OH7VZ — 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: Finland Most frequent locator attributed to this token: KP32

Receiver-side FT8 activity involving OH7VZ, decoded by SO8OO in southeastern Poland. 29 FT8 messages attributed to this token as transmitter, on 40m, across 5 UTC dates in the available aggregate history. Observed between 2026-10-21 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 29 FT8 messages attributed to OH7VZ as the transmitting token by decoded message structure across 5 UTC dates in the available aggregate history. The largest monitored-band total was 40 m (100%). Several six-hour UTC windows tied for the largest share (100%), so no unique busiest interval is claimed. Received S/N was mixed across SO8OO's weak, moderate and strong ranges; the estimated median was -14 dB.

Overview

Messages attributed

UTC dates decoded

Active 15-min windows

-14 dB

Estimated median S/N

Bands

40m · 29

First attributed message: 2026-10-21
Last attributed message: 2026-11-04 18:15 UTC

Observed FT8 message patterns

Attributed sample: 29 messages
Active dates: 5 UTC dates
Estimated median S/N: -14 dB
Estimated 10th-90th percentile: -20 to -10 dB
Recurring-pattern threshold: Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 10, moderate (-15 to -9 dB) 17, strong (≥ -8 dB) 2.

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 OH7VZ in decoded directed-looking exchanges:

DA1ST · Fed. Rep. of Germany DH1NGL · Fed. Rep. of Germany DK9CK · Fed. Rep. of Germany DL8NCE · Fed. Rep. of Germany IZ8VYU · Italy OE8PIT · Austria OS4K · Belgium UA4FKT · European Russia

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 OH7VZ

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: KP32 · 8 decoded messages
SO8OO receiver locator: KN09VW
Locator-centre separation: 1,432 km (approx.)
Last such locator decoded: 2026-11-04 18:15 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 UTC	Band	OH7VZ S/N	Counterpart	Counterpart S/N	Msgs	Capture
11-03 17:31	40m	-14 / -	OS4K	- / -20	2	✓ Closing fragment
11-03 16:50	40m	-16 / -	UA4FKT	-16 / -	4	✓ Closing observed
11-03 16:49	40m	- / -	DL1DEU	-8 / -	2	Partial capture
11-03 16:45	40m	-14 / -3	OE8PIT	+2 / +8	5	✓ Full exchange observed
11-03 16:45	40m	- / -	IK3SSW	+9 / -	3	Partial capture
10-28 18:12	40m	- / -15	IZ8VYU	-3 / -	3	✓ Closing fragment
10-28 17:54	40m	-14 / -	F4NRP	-17 / -11	13	Partial capture
10-28 17:53	40m	- / -	PA1RGX	-6 / -	4	Partial capture
10-28 17:43	40m	-10 / -	PA1RGX	-10 / -12	9	Partial capture
10-28 17:34	40m	- / -	F3CJ	-11 / -	3	Partial capture
10-28 17:31	40m	- / -	DK9CK	0 / -	5	✓ Closing fragment
10-26 14:22	40m	-20 / -18	DA1ST	-5 / 0	6	✓ Full exchange observed
10-26 14:22	40m	-19 / -8	DH1NGL	-12 / -5	7	✓ Full exchange observed
10-26 14:14	40m	- / -19	DL8NCE	-6 / -	4	✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

40m

UTC    dB Audio  Message
164730  +1 1899  OH7VZ OE8PIT 73
164930  -8 1900  OH7VZ DL1DEU JN59
164945 -20 1899  CQ OH7VZ KP32
165000  -7 1900  OH7VZ DL1DEU JN59
165015 -22 1899  UA4FKT OH7VZ +14 (x2)
165100 -16 1898  OH7VZ UA4FKT 73
165115 -15 1899  UA4FKT OH7VZ 73
165615 -18 1899  F5MKD OH7VZ RRR
172945 -15 1970  CQ OH7VZ KP32
173000 -14 1532  OH7VZ M0IEP IO91
173115 -14 1970  OS4K OH7VZ R-20 (x2)
173200 -23 1968  OH7VZ DK5EO JO31
181545 -12 1439  CQ OH7VZ KP32

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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