Bid4Spots has signed 200 internet radio stations within the first month of announcing its reverse auction to facilitate buying and selling advertising for independent online radio, reports MediaBuyerPlanner. The company's goal is to have 2,000 stations by the end of Q1 2007.

Bid4Spots, which also operates a reverse auction marketplace for terrestrial radio, is inviting internet broadcasters to sign up or view a demo on its site in anticipation of the first auction, which will take place Jan. 17, 2007. Auctions will continue each Wednesday thereafter.