Hello, Looking at the discussion, i've thought that would be interesting if someone who has an OATS which is operational put some photos of his open site, it would help the discussion. What do you think?
Muriel hmellb...@aol.com wrote: > > A1. Since concrete is partly conductive and varies with mositure content and > ambient conditions, the reflected path with vary substantially. The solution > is to place a screen mesh over the top of the concrete. > A2. The specified size is that of the elipse which is 2d by root3d. A > practical size is 20m by 17m rectangle. > A3. running coax on the top surface most likely will not affect the > measurements but for NSA measurements, to obtain maximum repeatability ferrite > cores are placed every 1m on the mast cable. It would be best to feed the > cables diametrically opposed from each other so as to minimize any effects. > A4. Theoretically the conrete curbs, the hedges and metal object can cause > additional unwanted reflections. Those may or may not be a problem. Metal > objects will have the greatest effect since most of the wave will be > reflected. Hedges will most likely act as absorbers at certain frequencies, > and the curb will cause reflections or absorbtion at certain microwave > frequencies. > Hans Mellberg > EMC Consultant > > --------- > This message is coming from the emc-pstc discussion list. > To cancel your subscription, send mail to majord...@ieee.org > with the single line: "unsubscribe emc-pstc" (without the > quotes). For help, send mail to ed.pr...@cubic.com, > j...@gwmail.monarch.com, ri...@sdd.hp.com, or > roger.volgst...@compaq.com (the list administrators). -- ================================================== Muriel Bittencourt de Liz INEP - Instituto de Eletronica de Potencia Universidade Federal de Santa Catarina Caixa Postal - 5119 88.040-970 - Florianopolis - SC - BRASIL Phone: +55.48.331.9204 - Fax: +55.48.234.5422 e-mail: mur...@inep.ufsc.br Homepage: http://www.inep.ufsc.br ================================================== --------- This message is coming from the emc-pstc discussion list. To cancel your subscription, send mail to majord...@ieee.org with the single line: "unsubscribe emc-pstc" (without the quotes). For help, send mail to ed.pr...@cubic.com, j...@gwmail.monarch.com, ri...@sdd.hp.com, or roger.volgst...@compaq.com (the list administrators).
