[K3CAL] Fwd: How to improve hand held radio performance
Jim Tetlow
k3uga at comcast.net
Thu Oct 23 06:36:46 EDT 2014
Good point Rich, not much point of the tiger tail with the rubber duck stock antenna, works best to the 16"- 19" antennas.
Sent from my iPad, 73,
Jim Tetlow
O!!!!!O
k3uga at comcast.net
> On Oct 22, 2014, at 20:57, Rich Weaver <weaverr at comcast.net> wrote:
>
> Don’t forget to get a 16 to 19 inch Antenna for your HT’s.
> The tiger tail is only half the battle for a GOOD SIGNAL.
> The tiger tail is nothing more that a counter pose.
> Basic antenna theory.
> I’m using a NAGOYA NA-771. It’s 16 inches tall. Make sure you
> get the right one to fit your HT antenna connection.
> WE ALL KNOW the a 1/4 wave exhibits NO GAIN.
> However it is a good 50 ohm match to your HT.
>
> Rich
>
> From: mistralholt at comcast.net
> Sent: Wednesday, October 22, 2014 8:48 PM
> To: Hardy, Dave ; Radio, Calvert
> Subject: Re: [K3CAL] Fwd: How to improve hand held radio performance
>
> Dave, Very nice, I'm making one too. Thank you.
>
> Peter
>
>
> From: "Radio, Calvert" <k3cal at mailman.qth.net>
> To: "Radio, Calvert" <k3cal at mailman.qth.net>
> Sent: Friday, October 17, 2014 7:08:13 PM
> Subject: Re: [K3CAL] Fwd: How to improve hand held radio performance
>
> 21.5 inches of 14awg wire and a ring terminal. How simple can you get? I'll be making one of these in the morning. That's for 147mHz. Just right for our repeater.
>
> David Hardy
> davehardy0101 at aol.com
> KB3RAN
>
>
> -----Original Message-----
> From: Kh6cuj--- via K3CAL <k3cal at mailman.qth.net>
> To: k3cal <k3cal at mailman.qth.net>
> Sent: Fri, Oct 17, 2014 3:54 pm
> Subject: [K3CAL] Fwd: How to improve hand held radio performance
>
> To All,
>
> The Email below is from the MARCOPRS MARATHON MEDICAL GROUP of which I am a part of for the upcoming marathon.
>
> You have to go the link at www.w4ava.org to see a great video on making a "Tiger Tail" for your handheld. You have to scroll down at the site to see the "You Tube" video.
>
> I was surprised to see what the addition to a handheld showed on the Spectrum Analyzer as shown in the video.
>
> Aloha,
> Les
> KH6CUJ
> From: howardc at macrollc.com
> To: wd5dbc at arrl.net
> Sent: 10/15/2014 9:09:56 P.M. Eastern Daylight Time
> Subj: How to improve hand held radio performance
>
> Hi
>
> David Jordan, WA3GIN, made the following recommendation to improve the performance of hand held radios.
>
> Many thanks to David for providing this information..
>
> WD5DBC
>
> >We've recommended to Howard Cunningham that the volunteers for race
> >route duty be instructed to incorporate radio operator 'best
> >practices', i.e. install 'tiger' tail radials on hand-helds radios,
> >when deployed locate away from commercial garage door openers (which
> >cause RFI on 2m) or other local RFI (Metro buses), hold hand-held
> >radios-do not belt-clip radios, use 1/4 wave whips-not rubber duck
> >antennas, etc.
> >
> >We provided a very informative hand-held radio user training video for
> >the MCM radio operators. The video can be found on the W4AVA home page
> >www.w4ava.org I hope this years training meeting will include viewing
> >this video or at least make it known to the volunteers that they can
> >view the video at www.W4AVA.org.
> >
> >Proper use of the hand-held radio can improve the receive and transmit
> >signals significantly ex: a belt-clip 5 watt radio with rubber duck has
> >an ERP of 50 mw as compared to a hand-held with tiger tail and 1/4 wave
> >whip w/ERP of 4.5-5 watts. Do the math that is a massive difference in
> >performance, almost 16db.
> >
> >You have three repeaters available for MCM use, the 146.625, 447.625
> >and 448.625 all using PL107.2. If you prefer we can link the
> >146.625 with the 447.625 providing access via both VHF and UHF bands.
> >Your call.
> >
> >You may be aware that the W4AVA repeater system is partner of a larger
> >wide area network system covering over 10,000 sq. miles.
> >During the MCM the W4AVA repeater will not be linked and will operate
> >stand-alone, dedicated to the 2014 MCM.
> >
> >Have a Great race,
> >dave
> >wa3gin
> >W4AVA Repeater Trustee
>
> Howard Cunningham, MCP
> Microsoft Small Business Specialist
> Macro Systems, LLC
> 3867 Plaza Drive
> Fairfax, VA 22030
> www.macrollc.com
> 703-359-9211
> howardc at macrollc.com - personal
> For technical support, send an email to service at macrollc.com or call 703-359-9211 (24/7)
>
>
> ExchangeDefender Message Security: Check Authenticity
>
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