Thank you very much for the info! 73 James KI0KN
On Fri, Aug 6, 2021 at 8:18 AM Tim Duffy <k...@k3lr.com> wrote: > Hello James: > > Responding on behalf of DX Engineering. I do not see your email in the que. > > You can separate the antennas 1/4 wavelength for 160 and the operation will > also be OK on 80 meters. > > You need the larger spacing so that the NCC-2 will work on 160. > > If you have questions, please refer them directly to me. > > VY 73 > Tim K3LR > CEO DX Engineering > > -----Original Message----- > From: Topband [mailto:topband-bounces+k3lr=k3lr....@contesting.com] On > Behalf Of James Cizek > Sent: Friday, August 6, 2021 8:38 AM > To: topband@contesting.com > Subject: Topband: Question on active vertical spacing > > Hello all, > > It was a slow start for me to get on 160 Meters, but I finally was able to > make that happen and last season was my first full season on the band. A > lot of construction has happened in the nearby vicinity with new homes and > I've started to experience certain point noise sources at times. Earlier > this spring, I was totally unable to work a station because of the local > noise source sitting right on top. > > I usually use a SAL-30 for receiving and am very happy with it. Because of > this occasional noise source, I've opted to add an additional RX system > this year. I recently acquired a DXEngineering NCC-2 and the DXE-ARAV4-2P > active vertical antenna set in hopes of nulling out the local point source > when needed. > > In the manual for the NCC-2, they state that the RX antennas should be 1/4 > wave apart for optimum performance. I'd like to use this setup on both 80 > and 160, so I was wondering if it would be better to place them 1/4 wave at > 160 apart or 1/4 wave at 80meters apart. The instructions also state > reduced performance with too great or too little spacing, so I am curious > of opinions on optimal spacing for a compromise to use both bands. > > I wrote DXengineering tech support but they never responded, so thought I'd > try the mind-trust here :) > > Thanks for any input. > 73 > James > KI0KN > ps- I am only at 44 entities on 160M so I'll be as active as the band lets > me be this fall/winter! > _________________ > Searchable Archives: http://www.contesting.com/_topband - Topband > Reflector > > _________________ Searchable Archives: http://www.contesting.com/_topband - Topband Reflector
