View Single Post
  #13   Report Post  
Old March 20th 08, 08:58 PM posted to sci.electronics.design,rec.radio.amateur.antenna
Martin Griffith Martin Griffith is offline
external usenet poster
 
First recorded activity by RadioBanter: Mar 2008
Posts: 1
Default Narrow band antenna.

On Thu, 20 Mar 2008 20:07:43 GMT, in sci.electronics.design
(GregS) wrote:

In article , Artem wrote:
On Mar 15, 12:28 am, K7ITM wrote:
On Mar 14, 2:15 pm, Artem wrote:

Yes...very good. That should help keep the loop nicely balanced,
especially if you build it all very symmetrical. That one more tube


Hi. I have some problem. I can't receive nothing except noise And self
oscillation frequency.
I have some photos. Could any give me some suggestions?
Antenna:
http://artembond.no-ip.info/apache2-...t/DSC_9427.JPG

Chematics:
http://artembond.no-ip.info/apache2-...t/DSC_9431.JPG

Amplifier:
http://artembond.no-ip.info/apache2-...t/DSC_9426.JPG


I think you need to narrow band those photos.

greg


Yes
www.irfanview.com has an excellent bit of software that does just that


martin