Yes. It certainly could be that they were looking for a suitable wavelength for the purpose. As memory serves me, this is the stated reason they chose 449 MHz for these wind shear detection radars.
Steve, AA5SG ----- Original Message ----- From: "Rogers, Ron" <[EMAIL PROTECTED]> To: <[email protected]> Sent: Thursday, April 08, 2004 7:54 AM Subject: RE: [Repeater-Builder] Re: Severe Weather vs. Repeater Performance > Could be a reason here that Wind Shear Radar (surface to altitude) operates > in the 400-500 Mhz region. NOAA and the FAA (near airports) have been > deploying these systems across the country for some time. > > Ron Rogers > -WB8ERB- > ----- Original Message ----- From: "Steve Grantham" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Wednesday, April 07, 2004 11:05 PM Subject: Re: [Repeater-Builder] Severe Weather vs. Repeater Performance > Yes.. ..makes sense doesn't it? Remember those airport wind profiler > radars on 449 MHz? They use a lot of power to "bounce" signals off the wind > currents to indicate wind shear hazards to low flying aircraft.. ..makes > sense that you would have intermittent and variable signal paths on the > 70-cm band on windy days, and possibly wind induced multi-path too! > > 73, > Steve, AA5SG > > ----- Original Message ----- > From: "Frank or Barb" <[EMAIL PROTECTED]> > To: <[email protected]> > Sent: Wednesday, April 07, 2004 9:13 PM > Subject: Re: [Repeater-Builder] Severe Weather vs. Repeater Performance > > > <snip> > > > However the 440 repeaters signals seem to be affected by the wind. You > > can watch the signal levels going up and down on your s-meter. > > 73 > > N3FLR - Frank > > > > <snip> > > > 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/
