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Ultra-light Carbon-Fibre Masts: advantages and disadvantages

Posted by Richard Newstead on 13th Nov 2019

We have been asked several times to introduce a carbon-fibre mast to our product range. Carbon-fibre gives a much better strength to weight ratio than fibreglass. However I have always resisted as we … read more

FT-817 filters - how good are they?

8th May 2019

Using a noise source and a QA400 audio analyser we tested the filters in an FT-817.Stock Ceramic SSB filter: surprising poor skirt selectivity. Probably the result of insufficient isolation between th … read more