[Rhodes22-list] Hand-Held VHF's

Michael Meltzer rhodes22-list@rhodes22.org
Tue, 23 Jul 2002 16:07:36 -0400


IIRC formula sr(antenna height)*1.15 (for 3db)
so:
(3^.5)*1.15 = 1.999 seting in the cockpit
(8^.5)*1.15= 3.25 standing on a dock
(36^..5)*1.15=6.9 mast hight
(60^.5)*1.15=8.9 bigboat or big sailboat.
(500^.5)*1.3=29.06 coast guard (their have a flatter spread on their
antenna)

taker the two number and add them to together, as in cockpit to cockpit 4
miles+-
cockpit to dock 5 miles, this is over water, if land get in the way you
loose, BTW this is best cases, it might be shorter

MJM
----- Original Message -----
From: "Ware, Joseph W." <joseph_ware@merck.com>
To: "List Rhodes (E-mail)" <rhodes22-list@rhodes22.org>
Sent: Tuesday, July 23, 2002 4:01 PM
Subject: [Rhodes22-list] Hand-Held VHF's


> What is the range on these?  How does land effect this range.  I'd like to
> have one on the dock while someone is out sailing.  Could be a couple of
> miles and was trying to see if a hand-held was an option.
>
> Joe
> S/V Whisper
>
>
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