HAM SPEAK ORIGIN OF DX DX is an early telephone term for distant exchange. "This is correct. In the 1960s I worked in many telephone exchanges around the United Kingdom. On the old-fashioned switchboards with plugs and c - Telephone exchanges - Document - PDFSEARCH.IO

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	HAM SPEAK ORIGIN OF DX DX is an early telephone term for distant exchange. "This is correct. In the 1960s I worked in many telephone exchanges around the United Kingdom. On the old-fashioned switchboards with plugs and c Add to Reading List Document Date: 2012-01-07 10:28:55 Open Document File Size: 131,70 KB Share Result on Facebook

HAM SPEAK ORIGIN OF DX DX is an early telephone term for distant exchange. "This is correct. In the 1960s I worked in many telephone exchanges around the United Kingdom. On the old-fashioned switchboards with plugs and cAdd to Reading List