Great link, Pete!
73
Christian Groeger
M0FMT <[email protected]> schrieb:
>Hi again all
>
>If I am going to give out URL's I may as well try two get it right!
>
>Try..... http://www.tubebooks.org/technical_books_online.htm
>
>73 es GL Pete M0FMT IO91UX
>
>
>________________________________
> From: M0FMT <[email protected]>
>To: "[email protected]" <[email protected]>
>Sent: Thursday, 12 September 2013, 17:16
>Subject: Re: LF: Re: Broadcast Ground Systems
>
>
>
>Hi All
>
>Please send all radio and electronic books that are out of copy-right to this
>web site http://www.tubebooks.org/technical_books_online.htmm where in due
>course they will be scanned and published for anyone to down load for free.
>This ensures that such works of art are not on one bookshelf but on many.
>
>73 es GL Pete M0FMT IO91UX
>
>
>________________________________
> From: Alan Melia <[email protected]>
>To: [email protected]
>Sent: Thursday, 12 September 2013, 1:16
>Subject: LF: Re: Broadcast Ground Systems
>
>
>Hi this is interesting reading, but beware of applyiing it directly to
>amateur LF!. BC antennas are usually monoples and the ground requirement for
>those is somewhat different to an amateur antenna where height is often
>limited and "T" or inverted "L" antennas are used. Always size your ground
>extent by measuring the system, so that you know when to stop wasting copper
>and effort! Radials are only really effective if they are at least 1/8th
>wavelength....that
> requires a lot of real estate at LF. Also BC engineers
>can often choose their site, amateurs rarely can.
>
>Alan
>G3NYK
>
>----- Original Message -----
>From: "David Weinreich" <[email protected]>
>To: <[email protected]>; <[email protected]>
>Sent: Thursday, September 12, 2013 12:34 AM
>Subject: LF: Broadcast Ground Systems
>
>
>Dear LF/MFers,
>
>I have a copy of "Radio Broadcast Ground Systems" that was prepared by Smith
>Electronics of Cleveland, Ohio in 1972. The report provides a digest of
>material from Laport's book, the Antenna Engineering Handbook and the famous
>article by Brown, Lewis
> and Epstein from the IRE Proceedings. I will gladly
>send it to whoever wants it and is willing to pay the postage from
>Cleveland, Ohio. First come first served, referenced to e-mail arrival time.
>
>Best regards,
>
>David Weinreich
>WA2VUJ/8
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