I would just go the mobile route if I were you. No point spending as much on
an amplifier as you can get an inexpensive mobile for.
----- Original Message -----
From: "Ashley Bernard" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Monday, December 01, 2014 6:20 AM
Subject: Re: power amplifiers
> This is great information. I=E2=80=99m starting to wonder with all the =
> fuss and expense to get this to work if I might just be better off =
> biting the bullet and putting the money into a mobile haha. After all =
> that=E2=80=99s essentially what I=E2=80=99m trying to accomplish is =
> mobile radio-like capabilities.
>> On Nov 30, 2014, at 6:36 PM, Colin McDonald <[log in to unmask]> =
> wrote:
>>=20
>> Ok.
>> So, you want to have the least amount of adapters in the signal path =
> because=20
>> each time you introduce an adapter, you lose RF power.
>> If the Mirage bd-35 has a BNC connecter on the input, you want to get =
> a coax=20
>> jumper cable, a length of your choosing, with an SMA male on one end, =
> and a=20
>> BNC male on the other. If the Mirage amp has an so239/UHF Female =
> connecter=20
>> for the input, you want to have a coax jumper with an SMA male for the =
> radio=20
>> end, and a PL259 or UHF male on the other end.
>> I am going to make an educated guess and say that the antenna jack on =
> the=20
>> amp is an so239 connecter, so the pl259 that is on the end of the =
> antenna=20
>> coax will fit without any adapter.
>> If I were you, I'd try to find a piece of jumper coax, about 3 feet =
> long and=20
>> have it made from RG174 coax. This coax cable is thin and flexible =
> and will=20
>> yield little loss over 3 feet.
>> Also, a thinner coax cable like rg174 will put allot less strain on =
> the=20
>> radios SMA connecter...a well known problem with the SMA connecters on =
> the=20
>> TH F6A is that they tend to break inside if allot of strain is put on =
> them=20
>> over a period of time...IE a thicker stiffer piece of coax with an =
> adapter=20
>> on it...
>>=20
>> Hope that helps
>>=20
>> 73
>> Colin, V A6BKX
>> -----Original Message-----=20
>> From: Ashley Bernard
>> Sent: Sunday, November 30, 2014 4:24 PM
>> To: [log in to unmask]
>> Subject: Re: power amplifiers
>>=20
>> I have an adapter that goes on the end of the cable so it can hook =
> into =3D
>> the SMA port.
>>> On Nov 30, 2014, at 6:21 PM, Colin McDonald <[log in to unmask]> =
> =3D
>> wrote:
>>> =3D20
>>> so are you using some kind of adapter to go from the SMA female =3D
>> connecter on=3D20
>>> the radio itself to the connecter on the end of the coax of the =3D
>> antenna?
>>> Or does the antenna coax have an SMA male on it already? I ask =3D
>> because you=3D20
>>> can buy mag mounts with either an SMA male, or a pl259 =3D
>> connecter...anyway,=3D20
>>> you'll have to determine what you have and the type of jumper cable =3D=
>
>> you'll=3D20
>>> need.
>>> =3D20
>>> 73
>>> Colin, V A6BKX
>>> -----Original Message-----=3D20
>>> From: Ashley Bernard
>>> Sent: Sunday, November 30, 2014 11:50 AM
>>> To: [log in to unmask]
>>> Subject: Re: power amplifiers
>>> =3D20
>>> Thanks. This is good info. that is indeed the amplifier =
> I=3D3DE2=3D3D80=3D3D99=3D
>> m =3D3D
>>> looking at. my primary radio is a kenwood thf6a. My antenna is =
> mounted =3D
>> =3D3D
>>> on a high shelf near the window.
>>> Thanks.
>>> Ashley
>>> =3D20
>>> =3D20
>>>> On Nov 30, 2014, at 1:45 PM, Colin McDonald <[log in to unmask]> =
> =3D
>> =3D3D
>>> wrote:
>>>> =3D3D20
>>>> is this the mirage BD-35 dual band amp listed for $199?
>>>> You need a power supply and a jumper cable to go from your radio to =
> =3D3D=3D
>>=20
>>> the amp.=3D3D20
>>>> Also, check out what kind of connecters are on the amp so you can =
> =3D3D
>>> order the=3D3D20
>>>> correct ends on the jumper cable for your HT and the amp's =
> input=3D3D20
>>>> connecter...as well as to connect your antenna.
>>>> It doesn't indicate on the Mirage sight, at least not in the =
> brief=3D3D20=3D
>>=20
>>>> description, what type of connecters are used for the input and =3D3D
>>> outputs on=3D3D20
>>>> the amp itself.
>>>> They are either BNC or so239 also known as UHF female connecters.
>>>> I don't recall exactly what antenna and radio you are using, so =3D3D
>>> perhaps let=3D3D20
>>>> us know and then me or someone can let you know exactly what coax =
> =3D3D
>>> jumper,=3D3D20
>>>> and cable ends you will need to hook everything up.
>>>> I agree though, that if you are using a magnetic mount antenna =3D3D
>>> indoors, that=3D3D20
>>>> 45 watts output may be asking for trouble with both RFI issues, as =
> =3D3D
>>> well as=3D3D20
>>>> safety issues being in close proximity to the radiating element.
>>>> Though, that said, many people use 45 or 50 watts in a mobile with =3D=
>
>> the=3D3D20=3D3D
>>> =3D20
>>>> antenna sitting on the roof of their vehicle 6 inches from their =3D
>> head, =3D3D
>>> so=3D3D20
>>>> it's probably not that big a deal.
>>>> Also, if you are using an indoor antenna, jumping to 45 watts may =
> not =3D
>> =3D3D
>>> yield=3D3D20
>>>> the results you want, IE, getting into more distant repeaters or =3D3D=
>
>>> getting a=3D3D20
>>>> significantly better signal into the repeaters you already get into.
>>>> You are dealing with allot of RF blockage inside a dorm building =3D
>> and=3D3D20=3D3D
>>> =3D20
>>>> sometimes increasing power doesn't fix the problem of poor signals =
> =3D3D
>>> into the=3D3D20
>>>> repeater.
>>>> It may help a little, and if your antenna is near a window that =
> faces =3D
>> =3D3D
>>> the=3D3D20
>>>> repeater you wish to get into more strongly, then the jump in power =
> =3D3D=3D
>>=20
>>> will=3D3D20
>>>> help.
>>>> Just a couple things to consider is all.
>>>> =3D3D20
>>>> 73
>>>> Colin, V A6BKX
>>>> -----Original Message-----=3D3D20
>>>> From: Ashley Bernard
>>>> Sent: Sunday, November 30, 2014 5:41 AM
>>>> To: [log in to unmask]
>>>> Subject: power amplifiers
>>>> =3D3D20
>>>> so, midst the chaos of after thanksgiving shopping, =3D
>> I=3D3D3DE2=3D3D3D80=3D3D3D99ve =3D3D
>>> =3D3D3D
>>>> stumbled upon a power amplifier online. My only question is do I =
> need =3D
>> =3D3D
>>> =3D3D3D
>>>> other devices to make this work? Of course I =
> can=3D3D3DE2=3D3D3D80=3D3D3D99t =3D
>> =3D3D
>>> exactly look =3D3D3D
>>>> at the setup figure to understand what I need to connect to =
> what.=3D3D20
>>>> I=3D3D3DE2=3D3D3D80=3D3D3D99=3D3D3D
>>>> m guessing I need a power supply and a second line of coax besides =
> =3D3D
>>> that =3D3D3D
>>>> from the antenna to the radio?
>>>> The power amplifier I=3D3D3DE2=3D3D3D80=3D3D3D99m looking into is =
> the =3D
>> mirage b35.
>>>> Thanks.
>>>> Ashley KC1CPS=3D3D3D=3D3D20=3D20=20
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