It might load OK, but who knows what kind of pattern you might end up with.
Chuck WB2EDV ----- Original Message ----- From: "n3dab" <[email protected]> To: <[email protected]> Sent: Wednesday, August 26, 2009 7:08 PM Subject: [Repeater-Builder] Re: 1.2 GHz Base antennas > OK. Thanks anyway. Just thought there might be some experimentors out > there in RF land. Do you think a 420-430 antenna work on the 3rd > hanmonic, similar to using a 2 mtr. antenna with a 440 transmitter, as I > have seen mentioned here on occaision ???? There isn't a lot out there in > base/rptr. antennas in the Amateur or commercial market for 1.2 GHz. > unless it is special order. > > > > --- In [email protected], "Chuck Kelsey" <wb2...@...> > wrote: >> >> Sorry, I am of no help. I've never seen a folded dipole array for that >> band. >> Not sure if anyone ever made one. My article was cloning a Signals brand >> antenna with lengths changed to cover the ham band. >> >> Chuck >> WB2EDV >> >> >> >> ----- Original Message ----- >> From: "n3dab" <rb_n3...@...> >> To: <[email protected]> >> Sent: Wednesday, August 26, 2009 2:17 PM >> Subject: [Repeater-Builder] Re: 1.2 GHz Base antennas >> >> >> > Mark - To keep from repeating my self i'll refer you to my response to >> > John's reply. I appreciate your reply but your references were for >> > Yagi's >> > and colinear antennas and not applicable to what i had in mind of >> > building, though the colinear antenna may be a fallback. If Chuck >> > Kelsey >> > is amongst the readers of this post maybe he has some additional info >> > on >> > the 1.2 GHz dimensions i'm looking for. Thanks again for your input. >> > >> > --- In [email protected], "Mark" <n9wys@> wrote: >> >> >> >> Doug, >> >> >> >> Check out the articles on the companion website: >> >> http://www.repeater-builder.com/antenna/pdf/wr9aea-antenna-n9sn-hr09-79.pdf >> >> http://www.repeater-builder.com/antenna/wa6svt.html >> >> >> >> and the master page: >> >> http://www.repeater-builder.com/antenna/ant-sys-index.html#antennas >> >> >> >> A real treasure trove of information! >> >> >> >> 73 de Mark - N9WYS >> >> >> >> -----Original Message----- >> >> From: [email protected] >> >> [mailto:[email protected]] On Behalf Of n3dab >> >> Sent: Wednesday, August 26, 2009 11:14 AM >> >> To: [email protected] >> >> Subject: [Repeater-Builder] 1.2 GHz Base antennas >> >> >> >> I'm looking for any information and/or construction details for a >> >> hi-gain >> >> folded dipole omni-directional antenna in the 1.2 GHz Amateur band >> >> (similar >> >> to the VHF design shown in the ARRL Handbook or the DB products line) >> >> for >> >> use as a base or repeater antenna. I would like to build the folded >> >> dipole >> >> type, but am not to familiar with the way to compute the dipole >> >> dimensions, >> >> stand off from the mast and vertical spacing of the dipole loops. If >> >> someone >> >> has already built one successfully, I would appreciate them contacting >> >> me >> >> of >> >> list at " de underscore n3dab @ tds dot net "(no spaces) if they are >> >> willing >> >> to share their knowledge. >> >> >> >> >> >> >> >> >> >> ------------------------------------ >> >> >> >> >> >> >> >> Yahoo! Groups Links >> >> >> >> >> >> >> >> No virus found in this incoming message. >> >> Checked by AVG - www.avg.com >> >> Version: 8.5.409 / Virus Database: 270.13.67/2326 - Release Date: >> >> 08/25/09 >> >> 18:07:00 >> >> >> > >> > >> > >> > >> > ------------------------------------ >> > >> > >> > >> > Yahoo! Groups Links >> > >> > >> > >> > > > > > ------------------------------------ > > > > Yahoo! Groups Links > > >
