Ameritron instructions for adding 10 meters to the AL-1500 require cutting
one wire. Worked fine on mine. No change of teh RF choke is required.
Bob W6VY
----- Original Message -----
From: "Roger (Sub1)" <sub1@rogerhalstead.com>
To: <amps@contesting.com>
Sent: Tuesday, January 25, 2011 7:08 PM
Subject: Re: [Amps] Why no 28 MHz
> On 1/25/2011 10:04 PM, Hsu wrote:
>> I just repaired two AL1500s for my friends,
>> i found theat these amps use difference choke,
> Which again is no longer necessary, *but* if they change that choke in
> the US version they have to go through the FCC approval process again.
>
> 73
>
> Roger (K8RI)
>> the USA version can not work in 10m, you must replace the original
>> choke! I use a vector network analyser test it.there is a dip point in
>> 10 meter!
>> 73!Hsu
>> ----- Original Message -----
>> From: "Mike"<noddy1211@sbcglobal.net>
>> To:<amps@contesting.com>
>> Sent: Wednesday, January 26, 2011 10:38 AM
>> Subject: Re: [Amps] Why no 28 MHz
>>
>>
>>> Yes, and in the case of the ALS-500 charges another 30 bucks to get it
>>> on
>>> 12/10 Meters.
>>>
>>> Mike
>>>
>>> -----Original Message-----
>>>
>>> I thought the FCC had changed the rules about 10 meters on commercial
>>> ham amps, yet I see that Ameritron still lists their amps 1.8 though 21
>>> MHz with 28 MHz on the export models.
>>>
>>> Why?
>>>
>>> 73
>>>
>>> Roger (K8RI)
>>>
>>> _______________________________________________
>>> Amps mailing list
>>> Amps@contesting.com
>>> http://lists.contesting.com/mailman/listinfo/amps
>>>
>>> _______________________________________________
>>> Amps mailing list
>>> Amps@contesting.com
>>> http://lists.contesting.com/mailman/listinfo/amps
>> _______________________________________________
>> Amps mailing list
>> Amps@contesting.com
>> http://lists.contesting.com/mailman/listinfo/amps
>
>
> _______________________________________________
> Amps mailing list
> Amps@contesting.com
> http://lists.contesting.com/mailman/listinfo/amps
_______________________________________________
Amps mailing list
Amps@contesting.com
http://lists.contesting.com/mailman/listinfo/amps
|