OH7TY — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Finland Most frequent locator attributed to this token: KP42

Receiver-side FT8 activity involving OH7TY, decoded by SO8OO in southeastern Poland. 49 FT8 messages attributed to this token as transmitter, on 80m, 60m, 40m, 10m, across 6 UTC dates in the available aggregate history. Observed between 2026-06-14 and 2026-09-19.

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 49 FT8 messages attributed to OH7TY as the transmitting token by decoded message structure across 6 UTC dates in the available aggregate history. The largest monitored-band total was 80 m (49%), followed by 60 m (39%) and 40 m (10%). Several six-hour UTC windows tied for the largest share (73%), so no unique busiest interval is claimed. Received S/N was mixed across SO8OO's weak, moderate and strong ranges; the estimated median was -12 dB.

Overview

49
Messages attributed
6
UTC dates decoded
12
Active 15-min windows
-12 dB
Estimated median S/N

Bands

80m · 24 60m · 19 40m · 5 10m · 1
First attributed message: 2026-06-14
Last attributed message: 2026-09-19 03:50 UTC

Observed FT8 message patterns

Attributed sample
49 messages
Active dates
6 UTC dates
Estimated median S/N
-12 dB
Estimated 10th-90th percentile
-21 to -2 dB
Recurring-pattern threshold
Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 20, moderate (-15 to -9 dB) 16, strong (≥ -8 dB) 13.

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 OH7TY 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 OH7TY

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
KP42 · 27 decoded messages
SO8OO receiver locator
KN09VW
Locator-centre separation
1,464 km (approx.)
Last such locator decoded
2026-09-19 03:50 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 UTCBandOH7TY S/NCounterpartCounterpart S/NMsgsCapture
09-19 03:47 60m -14 / - CT7ARQ - / - 3 Partial capture
09-19 03:43 80m -19 / - GW4TPG - / -3 4 ✓ Closing fragment
09-19 03:37 80m -16 / +1 DO3VE +3 / +5 5 ✓ Full exchange observed
09-19 03:36 80m -14 / - HI8JCD - / - 2 Partial capture
09-19 03:35 80m -12 / - F5LMJ - / -23 2 ✓ Closing fragment
09-19 03:33 80m -6 / - UB8CQC/P - / - 2 Partial capture
09-19 03:18 40m -16 / - EA8BS - / - 2 Partial capture
09-19 03:09 60m -21 / -6 4L7T -2 / -13 4 ✓ Full exchange observed
09-19 03:06 60m -18 / -8 F6ICX +4 / -2 6 ✓ Full exchange observed
09-19 03:03 60m -20 / - CT7ARQ - / - 2 Partial capture
09-17 20:36 40m - / -23 IU3TOO +1 / - 3 ✓ Closing fragment
09-17 20:33 40m - / -11 F5PBG -6 / - 3 ✓ Closing fragment
09-17 20:32 40m - / -12 PD0LBY -20 / - 3 ✓ Closing fragment
09-17 20:29 40m -16 / - ON5SE/QRP - / -23 2 Partial capture
09-14 19:35 80m -8 / -9 DL5JMN +8 / +4 5 ✓ Full exchange observed
09-14 19:25 80m -9 / -2 F4FQY 0 / -4 3 ✓ Full exchange observed
09-14 19:23 80m -10 / - R3DIK/M - / - 2 Partial capture
06-21 23:50 60m -10 / -5 DK5WL -9 / +1 5 ✓ Full exchange observed
06-21 23:49 60m -7 / -3 IQ9USG -9 / +6 3 Partial capture
06-21 23:44 80m +7 / +7 4L7T +8 / 0 4 ✓ Full exchange observed

Recent FT8 messages decoded at SO8OO

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

60m 
UTC    dB Audio  Message
030645 -17 1655  F6ICX OH7TY KP42
030700  -1  529  OH7TY F6ICX -08
030715 -17 1654  F6ICX OH7TY R-02
030730  +9  528  OH7TY F6ICX RR73
030745 -18 1655  F6ICX OH7TY 73
030930 -20 1655  4L7T OH7TY KP42
031000  -2  328  OH7TY 4L7T -06
031015 -22 1655  4L7T OH7TY R-13
031030  -3  328  OH7TY 4L7T RR73
031200 -16 1655  CT7ARQ OH7TY KP42
031330 -20 1655  DL5NON OH7TY RR73
034700 -17 2325  CT7ARQ OH7TY KP42 (x3)
035015 -14 2326  8R1TM OH7TY KP42
80m 
UTC    dB Audio  Message
033400  +7  591  OH7TY UB3ADO/P +10
033415  -2 2295  UB8CQC/P OH7TY R+24
033515 -12 2295  F5LMJ OH7TY -23 (x2)
033645 -15 2295  HI8JCD OH7TY KP42
033700  +4  805  OH7TY DO3VE JO52
033715 -12 2295  HI8JCD OH7TY KP42
033815 -16 2295  DO3VE OH7TY +05
033830  -3  805  OH7TY DO3VE R+01
033845 -17 2295  DO3VE OH7TY RR73
033900  +8  805  OH7TY DO3VE 73
034330 -18 2295  GW4TPG OH7TY KP42 (x4)
40m 
UTC    dB Audio  Message
202915 -12 1314  ON5SE/QRP OH7TY KP42
203030 -14  928  OH7TY CS5AIRA -09
203045 -19 1314  ON5SE/QRP OH7TY R-23
203230 -16 1533  OH7TY PD0LBY JO22 (x3)
203330  -7 1312  OH7TY F5PBG IN78
203400  -6 1313  OH7TY IU4PPL JN54
203430  -5 1313  OH7TY F5PBG R-11 (x2)
203600  -2 1544  OH7TY IU3TOO JN55 (x3)
031815 -21 1661  EA8BS OH7TY KP42 (x2)

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.

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