WSPR 2m (144.00 - 148.00 MHz) band activity data recorded for a 2 x 24 hour periods on the 23/03/2018 and 04/04/2018

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Data from the WSPR web site relating to monitoring and transmission from VK6YSF Northam Western Australia.

WSPR Frequency: Dial 144.4890 MHz USB (occupied bandwidth 144.4904 - 144.4906 MHz)

Grid location: OF88II

Local Time = +8:00 hours (0:00 = 8:00AM)

Transmission Power 30 dBm (1Watts)

SSN (Sun Spot Number): ?

Equipment: FT-736R at 1W, Radio computer interface

Antenna:  146MHz Ground Plane

WSPR data has been graphed using Excel. Horizontal axis = UTC Time, Vertical axis = dB below the noise floor.  

Data recorded for a 2 x 24 hour periods on the 23/03/2018 and 04/04/2018

VK6CPU – PERTH, WEST AUSTRALIA - RECEIVED BY VK6YSF 

Distance:  85km

Grid location: OF78wb

dBm: 40

WSPR data has been graphed using Excel. Horizontal axis = UTC Time, Vertical axis = dB below the noise floor.  

Data recorded for a 2 x 24 hour periods on the 23/03/2018 and 04/04/2018

VK6YSF WSPR Signal received by: VK6CPU  

PERTH, WEST AUSTRALIA

Distance:  85km

Grid location: OF78wb

dBm: 30

Radiomobile profile model of the path between VK6CPU and VK6YSF

Path map between VK6CPU and VK6YSF

Interesting screen shot of the split signal merging over a 2 minute period. Note: VK6CPU is near Perth international airport and the merging signal may be due to aircraft reflection and Doppler effect due to changing motion and or direction.

Hepburn Tropo Index report shows no significant inversion conditions over the operational path.

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Page last revised 05 May, 2025