Nope, those require that you are right up to them. It's a moot point anyway. This was years ago and the guy moved away and then let his ham license expire.
Chuck ----- Original Message ----- From: "Mark Holman" <[EMAIL PROTECTED]> To: <[email protected]> Sent: Monday, April 18, 2005 8:39 PM Subject: Re: [Repeater-Builder] Microphone Gain and Deviation > > I would attempt to say a noise cancelling mic. something like a SHURE > Comm. > Mic. or something like they used in Avaition the center slot style forget > those ugly cheap 11M. mikes ( sledge hammer anyone ? ) may help the road > noise. > > Mark Holman > [EMAIL PROTECTED] > http://www.ab8ru.org > > ----- Original Message ----- > From: "Chuck Kelsey" <[EMAIL PROTECTED]> > To: <[email protected]> > Sent: Thursday, April 14, 2005 5:50 PM > Subject: Re: [Repeater-Builder] Microphone Gain and Deviation > > >> >> I had a friend who refused to get any closer to the microphone than 12 ". >> He >> was real difficult to understand due to the low audio level that >> resulted. >> We turned up the gain in his mobile, but it was still a bit of a problem >> since it then increased the road noise. >> >> Chuck >> WB2EDV >> >> >> ----- Original Message ----- >> From: Steve Bosshard (NU5D) >> To: [email protected] >> Sent: Thursday, April 14, 2005 5:43 PM >> Subject: [Repeater-Builder] Microphone Gain and Deviation >> >> >> >> Best answer I have found for soft spoken folks is the little mic preamp >> board used in some of the old GE Phoenix and MVS radios. Little single >> stage amp that operated from bias on the mic line. >> I usually set the deviation limit for voice at 4.0 Khz. And allow a >> little >> for tone/dcg. >> NEVER EVER USE THE TRANSMITTER DEVIATION CONTROL TO MAKE UP FOR LACKING >> MIC >> GAIN. A soft spoken person may need a mic preamp, or a more sensitive >> microphone. Beware of excessive mic gain competing with ctcss and >> causing >> drop or talk down. A small swamping resistor might be in order. Wish >> Helper still made the modulation density meter. >> SOP is to set a tone gen at around 50 mv or enough to fully modulate the >> transmitter, and then set the deviation limit to around +/- 4.0 Khz @ >> 1000 >> Hz. Tone. Using the IDC to boost mic gain will lead to overmodulation >> and >> clipping out of the pass band of the receiver, not to mention the joy you >> will bring to your adjacent channel neighbors. >> 2 cents and 30 years, >> Steve >> >> >> >> >> >> >> >> >> Yahoo! Groups Links >> >> >> >> >> >> >> >> > > > > > > > Yahoo! Groups Links > > > > > > > > Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/Repeater-Builder/ <*> To unsubscribe from this group, send an email to: [EMAIL PROTECTED] <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/

