What does the KDKA stand for?

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Tags

1. #traces
2. #initially
3. #described
4. #broadcast
5. #broadcasting
6. #evening
7. #temporarily
8. #using
9. #beginning
10. #election
11. #results
12. #amateur
13. #november
14. #station
15. #assigned
16. #world
17. #harding
18. #special
19. #itself
20. #presidential
21. #pioneer