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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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