30MDG at Yahoo! Groups

Saturday 30m SSTV MP73-N (<500hz) 1700-1900 utc, 5/18/2013, 11:00 am

Sat, 18 May 2013 04:01:10 GMT

Reminder from: 30MDG Yahoo! Group http://groups.yahoo.com/group/30MDG/cal Saturday 30m SSTV MP73-N (<500hz) 1700-1900 utc Saturday May 18, 2013 11:00 am - 1:00

Re: 30/40 Meter Arrays, Status

David Cole — Fri, 17 May 2013 05:00:57 GMT

Hi, Thank you! The rains have returned with a vengeance here for now... I expect a few more days of rain, (should make the ground soft for radial, and

Re: 30/40 Meter Arrays --- RF Exposure

David Cole — Fri, 17 May 2013 04:57:55 GMT

Hi, Thank you! I found that one and ran the numbers, everything is contained within my yard, and behind a fence at acceptable levels!! :) I used 1500 W for 7

30/40 Meter Arrays --- RF Exposure

W. J. Karle — Fri, 17 May 2013 01:07:21 GMT

Dave, Following on my recent message, the RF Exposure calculator that I use is the one from ARRL. It is at http://hintlink.com/power_density.htm Bill

Re: 30/40 Meter Arrays, Status [1 Attachment]

W. J. Karle — Fri, 17 May 2013 00:34:22 GMT

Dave: Thanks for your reply. The installation layout and your plan regarding when to stop laying radials both seem correct. Someone mentioned concerns about

Re: New Antenna for 30 Meters coming by mid summer...

kleks05 — Thu, 16 May 2013 13:28:36 GMT

inline... ... but..but.. 2m 5/8 is usually vertical. is your end -fed a vertical antenna ?? yes, a 5/8 will have a bit more flattened torus (doughnut) shape,

Re: New Antenna for 30 Meters coming by mid summer...

David Cole — Wed, 15 May 2013 23:00:50 GMT

Also, what is the height? I broke out EZNEC, and things didn't look good.... -- Thanks, Dave For Amateur Radio equipment reviews and setups see:

Re: New Antenna for 30 Meters coming by mid summer...

Don Leitch — Wed, 15 May 2013 20:44:52 GMT

Ah George 5/8 gain over what ? A standard dipole fed with a tuner? Surely a full length dipole tuned to perfection with no ATU would out perform the first. I

Re: New Antenna for 30 Meters coming by mid summer...

AC5JV,GEORGE — Wed, 15 May 2013 13:58:06 GMT

HELLO ALL " i have question on antenna i have ? ok , i'm using my 75m end-fed which is 60 feet long, on 30 meters , ok you do the math on it and its just

Re: New Antenna for 30 Meters coming by mid summer...

David Cole — Wed, 15 May 2013 11:16:46 GMT

Yes... I hope so as well... That was one of the reasons the 30 Meter array ended up where it was, we can only run 200 watts here, so I expect that will not

Re: New Antenna for 30 Meters coming by mid summer...

Peter Eckersberger — Wed, 15 May 2013 05:56:04 GMT

Hi Dave, I just visited your web-site. Looks really professional. The only thing which puzzles a bit are all those nearby buildings. I'm crossing my fingers

Re: New Antenna for 30 Meters coming by mid summer...

David Cole — Tue, 14 May 2013 16:21:06 GMT

Hi Peter, OK I have things up on the web site now... Lots of photos, etc... See: http://www.nk7z.net I would be interested in your thoughts/suggestions, (as

Re: New Antenna for 30 Meters coming by mid summer...

David Cole — Tue, 14 May 2013 14:41:59 GMT

I'll put them up on my web page, and then post here when ready... Should be later today Peter... -- Thanks, Dave For Amateur Radio equipment reviews and setups

Re: IMPORTANT - HamSpots.net changes from 2300utc (14-May)

David Cole — Tue, 14 May 2013 14:41:17 GMT

No good deed goes unpunished! Thanks for hamspots, sorry fools abused it... -- Thanks, Dave For Amateur Radio equipment reviews and setups see:

Re: 30/40 Meter Arrays, Status

David Cole — Tue, 14 May 2013 14:39:07 GMT

Hello Bill, I got lucky... The lot is long and narrow relative to itself, close to a 5:1 ratio... The lot is about 300 feet long, and about 60 feet wide, so