Yes Ron, a tongue in cheek reply, but not entirely. 73 Gary K4FMX
> -----Original Message----- > From: [email protected] [mailto:Repeater- > [EMAIL PROTECTED] On Behalf Of Ron Wright > Sent: Sunday, September 02, 2007 6:40 AM > To: [email protected] > Subject: Re: RE: RE: RE: RE: RE: RE: Re: Re: RE: [Repeater-Builder] Re: > Duplexers > > Gary, > > Now I know you are kidding, hi. > > 73, ron, n9ee/r > > > > From: Gary Schafer <[EMAIL PROTECTED]> > >Date: 2007/09/01 Sat PM 08:58:13 CDT > >To: [email protected] > >Subject: RE: RE: RE: RE: RE: RE: Re: Re: RE: [Repeater-Builder] Re: > Duplexers > > > > >How do you know it is not 75 ohms at DC? > >How long do you think it will take for the DC signal to reach the other > end > >of the coax if it is applied at one end? Will it be at the speed of > light? > > > >73 > >Gary K4FMX > > > >> -----Original Message----- > >> From: [email protected] [mailto:Repeater- > >> [EMAIL PROTECTED] On Behalf Of Ron Wright > >> Sent: Saturday, September 01, 2007 8:02 PM > >> To: [email protected] > >> Subject: Re: RE: RE: RE: RE: RE: Re: Re: RE: [Repeater-Builder] Re: > >> Duplexers > >> > >> Jeff, > >> > >> The question is way off base. No one said one cannot carry DC or any > >> other signal on coax. The question was what was the impedance of a > coax > >> at given frequencies. > >> > >> At DC I can guarantee you RG59 is not 75 Ohms unless you got enough to > get > >> enough R and this is totally another discussion. I would think you > would > >> agree one will not see RG59 being 75 Ohm at DC. The same can be said > at 1 > >> Hz or 2 Hz or 5 Hz...etc. There is a point at which it starts to > >> propergate and does look like 75 Ohms. I think you might understand > this. > >> > >> 73, ron, n9ee/r > >> > >> > >> > >> > >> >From: Jeff DePolo <[EMAIL PROTECTED]> > >> >Date: 2007/09/01 Sat PM 01:18:35 CDT > >> >To: [email protected] > >> >Subject: RE: RE: RE: RE: RE: Re: Re: RE: [Repeater-Builder] Re: > Duplexers > >> > >> > > >> >> I don't know where the confusion is...all coax and feedline > >> >> has a upper and lower freq limit. Might try to learn > >> >> something about this. > >> > > >> >If what you say is true, can you tell me, using sound engineering and > >> math, > >> >why you can carry DC on coax if it has a low-frequency cutoff? > >> > > >> > --- Jeff > >> > > >> > > >> > >> > >> Ron Wright, N9EE > >> 727-376-6575 > >> MICRO COMPUTER CONCEPTS > >> Owner 146.64 repeater Tampa Bay, FL > >> No tone, all are welcome. > >> > >> > >> > >> > >> > >> > >> > >> Yahoo! Groups Links > >> > >> > >> > > > > > > > Ron Wright, N9EE > 727-376-6575 > MICRO COMPUTER CONCEPTS > Owner 146.64 repeater Tampa Bay, FL > No tone, all are welcome. > > > > > > > > Yahoo! Groups Links > > >
