Re: Antenna Recommendation


Donald Lambert <banjodhl@...>
 

Don KA9QJG

Thanks much.

A very good site, thanks for the link and reminder.

don/k0kuz

ZUT

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Thought for the week:
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Without CW it's just CB
-Jess-
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Any and all communications herein are the sole property of the email sender and originator. Any electronic intercept of this communication constitutes a violation of 50 U.S.C. § 1861(b)(2) of The Patriot Act. The use of this information in informal or formal proceedings, charges, investigations or indictments is strictly prohibited and rendered null and void if obtained without a warrant."
---------------------------------------------------------
-------------------------------


On Friday, November 22, 2019, 7:59:56 PM PST, KA9QJG <ka9qjg@...> wrote:


 

 

Discone antennas  were  designed By the Military  because of  needing  to transmit on many freqs . Two way radio shops use them  to receive and transmit to test  radios . In ham radio We use them because they  are  broadband   and the SWR Is low . Not much gain but the secret is to get it up high and use  good low loss coax like LMR-400   many are made and if you plan on putting it outside  get the ones that use the stainless steel parts and solid elements ..  Below is a site   you  can read the reviews  of people who have used them . I see someone   said just get a  Tri band ham ant.   That’s ok if you want to use it on ham freqs they are very narrow band with for those freqs a Discone is broadband and better  for a scanner  depending on what you are trying to hear . The higher the freqs  coax loss is a factor I had a 60m ft tower and a  discone on top with  80 ft of small RG-58 Coax  picked up pretty good until I tried to receive  a 800mhz freq 10 miles away it was noisy and only  S-1 on a icom R-7000 Receiver .

 

I opened up a  paper clip to about 3 inches and put that in the antenna port and it was 30 on the meter  sounded great lesson learned  about coax loss …RG-6 Cable type coax it great to it is 75 ohm but that is ok for a scanner  Tip  do not try and solder  a connector on it will melt the foam and short out use a good adapter like Amphenol .   The best antenna we can use in Scanning is one that is tuned for the freqs  We want to monitor .  

 

Happy Scanning , I  Started over 60yrs ago using an old tube type regency tunable  radio with a vibrator power supply .. We have come a long way but it’s a Wonderful Hobby   First PD calls I heard on an old floor model shortwave radio that was tuned just above  the Am Broadcast band . New York ,  Chicago  California …

 

Don KA9QJG   

 

Discone Reviews

 

 

https://www.eham.net/reviews/search-category?page=1&per-page=10

 

Join main@Uniden.groups.io to automatically receive all group messages.