RAN Technology

Where is the thing?


Technical 0 Comments 12/04/2021 

Posted By: Robert Nickels (ranickels)

 

Looking for a tool?   Important papers?   Parts you just had your hands on minutes ago? 

 

 


   Having grown tired of seeing this rare and somewhat incredible receiver sitting on the shelf, unusable due to slipping dial belts, I bit the bullet and tore it apart to begin restoration.  The quote above comes from Tom Rousseau K7PJT's article in Electric Radio on the PRO-310 and boy, is he spot on!Since I will be depending heavily on what he and others have written about this receiver, ...  READ MORE
- Robert Nickels (ranickels),  01/14/2022 
   How'd it get that name?  The photo pretty much says it all...One of mine had a problem - the guts could be heard rattling around loosely insdie.  The "capsule" as it's called nowadays at least is held in position by three rubber "socks" that fit over metal tabs to provide acoustic isolation from the mounting provisions in the housings.  Not surprising aft...  READ MORE
- Robert Nickels (ranickels),  01/13/2022 
   Elmac aka Multi-Elmac was actually the Multi-Products company after tube maker Eimac complained that their original name was too confusing.  Most hams just call them Elmacs anyhow!The company was started by Cletus Collum in 1947 to commercialize his design of a radio-controlled opener for garage doors and gates.  That product still lives on through the Stanley Company and it's succes...  READ MORE
- Robert Nickels (ranickels),  01/13/2022 
  

The way it was

when HAMS ran electronics companies
Category: Historic
We hear a lot about "tech giants" nowadays but there were tech companies back in the 50's and 60's that were run by actual techies...no offence to those today who can write code, but when most of us think "tech" we think of circuits and metal chassis and solder fumes. An interesting example comes from the files of the Hallicrafters SR-2000 "Hurricane" whi...  READ MORE
- Robert Nickels (ranickels),  01/02/2022 
   Meck, Telvar, Audar -  three names for the same company's products.The John Meck company of Plymouth IN made exactly one amateur radio product: the T-60 transmitter. It was sold under the name Meck as well as Tevlar and based on a limited sample, they are nowhere near identical. The T-60 did not sell well and was only offered for a year or two. Among the reasons for this may have been the...  READ MORE
- Robert Nickels (ranickels),  12/16/2021 
     Among it's early products, the Multi Elmac Company of Oak Park MI made marine band radios and other products for boats, including the Sea-Deep DM-1 depth indicator, the Sea-Fume SF-1 vapor detector, and the BC-1 Duo-Charger for 6 and 12 volt batteries.   Thus it's not surprising that the marine radio-telephone would be given a "sea" name:   the Sea...  READ MORE
- Robert Nickels (ranickels),  11/05/2021 
   The Sonar Radio Corp.  of Brooklyn NY is a well-known manufacturer of Ham, CB, and Marine Band radios over a period of several decades, and it's products were always well engineered and of good quality.    But despite several attempts, it's ham radio products never really managed to excite hams enough to plunk down their hard-earned cash.   The SRT series of t...  READ MORE
- Robert Nickels (ranickels),  11/01/2021 
    In 1958, the Multi Elmac Company was riding high on the ham radio waves.   The company had seen an opportunity to provide feature rich but affordable transmitters and receivers to hams itching to "go mobile", which was all the craze.   Instead of sticking a converter in front of the car radio like many competitors did, Elmac produced full-blown receivers that tu...  READ MORE
- Robert Nickels (ranickels),  09/28/2021 
  

Mystery Transmitter

where's the copper subchassis from?
Category: Vintage Ham Radio
 I didn't set out to buy this homebrew CW transmitter, it was included in an auction lot that I wanted so I had to take it to get the desired item.   But even though I always like to see good quality homebrew gear, this one is just a mystery.Most of the transmitter, including 6CL6 oscillator and buffer stages and a 6146 PA are built on a sub-chassis that is clearly part of a com...  READ MORE
- Robert Nickels (ranickels),  07/15/2021 

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