This is the corrected URL for Steve's Magic-T video www.youtube.com/watch?v=_Bbt1IcC4bk 73 Frank W3LPL -- Original Message -- Today I uploaded a video to my RX series which explains the Magic-T combi
This is a much better URL for Weagant's classic article worldradiohistory.com/UK/Wireless-Age/Wireless-Age-1919-Apr.pdf 73 Frank W3LPL -- Original Message -- Hi guys This is a collection of paper I w
Hi Luke, March and April (and September and October) are the months when the interplanetary magnetic field (IMF) is twice as likely to be oriented southwards (-Bz) than in June, July, December and Ja
Hi Ray, I've used Amphenol 83-1SP PL-259 connectors on RG-11 at least 100 times and they're always 100% trouble free. I'm not aware of a suitable crimp RG-11 connector. I'm referring the standard RG-
The DX Engineering DXE-PL259CS8U-12 crimp coax connector with solder center center pin should work perfectly on RG-11. I fold back the RG-11 center conductor about 1/4 inch to provide more surface ar
Hi Frank Its impossible to know at this early date if 2010 is a good solar flux index model for 2021 , it depends how optimistic you are. Hopefully we'll be able to make better judgements (guesses?)
Hi Ray, Simply connect your 160 meter transceiver to a dummy load. If the VSWR meter in your transceiver isn't accurate, connect an external VSWR meter. Or use your hand held antenna analyzer or VNA
Hi Pete, One of the best ways to figure out how to rig antenna wires for long reliable life is to examine how power companies and trolley lines rig their wires. I have many 280 foot diameter quad loo
Ward, N0AX and I prepared this Beverage article for November QST. www.arrl.org/files/file/QST/This%20Month%20in%20QST/2021/11%20November%202021/Silver%20Donovan.pdf Please don't forget to vote for yo
Hi Kent, A small ravine will have no significant effect, at worst just a slight degradation of the front-to-side ratio. You can either follow the contour of the land or run the wire horizontally acro
My propagation forecast derived from today's NOAA/SWPC web pages is published five days a week (M-F) in the Daily DX. Propagation crossing low and mid latitudes is likely to be normal until likely CM
Hi Ron, Intuition easily leads us off into the weeds when trying to use it to understand antennas and especially their interaction with their environment. On the other hand, easy to use antenna model
Hi Bob, The most serious issue with your idea is "on the ground" Even though BOGs are thought of being "on the ground" their performance is severely compromised if they're not elevated at least a few