -19 3 ✓ Closing fragment
08-29 01:33 40m -3 / - TN8GD - / -15 3 Partial capture
08-25 05:15 40m -2 / - KF0GE - / -19 15 Partial capture
08-25 03:54 20m -13 / - OA6AMN - / -11 5 ✓ Closing fragment
08-25 03:52 20m -16 / - KZ4SC - / -10 5 ✓ Closing fragment
08-25 03:49 20m -13 / - ZL2BH - / -23 4 Partial capture
08-25 03:39 20m -15 / - W5BUC - / -22 3 Partial capture
08-25 03:33 20m -12 / - KJ5PTH - / -13 7 Partial capture
08-25 03:29 20m -5 / - K5MGY - / -4 4 ✓ Closing fragment
08-25 03:26 20m -10 / -19 PR8ZX -14 / -9 7 ✓ Full exchange observed
08-25 03:22 20m -13 / - AG5PC - / -9 6 ✓ Closing fragment
08-25 03:18 20m -13 / - WC9I - / - 3 ✓ Closing fragment
08-25 03:12 20m -8 / - PY3TD - / -19 7 Partial capture
08-25 03:07 20m -18 / - SP6FME - / -7 3 ✓ Closing fragment
08-25 03:04 20m -17 / -7 XQ1KK -1 / - 3 ✓ Closing observed
08-25 02:58 20m -23 / - VE6CV - / -16 4 Partial capture

Recent FT8 messages decoded at SO8OO

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

40m
UTC    dB Audio  Message
055630  -4  935  F1OPS HB9EHP -08 (x5)
055845  -5  841  HB9EHP F1OPS 73
055900  -9  936  F1OPS HB9EHP 73
060000  -5  935  KS1WK HB9EHP -23 (x3)
060230  -8  935  IU8RFW HB9EHP -09
060315  -6  831  HB9EHP IU8RFW R-20
060330  -8  935  IU8RFW HB9EHP RRR (x3)
20m
UTC    dB Audio  Message
034045 -21 1869  W5BUC HB9EHP -22
034915 -14 1869  ZL2BH HB9EHP -23 (x4)
035215 -17 1929  KZ4SC HB9EHP -10 (x5)
035445 -17 1929  OA6AMN HB9EHP -11 (x5)

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