Hmmm... I forgot to mention that in junkyards one eventually come across some
amps debris. Unfortunately there are usually no transformers as they are
chopped
to sell the copper in it.
I got my heart broken when I came across debris of two Harris RF-110 amps on
such a place. I looked around as crazy for the PS, but they had been gone.
73,
Felipe
Felipe Ceglia - PY1NB wrote:
> Hi,
>
> This is not a CX privilege. Here in Brazil we have the same problem.
>
> You cant just browse a website and ask for something you need. If items are
> heavy and expensive, its a budget nightmare to bring it in. High shipping
> costs,
> and high taxes (sometimes up to 100% the product value, depending on shipping
> method).
>
> So, the way is to wander around junkyards and collect everything that seems
> like
> would be useful for a QRO project. You end up with a love of junk in the
> attic
> (wives love it) and there are always some parts missing...
>
> 73,
>
> Felipe
>
>
> Patrick Barthelow wrote:
>> Folks,
>>
>> In the course of helping a YL build an amp in Uruguay, I am making progress,
>> but am amazed at the challeges faced by hams there, and probably other small
>> countries, who want to buy or build ham gear, particularly amps. I found an
>> insider representative in the Uruguay broadcast tramsmitter industry who is
>> looking for spare broadcast transmitter parts, suitable for Amateur amps,
>> such as tubes, transformers, power supply parts, etc for this ham.
>>
>>
>>
>> He said, in the commercial TX world repairs or parts acquisition is
>> difficult and expensive, and a main vendor they rely on is Nebraska Radio
>> Sales. OUCH(!) NRS seems to have insanely high prices on QRO RF
>> components, at least to me they seem high. To add insult to injury this
>> insider says every purchase, say for a $1000 vacuum variable, or say a
>> transformer has a $1000 (equal amount) dollar duty tacked on before he can
>> bring it in. OUCH! Says there are a lot of solid state Broadcast TX there,
>> but also a lot of older tube transmitters, in the 1-10KW range as spares,
>> backups so I am hopeful to find the heavy parts for a power supply there, to
>> save money...In the olden days, here, the 4-400A was a common find if you
>> trolled radio station engineers for spares, probably not so much any more.
>>
>> As to commercial ham gear I bet they also pay a super high tax on retail
>> gear brought in, so anyone in CX land on the air, has committed considerable
>> economic effort to do so.
>>
>>
>>
>> I wonder if this lady could find usable components in a junked 1KW microwave
>> oven for a power supply, diodes, or caps, transformer, etc? The last
>> microwave oven that I took apart, had some hefty lookig HV diodes, and what
>> looked like a transistorized flyback style HV generator. I will have to
>> look through arciived threads on the reflector here....
>>
>>
>> Best Regards,
>> 73, de Pat Barthelow AA6EG
>>
>>
>> _________________________________________________________________
>> The New Busy is not the too busy. Combine all your e-mail accounts with
>> Hotmail.
>> http://www.windowslive.com/campaign/thenewbusy?tile=multiaccount&ocid=PID28326::T:WLMTAGL:ON:WL:en-US:WM_HMP:042010_4
>> _______________________________________________
>> Amps mailing list
>> Amps@contesting.com
>> http://lists.contesting.com/mailman/listinfo/amps
>>
>
--
Felipe Ceglia - PY1NB
-------------------------------------------------------------------------------------
PR1T team member /// Rio DX Group member /// Araucaria DX Group member
http://www.dxwatch.com /// http://reversebeacon.net ///
http://riodxgroup.dxwatch.com
_______________________________________________
Amps mailing list
Amps@contesting.com
http://lists.contesting.com/mailman/listinfo/amps
|