XPost: uk.radio.amateur   
   From: kinvig.netta@ntlworld.com   
      
   "Ian Jackson"  wrote in message   
   news:1M0ZGuBgmCmZFwJs@brattleho.plus.com...   
   > In message , Gareth's Downstairs Computer   
   >  writes   
   >>On 19/08/2017 10:34, Jimbo wrote:   
   >>>> sexes).   
   >>>    when I was newly licensed and poor I used 75 ohm TV coax and belling   
   >>> lee   
   >>> connectors on HF and got away with it .......   
   >>>   
   >>   
   >>And it was standard on 145MHz. (QQV03-10 anyone?)   
   >   
   > Actually, the original B&L connector is a pretty good 75 ohm match up to   
   > 1GHz and more. If I remember correctly, many 50 ohm BNCs are not so hot   
   > >500MHz. With 75 ohms, the problem is maintaining the structural return   
   > loss constant while having enough PTFE insulation to hold the pin in   
   > place. Some are only really good to around 200Mhz. Of course, for most   
   > purposes, both are usable to much higher frequencies.   
   >   
   > And mixable!   
   >>   
   >>   
   >>   
   I got a load of weird connectors and adaptors from a guy that worked at the   
   sub base at New London in 1979 ...still using them ......   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)