Maybe this is ancient history, but in the 70s the VDE in Offenbach had their ground plane under asphalt. As NSA measurement techniques came into play it was found to be pretty terrible.
Brent DeWitt CKC Laboratories Redmond, WA > -----Original Message----- > From: [email protected] > [mailto:[email protected]]On Behalf Of Cortland Richmond > Sent: Tuesday, March 15, 2005 11:06 AM > To: ieee pstc list > Subject: Re: OATS Ground Plane Material > > > [email protected] asked > > >> Has anyone attempted to imbed an OATS ground screen in asphalt? A new > parking lot is going in near our lab and I have a chance to install an > OATS. The stack-up will be gravel with 3" base asphalt and a 1" asphalt > ...<< > > Keith, > > At one place I worked, we installed a galvanized hardware-cloth ground > plane over asphalt, and covered it with a liquid acrylic. > However, when the > hardware cloth strips were soldered together the ground plane bowed and > rippled, so that instead of requiring one application of acrylic, > it needed > five. This did not prevent us from meeting the site attenuation > requirements. > > > Cortland Richmond > > ---------------------------------------------------------------- > This message is from the IEEE Product Safety Engineering Society > emc-pstc discussion list. Website: http://www.ieee-pses.org/ > > To post a message to the list, send your e-mail to [email protected] > > Instructions: http://listserv.ieee.org/listserv/request/user-guide.html > > List rules: http://www.ieee-pses.org/listrules.html > > For help, send mail to the list administrators: > > Scott Douglas [email protected] > Mike Cantwell [email protected] > > For policy questions, send mail to: > > Richard Nute: [email protected] > Jim Bacher: [email protected] > > All emc-pstc postings are archived and searchable on the web at: > > http://www.ieeecommunities.org/emc-pstc This message is from the IEEE Product Safety Engineering Society emc-pstc discussion list. Website: http://www.ieee-pses.org/ To post a message to the list, send your e-mail to [email protected] Instructions: http://listserv.ieee.org/listserv/request/user-guide.html List rules: http://www.ieee-pses.org/listrules.html For help, send mail to the list administrators: Scott Douglas [email protected] Mike Cantwell [email protected] For policy questions, send mail to: Richard Nute: [email protected] Jim Bacher: [email protected] All emc-pstc postings are archived and searchable on the web at: http://www.ieeecommunities.org/emc-pstc
