Friday, May 22, 2020

Amazon Phishing: Beware

If you click on the link, you are asked for your user name and password.  
A classic.  Several ways to know it not real.


Spanning the Globe: 21st Century Remote Op


Thursday, May 14, 2020

Wednesday, May 6, 2020

Wind on the Mountain

I'm sure everyone has wind from time to time....

Click here to view wind on the mountain!


Saturday, May 2, 2020

110' Dipole SWR Plots

Note the vertical bands are the ham bands starting with 160m on the left and ending with 6m on the far right.
Click a plot to enlarge.

Full Range SWR



80m SWR


40m SWR



20m SWR



10m SWR















Cooper Wire inside Balanced Line

Unused freshly stripped 450 ohm balanced line compared
to weathered 300 ohm balanced line freshly 
stripped back to expose the copper wire.




These are the ends of a 6" section of weathered 300 ohm 
balanced line. The bottom image was 
unexposed (freshly stripped).


Friday, May 1, 2020

Dipole 220' May 1, 2020

It is May 1, 2020.  I put the antenna analyzer on the the 220' dipole and the Full Wave 80m Loop today.  The following plots show the SWR characteristics of the dipole.  The next post reports on the full wave loop.


Full Spectrum R X Z



160m


80m 



40m 



20m 


Analysis of W4UOA Loop May 1, 2020



 80m SWR

80m R X Z


40m SWR

40m R X Z


20m SWR

20m R X Z



17m SWR
17m R X Z



15-12-10m SWR

15-12-10m R X Z