TY - RPRT TI - Propagation and detection of radio signals before, during, and after the implosion of a large sports stadium (Veterans' Stadium in Philadelphia AU - Camell, D G AU - Canales, Seturnino AU - Koepke, Galen H AU - Remley, Kate A AU - Schima, Susan A AU - Williams, Dylan Forrest AU - Holloway, Christopher L PY - 2005 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NBS TN 1541 DO - 10.6028/NIST.TN.1541 ER -