BH4GUO — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: China Most frequent locator attributed to this token: PM01

Receiver-side FT8 activity involving BH4GUO, decoded by SO8OO in southeastern Poland. 84 FT8 messages attributed to this token as transmitter, on 20m, across 5 UTC dates in the available aggregate history. Observed between 2026-06-06 and 2026-06-19.

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 84 FT8 messages attributed to BH4GUO as the transmitting token by decoded message structure across 5 UTC dates in the available aggregate history. The largest monitored-band total was 20 m (100%). Most decodes (86%) fell within the six-hour window 16:00-22:00 UTC. Received S/N was mixed across SO8OO's weak, moderate and strong ranges; the estimated median was -13 dB.

Overview

84
Messages attributed
5
UTC dates decoded
32
Active 15-min windows
-13 dB
Estimated median S/N

Bands

20m · 84
First attributed message: 2026-06-06
Last attributed message: 2026-06-19 20:48 UTC

Observed FT8 message patterns

Attributed sample
84 messages
Active dates
5 UTC dates
Estimated median S/N
-13 dB
Estimated 10th-90th percentile
-17 to -5 dB
Recurring-pattern threshold
Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 21, moderate (-15 to -9 dB) 42, strong (≥ -8 dB) 21.

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 BH4GUO in decoded directed-looking exchanges:

Most frequent locator attributed to BH4GUO

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
PM01 · 36 decoded messages
SO8OO receiver locator
KN09VW
Locator-centre separation
7,986 km (approx.)
Last such locator decoded
2026-06-08 20:43 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 UTCBandBH4GUO S/NCounterpartCounterpart S/NMsgsCapture
08-24 14:36 20m - / -16 RC5Z -2 / - 3 ✓ Closing fragment
08-24 14:28 20m - / -16 ON4AOI 0 / - 3 ✓ Closing fragment
08-13 17:59 20m - / -15 R4MA -8 / - 4 ✓ Closing fragment
07-31 22:01 20m - / -1 PY2DV -6 / - 2 Partial capture
07-31 21:59 20m - / -12 A71UN -10 / - 2 Partial capture
07-31 21:46 20m - / -16 A71UN -11 / - 4 Partial capture
07-31 21:17 20m - / -6 EC5K +5 / - 3 ✓ Closing fragment
07-31 20:45 20m - / -5 TA3GO -4 / - 2 ✓ Closing fragment
07-31 20:23 20m - / -17 CT7AUT -4 / - 4 Partial capture
07-31 20:03 20m - / -9 PA1GLD -12 / - 2 ✓ Closing fragment
07-31 19:56 20m - / -16 R6TA -4 / - 2 Partial capture
07-31 19:55 20m - / -10 F4FEP -2 / - 3 Partial capture
07-31 19:47 20m - / -10 SV1CNS -7 / - 3 ✓ Closing fragment
07-31 19:20 20m - / -17 R3UAX +5 / - 2 Partial capture
07-31 19:13 20m - / -18 YO9CX -18 / - 3 ✓ Closing fragment
07-31 19:11 20m - / -11 RW6MAO +3 / - 2 Partial capture
07-31 19:04 20m - / -10 UR3LM +7 / - 3 ✓ Closing fragment
07-31 18:48 20m - / -11 SV1DKR -4 / - 4 ✓ Closing fragment
07-31 18:39 20m - / -12 SV1DKR 0 / - 4 Partial capture
07-31 17:57 20m - / -9 SV9/PD9VOG +7 / - 3 Partial capture
07-31 17:52 20m - / -13 EW1MN -4 / - 4 ✓ Closing fragment
07-31 17:43 20m - / -16 RN1ON +4 / - 2 ✓ Closing fragment
07-31 17:41 20m - / -8 EW1MN -7 / - 3 Partial capture
07-31 17:41 20m - / 0 CT1ISH -2 / - 2 Partial capture
07-31 17:21 20m - / -14 UA3QNA +4 / - 2 ✓ Closing fragment
07-31 16:48 20m - / -6 ER3KAZ +6 / - 3 ✓ Closing fragment
07-31 16:03 20m - / -9 R6YG +2 / - 4 ✓ Closing fragment
07-30 23:03 20m - / -18 A71UN -16 / - 3 Partial capture
07-30 22:37 20m - / -18 A71UN -11 / - 6 Partial capture
07-30 22:02 20m - / -11 EA5OM -6 / - 2 ✓ Closing fragment
07-30 21:49 20m - / -19 CR7BRV +4 / - 7 ✓ Closing fragment
07-30 21:36 20m - / - CR7BRV -5 / - 3 Partial capture
07-30 21:09 20m - / -8 EA2A +10 / - 2 ✓ Closing fragment
07-30 21:05 20m - / -13 R7CA +14 / - 2 ✓ Closing fragment
07-30 21:00 20m - / -12 IZ2EID -11 / - 6 Partial capture
07-30 20:40 20m - / -8 F/HB9GVX 0 / - 4 Partial capture
07-30 19:27 20m - / -11 RX6FN -5 / - 3 ✓ Closing fragment
07-30 19:07 20m - / -12 PA7MM +11 / - 2 ✓ Closing fragment
07-30 19:00 20m - / - PD1ADA -16 / - 3 Partial capture
07-30 18:28 20m - / -9 RA3TSK 0 / - 3 Partial capture
07-30 18:22 20m - / -9 RA3TSK -2 / - 5 Partial capture
07-30 18:04 20m - / - EA5GDY -13 / - 2 Partial capture
07-30 17:47 20m - / -12 RC6OU -12 / - 2 Partial capture
07-30 17:44 20m - / -11 UN3P -20 / - 2 ✓ Closing fragment
07-30 17:43 20m - / -12 RC6OU -6 / - 2 Partial capture
07-30 17:43 20m - / -11 9A6NTK +13 / - 2 ✓ Closing fragment
07-30 16:01 20m - / -12 IW4DV +2 / - 2 ✓ Closing fragment
07-30 15:41 20m - / -15 RU4SS -19 / - 2 ✓ Closing fragment
07-30 14:57 20m - / -9 4L1AX -18 / - 2 ✓ Closing fragment
07-29 19:40 20m - / -14 LZ2HN -9 / - 3 ✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

20m 
UTC    dB Audio  Message
214830  -9 2130  BH4GUO A71UN R-10 (x3)
220130  -5 3018  BH4GUO PY2DV R-01 (x2)
175915 -11 2198  BH4GUO R4MA R-15 (x4)
142845  -2  692  BH4GUO ON4AOI R-16 (x3)
143615  -4 2388  BH4GUO RC5Z R-16 (x3)
40m 
UTC    dB Audio  Message
212800 -20 2070  BH4GUO UB6OCP R-19 (x3)
212930  +2 2609  BH4GUO RQ6Z R-14
214045 -10  893  BH4GUO YO7BPC KN24 (x11)

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