Effective last Friday, Cyren Call Communications officially terminated its advisory relationship with the Public Safety Spectrum Trust (PSST) in the FCC’s 700 MHz D-block proceeding, citing funding difficulties and the regulatory uncertainty that comes with a new administration and changing of the guard at the FCC. Cyren Call and PSST—the designated manager of the public safety portion of the nationwide hybrid commercial/public safety network that is to be formed pursuant to the 700 MHz D-block license – have been embroiled in controversy since the start of their collaboration 18 months ago. Although the 700 MHz auction conducted a year ago netted a record $19 billion in bids, the D-block went unsold as no commercial wireless entity emerged to post the FCC’s $1.3 billion reserve price for that spectrum. Reports that Frontline Wireless—the anticipated D-block winner – withdrew from the auction after Cyren Call demanded $50 million in annual lease fees from the commercial D-block winner prompted harsh criticism from Capitol Hill and an investigation by the FCC Inspector General Kent Nilsson. While concluding that the lease fee was one of several factors to discourage bidder participation in the D-block auction, Nilsson cleared Cyren Call of any wrongdoing. Meanwhile, efforts at the FCC to restructure its rules for a new D-block auction ground to a halt with the departure of former FCC Chairman Kevin Martin, and agency officials have provided no timetable as to when those efforts would be revived. Acknowledging that “there is no way of knowing when---or along what path—the process will move forward,” Cyren Call Chairman Morgan O’Brien explained, “it is realities and considerations like these that have led us to the decision we’ve announced today.” While agreeing that “significant unknowns suggest that we and Cyren Call now should end our formal advisory relationship,” PSST Chairman Harlin McEwen added: “I believe the PSST will endure and will continue to strive onward toward the ultimate goal – bringing broadband wireless communications capabilities to the public safety community.”