TDXS

AcronymDefinition
TDXSTexas DX (Distance) Society (amateur radio group; Houston, TX)
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References in periodicals archive ?
She has a TD on three of her Goldens and a TDX on two.
Telfer's experience is that a TD test runs $50 to $60, while a TDX or VST can easily top $100.
It took place during my second attempt to put a TDX on my youngest Golden Retriever, Ivy.
Polly ran her track beautifully, earning her TDX. When it came time to run Ivy, I was still in "Polly mode," chattering away, and I made a series of mistakes.
"Utilizing the TDX is a rapid and cost-efficient way to achieve the surveillance coverage now required."
"The Air Force has used our TDX system for many years to monitor the U.S.