http://www.webdirectorybit.com/WebDirectoryBit.com - Human edited web directory offering paid and free listings. Search results for: Reference http://us.flukecal.com/products/rf-calibration/rf-reference-sources/9640a-seriesFluke Calibration's RF reference sources are designed mainly for RF calibration including spectrum analyzer, network analyzer & attenuator calibration.Fri, 16 Nov 2012 20:40:48 GMT