US0HB — 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: Ukraine Most frequent locator attributed to this token: KN69

Receiver-side FT8 activity involving US0HB, decoded by SO8OO in southeastern Poland. 51 FT8 messages attributed to this token as transmitter, on 40m, 20m, across 4 UTC dates in the available aggregate history. Observed between 2026-07-19 and 2026-09-13.

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 51 FT8 messages attributed to US0HB as the transmitting token by decoded message structure across 4 UTC dates in the available aggregate history. The largest monitored-band total was 20 m (65%), followed by 40 m (35%). Most decodes (96%) fell within the six-hour window 14:00-20:00 UTC. Most successfully decoded messages attributed to this token fell in SO8OO's strong S/N range (69%); the estimated median was -5 dB.

Overview

51
Messages attributed
4
UTC dates decoded
8
Active 15-min windows
-5 dB
Estimated median S/N

Bands

40m · 18 20m · 33
First attributed message: 2026-07-19
Last attributed message: 2026-09-13 19:04 UTC

Observed FT8 message patterns

Attributed sample
51 messages
Active dates
4 UTC dates
Estimated median S/N
-5 dB
Estimated 10th-90th percentile
-12 to +2 dB
Recurring-pattern threshold
Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 0, moderate (-15 to -9 dB) 16, strong (≥ -8 dB) 35.

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 US0HB 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 US0HB

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
KN69 · 27 decoded messages
SO8OO receiver locator
KN09VW
Locator-centre separation
807 km (approx.)
Last such locator decoded
2026-09-13 19:04 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 UTCBandUS0HB S/NCounterpartCounterpart S/NMsgsCapture
09-13 19:01 40m +2 / - DJ0MAB - / - 2 Partial capture
09-13 18:57 40m -2 / - DG0OFT - / - 2 Partial capture
09-13 18:55 40m -10 / -22 9A3K +15 / -2 7 ✓ Full exchange observed
09-13 18:52 40m -9 / -11 OZ7CL 0 / -1 8 ✓ Full exchange observed
09-13 18:51 40m - / - DL8TV +3 / - 4 Partial capture
09-13 18:50 40m - / -9 9A2AJ +4 / - 2 ✓ Closing fragment
09-13 14:58 40m -4 / - EX7CQ -12 / -17 3 ✓ Closing observed
09-11 12:33 40m - / - HA3HZ -5 / - 6 Partial capture
08-23 15:53 20m -8 / -5 F1ODM +5 / -25 6 ✓ Full exchange observed
08-23 15:49 20m - / - F4AWT +6 / - 2 Partial capture
08-23 15:48 20m - / - DL1R -9 / - 6 Partial capture
08-23 15:47 20m 0 / - SP6FME - / -25 2 ✓ Closing fragment
08-23 15:44 20m -2 / +1 IQ4JO +2 / -13 5 ✓ Full exchange observed
08-23 15:41 20m -8 / - IV3JBR -5 / -23 3 ✓ Closing observed
08-23 15:40 20m - / -10 BG7BMG -16 / - 2 Partial capture
08-23 15:38 20m - / - EA5QS -5 / - 9 Partial capture
08-23 15:38 20m -6 / - PD3LKN -12 / -23 4 ✓ Closing observed
08-23 15:35 20m -1 / -17 UN6PC -18 / -25 5 Partial capture
08-23 15:35 20m -10 / -9 SA3SHN +2 / -25 7 Partial capture

Recent FT8 messages decoded at SO8OO

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

40m 
UTC    dB Audio  Message
185500 +13 1179  US0HB 9A3K JN65 (x2)
185600  -8  598  US0HB DK8HC JO42
185600 +12 1179  US0HB 9A3K -19
185615 -13 1179  9A3K US0HB R-02
185630 +19 1179  US0HB 9A3K RR73
185645  -7 1178  9A3K US0HB R-02
185700 +15 1179  US0HB 9A3K RR73
185745  -4  734  DG0OFT US0HB KN69 (x2)
185915  -8  873  SQ9SET US0HB KN69
190130  +3  456  DJ0MAB US0HB KN69 (x2)
190400  -5 1090  PI4DX US0HB KN69
190430 -18 1870  US0HB 9A3SO -11
20m 
UTC    dB Audio  Message
155000  -6 2658  US0HB DL1R JN58 (x2)
155045  +2 1008  DL4ZF US0HB RR73
155100  -5 2658  US0HB DL1R JN58
155115  +4 1008  CQ US0HB KN69 (x2)
155330  +7 1008  US0HB F1ODM -05
155345 -10 1009  F1ODM US0HB R-25
155400  +1 1008  US0HB F1ODM RR73
155400  -3 1708  US0HB E77FN JN93
155415  -9 1009  F1ODM US0HB R-25
155430  +8 1008  US0HB F1ODM RR73
155445  -4 1009  F1ODM US0HB 73
155515 -10 1009  CQ US0HB KN69
155615 -10 1009  DK5FN US0HB R-11

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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