VK Logger Ham Radio Forum Archive

and the casual operators ("also rans" I believe the official [officious? {non-archaic meaning}] title is). Yes Steve, and you do have a place. In theatrical terms a show's critical review might refer to the stars of the production and in the last paragraph make mention of those who "...

I understand that the Ham radio regulations in VK changed earlier this year. I read through the stuff on the VK regulatory authority's site, but it is not 100% clear. Can overseas visitors now operate in VK for up to 90 days by simply using the callsign homecall/VK4 (or whatever region they are loca...

diameter?

There are several big 6M stations that are workable even without ground gain while using a single yagi and some horse-power on 6M (with the appropriate permit, of course 8) My own escapades with a home made 6 element yagi and Acom1000 have put a few of them in my log. At 4X/ZL1RS I worked several st...

Forget the money grubbing bank! ... I've seen guys sell them on vkham.com for qsl postage purposes.
I f you can't get rid of them, my adress is ....

Some shades of green stand out like DB's too. I have seen some cell towers that were painted "the wrong shade of green" and, in my opinion, they look worse/stand out more than if they were left grey ... or maybe I am just looking upwards (antenna spotting) too often

... for VK6JRC

If you liked that one, check out another of my "workshops" at www.qsl.net/zl1rs select the ST2RS - Sudan link from the left frame

Hi Scott, A 7 element will probably have about 10dB gain. Two stacked, less phasing line losses, etc = about 12.5dBd. You can get that with less hastle from a single 10-12 element yagi on a 5M boom. The K1FO 12 element design as suggested is good. Also see/google designs by YU7EF and DK7ZB. The YU7E...

BTW ... can anyone point me to a website or an article that gives a test method to determine the "mix" or permeability of unknown ferrite cores? Thanks, Bob.

Scrounged ferrites might be good, but for the balun to work correctly surely they need to be the correct type of ferrite material as impedance depends on the ferrite core ... its ferrite permeability and loss are frequency dependent. See the article: http://www.vk1od.net/balun/W2DU/index.htm - perme...