The station signal was to be heard from Vancouver , British Columbia , Vancouver , Washington .
The station signal could be heard from Vancouver , British Columbia to Vancouver , Washington .

Are these two sentences paraphrases of each other?
yes

Due to high prices and volatile capital costs , few deposits without subsidies can be exploited economically .
Due to volatile prices and high capital costs , few subsidies can be exploited economically without subsidies .

Are these two sentences paraphrases of each other?
no

He mainly produced portraits , and was repeatedly used by the Spanish , and also the Austrian , Habsburgs .
He repeatedly produced portraits and was mainly used by the Spanish and also Austrian Habsburgs .

Are these two sentences paraphrases of each other?
no

The SSSI covers an area of 190.3 hectares while the SAC has 168.3 hectares .
The SSSI has an area of 190.3 ha , while the SAC covers 168.3 hectares .

Are these two sentences paraphrases of each other?
yes