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     Contact Details

     Peter Miles
     Northam, Western Australia
     QRZ Page: VK6YSF

 

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REFERENCES

Useful reference material and links related to operational, projects and construction activities.


 

FREE SPACE PATH ATTENUATION

Decibel free space attenuation calculation for line of a site signal path.

 

dBm TO WATTS CONVERSION

Conversion between dBm and Watts

   

FERRITE CORE POWER RATINGS

Recommended core types for various frequency bands and power levels.

 

GALVANIC TABLE

Compatibility of dissimilar metals may be predicted by consideration of their "Anodic Index".

 

INDUCTOR DESIGN - AIR COIL DESIGN

Air coil single layer close wound inductor design.

 

INDUCTOR DESIGN - TOROIDAL FERRITE POWDER CORE

Calculation to determine the number of turns required for a range of ferrite core toroids to achieve a particular inductance value.

 

INDUCTOR DESIGN - TOROIDAL IRON POWDER CORE

Calculation to determine the number of turns required for a range of powdered iron core toroids to achieve a particular inductance value.

 

ITU REGIONS

International Telecommunication Union regions map.

 

MDS (MINIMUM DISCERNIBLE SIGNAL) MEASUREMENT

MDS receiver sensitivity measurement technique.  

 

S METER

S Meter (signal strength meter) unit table.

 

SSB TWO TONE TEST PROCEDURE

SSB two tone test to determine modulation linearity

  

WIRE GAUGE TABLE

American wire gauge (AWG) metric comparative table.

 

WIRE SPLICE - INLINE

Wire splicing for inline joining of aerial wire.

 

WIRE SPLICE TERMINATION

Wire splicing for terminating an antenna aerial wire or guy wire to a strain insulator or thimble.

 

WIRE SPLICE TERMINATION & TAIL

Wire splicing for terminating an antenna aerial wire to a strain insulator with a tail for connecting to the feed line.

 

WSPRnet DATA CHARTING

Step by step guide for exporting WSPRnet data to Microsoft Excel for charting. 

 

uV to dBm CONVERSION

Conversion between uV and dBm.

 

 

 

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Page last revised 09 December, 2024

 

 

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   Notice Board

VK6YSF JS8Call and Olivia 8/250 operations.

Current activity is generally, however not restricted to operations with JS8Call and Olivia 8/250 on the 20m and 40m band.

Proposed band and mode activity is often communicated on HamSpots: https://hamspots.net/js8/ or my profile on 

X: https://x.com/vk6ysf97230 .

Feel free to contact me to discuss or arrange a schedule for a contact.

 

VK6MJM LF (136 kHz) and MF (474 kHz) Beacon

VK6MJM is a  LF/MF station located in Manjimup, Western Australia.

Mode: Mode: FST4W 300 (Similar to WSPR)

Station details were presented by Peter Hall (VK6HP) at PerthTech 2024.Presentation PDF: Peter Hall VK6HP at PerthTech

QRZ Page: VK6MJM on QRZ.com

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

All content may be used for unlimited distribution with full credits.

Amateur Radio Station VK6YSF - Promoting amateur radio communication and experimentation.