Try measuring a shorted coax.
On Fri, Feb 5, 2010 at 7:20 PM, Kris Kirby <[email protected]> wrote: > > Hi all, > > I've been trying to figure out how, using relatively simple equipment, > to determine proper cable length for one-quarter wavelength cables of a > given type of cable (i.e.: RG-400). One of my thoughts was to measure > the open circuit resistance using an older MFJ-259, however this results > in strangely low impedances that I believe hamper proper readings. > > Basically, I'm trying to figure out if I need to cut the cable shorter > or if it's too short, and right now nothing I have gives me any clue as > to exactly where it is, short of transmitting a few watts and watching > the SWR as I change frequency. > > > > -- > Kris Kirby, KE4AHR > Disinformation Analyst > > > ------------------------------------ > > > > Yahoo! Groups Links > > > >
