WSPR 10m (28.00 - 29.70 MHz) band activity data recorded for a 4 x 24 hour periods on the 19 ~ 23/11/2017

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

WSPR Frequency: Dial 28.1246 MHz USB (occupied bandwidth 28.1260 - 28.1262 MHz)

Grid location: OF88II

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

Transmission Power 33 dBm (2Watts)

SSN (Sun Spot Number): ?

Equipment: TS-930 at 5W, Radio computer interface

Antenna:   Doublet Antenna:       Multi-band dipole with T-Match tuner and 4-1 Current Balun   

                40m Sloper Antenna:  Sloper Antenna  -  40 & 15m Bands with T-Match tuner    

                10m Sloper Antenna:  10m Sloper with T-Match tuner  

This exercise was to compare the Multi-band Doublet Antenna, 40m Sloper Antenna, and the 10m Sloper Antenna for operations on the 10m amateur band.

Conclusion is that the 40m Sloper Antenna, and the 10m Sloper Antenna have the best performance.

WSPR 10m band activity data recorded for 4 x 24 hour period on the 19-23/09/2017 showing SNR against UTC time, Vertical axis = dB below the noise floor. 

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

Antenna:   Doublet Antenna:       Multi-band dipole with T-Match tuner and 4-1 Current Balun   

                40m Sloper Antenna:  Sloper Antenna  -  40 & 15m Bands with T-Match tuner    

                10m Sloper Antenna:  10m Sloper  with T-Match tuner     

WSPR 10m band activity data recorded for 4 x 24 hour period on the 19-23/09/2017 showing showing distance in km against UTC time.

Vertical axis = km

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

Antenna:   Doublet Antenna:       Multi-band dipole with T-Match tuner and 4-1 Current Balun   

                40m Sloper Antenna:  Sloper Antenna  -  40 & 15m Bands with T-Match tuner    

                10m Sloper Antenna:  10m Sloper  with T-Match tuner    

VK4MIL – QLD AUSTRALIA - RECEIVED BY VK6YSF 

Distance:  3517km

Grid location: QG62lj

dBm: 40

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

Antenna:   Doublet Antenna:       Multi-band dipole with T-Match tuner and 4-1 Current Balun   

                40m Sloper Antenna:  Sloper Antenna  -  40 & 15m Bands with T-Match tuner    

                10m Sloper Antenna:  10m Sloper  with T-Match tuner    

VK5ST – SA AUSTRALIA - RECEIVED BY VK6YSF 

Distance:  2101km

Grid location: PF95ml

dBm: 33

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

Antenna:   Doublet Antenna:       Multi-band dipole with T-Match tuner and 4-1 Current Balun   

                40m Sloper Antenna:  Sloper Antenna  -  40 & 15m Bands with T-Match tuner    

                10m Sloper Antenna:  10m Sloper  with T-Match tuner    

VK6PK – WESTERN AUSTRALIA - RECEIVED BY VK6YSF 

Distance:  37km

Grid location: OF88ee

dBm: 33

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

Antenna:   Doublet Antenna:       Multi-band dipole with T-Match tuner and 4-1 Current Balun   

                40m Sloper Antenna:  Sloper Antenna  -  40 & 15m Bands with T-Match tuner    

                10m Sloper Antenna:  10m Sloper  with T-Match tuner    

VK8AW – WESTERN AUSTRALIA - RECEIVED BY VK6YSF 

Distance:  2590km

Grid location: PH57lo

dBm: 40

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

Antenna:   Doublet Antenna:       Multi-band dipole with T-Match tuner and 4-1 Current Balun   

                40m Sloper Antenna:  Sloper Antenna  -  40 & 15m Bands with T-Match tuner    

                10m Sloper Antenna:  10m Sloper  with T-Match tuner    

VK6YSF WSPR Signal received by: VK2XN  

NSW AUSTRALIA

Distance:  3170km

Grid location: QF59ar

dBm: 33

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

Antenna:   Doublet Antenna:       Multi-band dipole with T-Match tuner and 4-1 Current Balun   

                40m Sloper Antenna:  Sloper Antenna  -  40 & 15m Bands with T-Match tuner    

                10m Sloper Antenna:  10m Sloper  with T-Match tuner    

VK6YSF WSPR Signal received by: VK2ZMT  

NSW AUSTRALIA

Distance:  3277km

Grid location: QF57ua

dBm: 33

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

Antenna:   Doublet Antenna:       Multi-band dipole with T-Match tuner and 4-1 Current Balun   

                40m Sloper Antenna:  Sloper Antenna  -  40 & 15m Bands with T-Match tuner    

                10m Sloper Antenna:  10m Sloper  with T-Match tuner    

VK6YSF WSPR Signal received by: VK3KCX

VICTORIA AUSTRALIA

Distance:  2697km

Grid location: QF22qd

dBm: 33

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

Antenna:   Doublet Antenna:       Multi-band dipole with T-Match tuner and 4-1 Current Balun   

                40m Sloper Antenna:  Sloper Antenna  -  40 & 15m Bands with T-Match tuner    

                10m Sloper Antenna:  10m Sloper  with T-Match tuner    

VK6YSF WSPR Signal received by: VK3MEG

VICTORIA AUSTRALIA

Distance:  2622km

Grid location: QF22gg

dBm: 37

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

Antenna:   Doublet Antenna:       Multi-band dipole with T-Match tuner and 4-1 Current Balun   

                40m Sloper Antenna:  Sloper Antenna  -  40 & 15m Bands with T-Match tuner    

                10m Sloper Antenna:  10m Sloper  with T-Match tuner    

VK6YSF WSPR Signal received by: VK5MR

SA AUSTRALIA

Distance:  1921km

Grid location: PF89kk

dBm: 33

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

Antenna:   Doublet Antenna:       Multi-band dipole with T-Match tuner and 4-1 Current Balun   

                40m Sloper Antenna:  Sloper Antenna  -  40 & 15m Bands with T-Match tuner    

                10m Sloper Antenna:  10m Sloper  with T-Match tuner    

VK6YSF WSPR Signal received by: VK5ST

SA AUSTRALIA

Distance:  2101 km

Grid location: PF95ml

dBm: 33

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

Antenna:   Doublet Antenna:       Multi-band dipole with T-Match tuner and 4-1 Current Balun   

                40m Sloper Antenna:  Sloper Antenna  -  40 & 15m Bands with T-Match tuner    

                10m Sloper Antenna:  10m Sloper  with T-Match tuner    

VK6YSF WSPR Signal received by: VK6PK

WESTERN AUSTRALIA

Distance:  37km

Grid location: OF88ee

dBm: 33

WSPR World map of VK6YSF 10m band contacts for 23/11/2017

Beautiful 10m band spectrum screen shot with natural atmospheric effects, man-made noise lines, and with VK3MEG and VK3KCX upper right.

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Page last revised 05 May, 2025