--- Charles Miller [EMAIL PROTECTED] wrote:
Larry,
Doubling the antenna height does not always increase
the gain. It does help
in most cases but if the antenna's are line of sight
it makes little or no
difference.
Charles Miller
WD5EEH
It is well established if the antennas are
I would have to say if you have a amp at say 50
watts and you use a very high gain antenna and have very good coax with very
minimal losses you should be able to perform just as well as a amp or XMTR at
higher power running a cable with say minimal losses and a antenna that does not
At 22:46 8/26/2004 -0400, you wrote:
Hey Bob,
DBc is gain over a cruchcraft. just subtract the gain listed on a Ringo
ranger, Diamond or comet by 6.1 to get dbd.
Well, it's not quite that bad but OK I get the joke.
I know all about dbi just
subtract 2.7 or 2.9 to get dbd and so on.
A little off thread, but maybe someone out there has them. I am in
need of two PL Tone boards for the Motorola Spirit SU21 Handi
Talkie's. If you have two working units, please email me off post
with your cost including shipping to Indiana. Thanks.
Mathew
Yahoo! Groups Links
* To
Well since were tossing cents here, no 3DB will not
give you twice the range, and I will tell you why. I have two antenna's
here at the shack, one is a 3 DB gain and the other a 6 DB gain, in preperation
of changing the tower for the repeater, I set the repeater on the 3db gain
antenna,
Davies, Doug A FOR:EX wrote:
Thanks to all for the replies on using Yagi's as repeater antennas. All
reports seemed favorable so I think I'm going to give one a try. I have a
5-element one all ready to go.
Doug VA7DD
Is using a lnother repeater placed in the are you want to hit with
One big question?
Is every thing rated the same?
I.E.: dbd?
Not mixed and matched I.E.: dbd/dbi and yes even dbcsmile
73 Russ,
W3CH
- Original Message -
From:
Mathew Quaife
To: Repeater-Builder@yahoogroups.com
Sent: Sunday, August 29, 2004 8:56
AM
Subject:
I have for Sale or Trade 6 Commercial HT's
3-Jobcom VHF 154 mhz one channel HT with Chargers Antenna careHolster
3-Realistic VHF 154 mhz 2 channel HT with Charger Antenna
These radio work fine,Great for Camping,Hunting,Work,Farm,Etc
$200.00 Shipped for all US Postal Money Order or TRADE!!
Actually, the old standard was 6 db per S unit., but then there really
never has been a real standard for S units that anyone has followed.
Al,
K9SI
No, it won't. 3dB will give you 1 s-unit increase and slightly more
range, but nowhere near double.
Yahoo! Groups Links
* To visit
One set of DB-4072 6 cavity UHF reject type duplexers. Catalog says
450 to 512 mhz. It should work in the upper 440 portion of the ham
band also but I did not check to see.Currently in 460 mhz range. 75
Db isolation at 2.75 Mhz or more split. 250 watt. In great condition
except for scratches
complete Motorola Mitrek UHF radio, model # T74JJA3900AK. (Chassis:
HUE-1032A). This is the 110-Watt 450-470 mhz model which can stay in
the commercial band or will tune into the 440mhz Ham band without
modification. This unit has been very nicely and cleanly converted
for duplex operation and
Posting for a friend
2-Motoeola Micor VHF Receivers,Came out of Micor Remote Base station
Clean and Work.For more information and numbers contact...Email to
Phil [EMAIL PROTECTED]
Yahoo! Groups Links
* To visit your group on the web, go to:
--- Al Wolfe [EMAIL PROTECTED] wrote:
Actually, the old standard was 6 db per S unit.,
but then there really
never has been a real standard for S units that
anyone has followed.
I hate it when someone mentions dB and Sunits at the
same time. There is no standard for s units to dB.
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