Home |
Search |
Today's Posts |
#11
![]() |
|||
|
|||
![]()
RHF wrote:
Dave, IIRC a good Amateur Radio 1/4 WL Vertical-Up-Leg by 1/4 WL Horizontal-Out-Arm {Inverted "L" Antenna requires very little Tuning and performs very well near and far on the HF Band that it is 'cut' to use on. Using a direct-connect or 1:1 UnUn at the Feed-Point * Half-Wave Inverted "L" Antenna : 1/4 WL + 1/4 WL Where-as the more common Shortwave Listener (SWL) type of {Random Wire} Inverted "L" Antenna is un-equal and usually has a shorter Vertical-Up-Leg and a longer Horizontal-Out-Arm of at least 1V-to-2H and often 1V-to-3H or more. Using a 9:1 Matching Transformer and Ground Rod at the Feed-Point which is at the base of the Vertical-Up-Leg. "Random" implies otherwise. Instead of a 9:1 UnUn, imagine one of these at the feed point: http://www.mfjenterprises.com/Produc...ductid=MFJ-927 I enjoy playing with these kind of things. So I got a license to transmit. Some call that "elitist", I call it self-indulgent. |
Thread Tools | Search this Thread |
Display Modes | |
|
|
![]() |
||||
Thread | Forum | |||
Poor to no shortwave Reception | Shortwave | |||
Should a shortwave loop antenna, hung outside, also improve FM reception? | Shortwave | |||
The "Green" Antenna for AM/MW Radio Reception plus Shortwave Too ! | Shortwave | |||
Sangean ATS-505 Receiver - Improving your Shortwave Radio Reception with an External Shortwave Listener's (SWL) Antenna | Shortwave | |||
shortwave reception.. with Grundig YB 400 PE | Shortwave |