[Elecraft] Station Monitor

EricJ eric_csuf at hotmail.com
Wed Jan 1 13:09:54 EST 2014


It's also detailed in his book (W7ZOI, KK7B, W7PUA), Experimental 
Methods in RF Design, and ARRL publication and the only electronic book 
I've ever seen rate an active Yahoo group all on its own.

My 10 year old copy gets so much use, it looks like it served two tours 
in the Middle East.

Eric
KE6US

On 1/1/2014 6:57 AM, Don Wilhelm wrote:
> The 40 dB Power Tap detailed in  June 2001 QST article called "Simple 
> RF Power Measurement" by Wes Hayward should do that job nicely. ARRL 
> members can find that article at the ARRL website.
>
> 73,
> Don W3FPR
>
> On 1/1/2014 9:31 AM, KD8RQE at aol.com wrote:
>>   HNY all:
>> Apropo of the recent discussions on "dirty" RF I have been considering
>> putting together a "station monitor" to monitor my RF output.  I have 
>> a K3
>> (7588) but also an ICOM 7200, Drake TR7A, Drake C-line & a couple of  
>> amps.  I
>> have a 70MHz occilliscope that I would like to place between amp  & feed
>> line to various antennas.  I want to make sure my CW & SSB output is 
>> clean
>> without clicks or splatter, especially at higher output.   This would 
>> allow me
>> to see if there is any effect on waveform from the amp  compared to the
>> transmitter output as well.  Some sort of attenuator is  needed to 
>> protect the
>> 'scope but also to make sure it doesn't change  the impedance the amp or
>> tuner sees.  I understand the Bird wattmeters  have such a "sniffer" 
>> circuit.  I
>> also understand the 'scope alone may not  be sufficient for such a 
>> "station
>> monitor". Any suggestions would be greatly  appreciated.  If this is not
>> appropiate for this reflector, I apologize,  and would be happy to take
>> replies off list.  Tnx & hny to all.
>>   73 Mike DeLong KD8RQE
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