[K4RY] K4RY: Heathkit transmitter and receiver working fine !

[WB4LNM at aol.com]

I (finally!) had a chance to perform the final performance checks on the  
Club's Heathkit SB-301/401 transmitter / receiver combination.  This is  
after replacing all of the very old electrolytic capacitors anywhere in either  
box.  The old capacitors had lost their ability to filter because the  
electrolyte 'dries out' as these get old and are kept in high  temperatures.  
This results in a telltale hum in the transmitter and less  regulated voltages 
in the transmitter.
 
In any case, they both seem to operate very well.  I'll be bringing  them 
back in this week and will put together a 'short form' instruction list on  
how to pre-set the tuning controls and a tune up procedure before  operating. 
 I hope we can get some use out of them on the HF bands.   In any case, 
they will reduce the heating bill for Broun Hall.  
 
73
 
John...
WB4LNM
 
(...one project down and only 274 more to go !!!  )  
 
 
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://mailman.eng.auburn.edu/pipermail/k4ry/attachments/20110227/51547ed1/attachment.htm