[CQ-Contest] FW: Multi 2 locking device?

[Pavel]

Hi to everyone,
 
I just found this one year old thread where I can see many 
 useful links including my old links which are not existed anymore.
 
I moved to https://va6am.com with all my projects, if anyone interested.

73,
 
Pavel
VA6AM

> 
> 1) Two LP on different bands with different antennas - use 
> http://microham.com/contents/en-us/d75.html or 
> http://quad.ru/production/switchSO2R.php The latter has better port 
> isolation. WX0B six pack has much poorer port isolation then 
> the above 
> mentioned two switches). For home brew switch project try here 
> http://www.sj2w.se/contest/?page_id=1547  and here 
> http://kk1l.com/kk1l_2x6switch/
> 
> 2) Two LP on different bands using the same multiband antenna 
> - in addition 
> to the abobe switch you will need triplexer and band pass  
> filters. The best
> 
> combo one is by VA6AM (ex UN7LG) 
> http://un7lg.shawwebspace.ca/blog/post/triplexer_with_bpfs_combo_unit/
> There are also W2NQN filters (good), UA4CC filters 
> http://quad.ru/production/bpf.php (very good), RA6LBS triplexer 
> http://quad.ru/production/bpf.php, There are also INRAD and DUNESTAR 
> triplexers but VA6AM seems to be the best (see here 
> http://un7lg.shawwebspace.ca/blog/post/high_quality_200_watts_
hf_triple)
> VA6AM has got all the info for building home brew triplexer 
> and filters. 5B5AGN has the info for building BPF here 
> http://ac0c.com/main/page_so2r_5b4agn_bpf_modules.html
> Also a lot of (but not complete) info can be found here 
> http://www.k8nd.com/Radio/SO2R/SO2R_Products.htm
> 
> 
> 
> 
> 
> 73, Igor UA9CDC
> ----- Исходное сообщение ----- 
> От: <john at kk9a.com>
> Кому: <cq-contest at contesting.com>
> Отправлено: 6 января 2017 г. 21:27
> Тема: Re: [CQ-Contest] Multi 2 locking device?
> 
> 
> > One somewhat expensive solution is to use a triplexer and then feed 
> > each bands coax into a 2x6 relay box such as a SixPak. The 
> relay box 
> > makes it physically impossible for both radios to connect 
> on the same 
> > band. The triplexer will allow you to operate on two bands 
> > simultaneously with using the Cushcraft beam using band 
> pass filters.
> >
> > John KK9A
> >
> > To: cq-contest <cq-contest at contesting.com>
> > Subject: [CQ-Contest] Multi 2 locking device?
> > From: "Fco. Luis Delgadillo" <xe2b at outlook.com>
> > Date: Thu, 5 Jan 2017 18:03:29 +0000
> >
> > Hola,
> >
> > I'm planning to operate M2 LP, the oncoming contest season.
> > I do have two WX0B passbands filters from my previous SO2R setup.
> >
> > -Only two radios will be used.
> > and
> > - Very simple antennas setup on a city lot:
> > Log periodic Cushcraft ASL-2020
> > Vertical tribander Force13 VR-3
> > Twin Slopper Alpha-delta DX-A
> >
> > Is there any summary related to options available for 
> locking devices 
> > to prevent two radios to operate in the same band?  I do 
> not want to 
> > have burned front ends.
> > Preferably,  I would like to build it.
> >
> > I appreciate the feedback
> >
> > 73
> >
> > Luis XE2B
> >
> >
> > _______________________________________________
> > CQ-Contest mailing list
> > CQ-Contest at contesting.com
>