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Subject:
From:
colin McDonald <[log in to unmask]>
Reply To:
For blind ham radio operators <[log in to unmask]>
Date:
Sun, 10 Apr 2011 03:42:06 -0600
Content-Type:
text/plain
Parts/Attachments:
text/plain (159 lines)
because the SMA is about a quarter the size of a BNC...and most new HT's are 
far smaller than the older ones.
73
Colin, V A6BKX
----- Original Message ----- 
From: "Jeff Kenyon" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Saturday, April 09, 2011 11:03 PM
Subject: Re: HT suggestions please


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> Why are there so many HTs then with SMA connectors then BNC, especially 
> the
> multi-band ones?
> ----- Original Message ----- 
> From: "colin McDonald" <[log in to unmask]>
> To: <[log in to unmask]>
> Sent: Sunday, April 10, 2011 12:54 AM
> Subject: Re: HT suggestions please
>
>
>>I tend to agree with Danny on this one.
>> I haven't broken an SMA connecter yet, but I've known of many instances
>> where this has happened.  Far fewer instances of BNC connecters breaking
>> off
>> the radio or snapping.
>> Also, BNC connecters are far more ruggedly constructed and due to their
>> larger size, are far easier for blind ops to repare than an SMA.
>> Also, a female BNC, IE the connecter on the radio itself, has far less
>> friction on it when taking antennas on or off...an SMA style set up
>> requires
>> you to screw the antenna on or off the radio, and the center pin of the
>> antenna, or at any rate, the male part of the SMA connecter drills into
>> the
>> female part of the plug until the connection is tight.  This causes metal
>> fatigue.  With a BNC connecter, you just press the two halves together,
>> and
>> give a quarter turn and it's done.
>> far far less stress on the electrical connection point.
>> Perhaps the BNC might endure more strain or stress because it sticks out
>> further from the chassis of the radio, but this is compensated for by the
>> fact that the mounting is far more rugged compared to a female SMA
>> connecter.
>> commercial radios, and some of the newer commercial/ham radios from china
>> use a male SMA on the radio, and this reduces allot of the above 
>> mentioned
>> problems inherent with an SMA connecter.
>> If the antenna snaps off, you can easily replace the antenna instead of
>> having to send the radioin for repares.
>> Whereas the tradditional radio female connecter will snap off with the
>> antenna in most cases and requires costly repares.
>>
>> All that said, personal experience is what you have and if your satisfied
>> with your own observations, then that is good.
>>
>> but just try to remember this the next time someone posts to the list
>> about
>> another sma snapping off the radio when it is dropped or impacted.
>> In 6 years of being on this particular hams list, I've never heard of 
>> that
>> happening to a BNC connecter on an HT.
>>
>> 73
>> Colin, V A6BKX
>> ----- Original Message ----- 
>> From: "Michael Thurman" <[log in to unmask]>
>> To: <[log in to unmask]>
>> Sent: Saturday, April 09, 2011 3:24 PM
>> Subject: Re: HT suggestions please
>>
>>
>>> well i can tell you having had radios with both there is nothign wrong =
>>> with sma  in fact I have found sma connectors to e more rugged than bnc 
>>> =
>>> :) and they feel more solid ont he ht thanthe old bnc antennas that =
>>> tended to wobble and wiggle around
>>>
>>> On Apr 2, 2011, at 4:26 PM, Dan B Dyer Jr,/Danny wrote:
>>>
>>>> Is there even any multiband HT that's made today that has BNC rather =
>>> than=20
>>>> SMA?  Singlebanders, yes, but multibanders? I don't know of any. =
>>> Danny.
>>>> ----- Original Message -----=20
>>>> From: "Jeff Kenyon" <[log in to unmask]>
>>>> To: <[log in to unmask]>
>>>> Sent: Saturday, April 02, 2011 4:05 PM
>>>> Subject: HT suggestions please
>>>>=20
>>>>=20
>>>>> --=3D=3D=3D=3D=3D=3D=3DAVGMAIL-331B0580=3D=3D=3D=3D=3D=3D=3D
>>>>> Content-Type: text/plain;
>>>>> charset=3D"iso-8859-1"
>>>>> Content-Transfer-Encoding: quoted-printable
>>>>>=20
>>>>> Hi everyone, I am thinking of purchasing a new HT.  I think that my =
>>> F6A =3D
>>>>> has just about had it, and If I do decide to go a head and get a new =
>>> one =3D
>>>>> I want one with a BNC connector since all of my other radios have the 
>>>>> =
>>> =3D
>>>>> BNC connector, and the F6A is the only one with SMA.  Any suggestions 
>>>>> =
>>> =3D
>>>>> would be helpful, and thanks in advance.
>>>>> --=3D=3D=3D=3D=3D=3D=3DAVGMAIL-331B0580=3D=3D=3D=3D=3D=3D=3D
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>>>>>=20
>>>>>=20
>>>>> No virus found in this outgoing message.
>>>>> Checked by AVG - www.avg.com
>>>>> Version: 8.5.449 / Virus Database: 271.1.1/3542 - Release Date: =
>>> 03/31/11=20
>>>>> 06:=3D
>>>>> 34:00
>>>>> --=3D=3D=3D=3D=3D=3D=3DAVGMAIL-331B0580=3D=3D=3D=3D=3D=3D=3D--=20
>>>
>
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> No virus found in this outgoing message.
> Checked by AVG - www.avg.com
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> 18:=
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