In a large saucepan, cook turkey bacon and onion, stirring occasionally, until bacon is crisp and onion is tender
Stir clams and their juice, turnips, celery and broth into bacon and onion. Heat to boiling; reduce heat; cover and simmer about 10 minutes, or until turnips are tender.
Add diced tomatoes to saucepan along with remaining ingredients. Heat to boiling, stirring occasionally, then serve.