M0JRQ

Radio Society of Great BritainRSGB

Clubs

Pontefract

North Wakefield

Summits on the AirSOTA

G-QRP ClubG-QRP Club

FISTS CW ClubFISTS

Soldersmoke: The homebrewer's podcastSoldersmoke

Radio Amateur Old Timers AssociationRAOTA

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PROJECTS
Completed projects

 

This page shows photos of some completed projects, including the dip meter I made at the Pontefract radio club's Tuesday construction evenings.    
Battery conditioner Elektor
SDR
radio		 GDO    
Battery conditioner
This battery conditioner is a box containing four resistors and a fan.
It allows SLAs to be fully discharged and - rather conveniently, I thought - power the cooling fan as they do so 		SDR built by Chris Pearson, M0JRQ from an Elektor design
I was immediately taken by the design of this SDR in the May 2007 issue of Elektor.
With a PCB available from the Elektor shop, the only tricky bits were getting hold of the ICs and then soldering the two SMDs.
It works a treat - I've used both the G8JCF software and SDRadio by I2PHD 		Dip meter
The Pontefract and District Amateur Radio Society has a long history of great construction projects.
Early in 2007 I started attending the Tuesday evening construction group and my first project was this GDO - designed and prototyped by Colin, G0NQE, I made it alonside about ten others 		   
Battery conditioner Internal view of the SDR built by Chris Pearson, M0JRQ from an Elektor design Dip meter built by Chris Pearson at PDARS    
  Internal view of the SDR built by Chris Pearson, M0JRQ from an Elektor design Internal view of the dip meter built by Chris Pearson at PDARS    
  Internal view of the SDR built by Chris Pearson, M0JRQ from an Elektor design      
Back to the homebrew projects page Internal view of the SDR built by Chris Pearson, M0JRQ from an Elektor design