It depends on what you have and what you need.
The mobile radio has a much better and more selective receiver.
The handy talky amp is designed for a mobile installation, with a limited
antenna.
If you can ever put up a base station antenna, the HT will be overloaded and
you won't hear a thing.
-----Original Message-----
From: For blind ham radio operators [mailto:[log in to unmask]]
On Behalf Of Ashley Bernard
Sent: Monday, December 01, 2014 5:20 AM
To: [log in to unmask]
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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