40 antenn

512 links - and 10 categories

40m Wire Antennas Comparison - PH0NO
On the field comparison among C Pole antenna an EFHW vertical antenna and an Inverter ...

[ Hits: 172 | Votes: 1 | Rating: 3 ]
40 meters band beverage antenna - YO8RXP
The author describes his experience building and using a Beverage antenna for the 40 meter ...

[ Hits: 35 | Votes: 0 | Rating: 0 ]

Vertical bazooka antenna for the 40m - ON8IM
A quarter wave vertical omni directional antenna for 7 MHz Formulas for dimensions in feet ...

[ Hits: 135 | Votes: 7 | Rating: 6.85 ]

G4WIF End Fed Half Wave Antenna - G4WIF
Opting for a visually appealing inverted L configuration G4WIF anchors the End Fed Half Wave ...

[ Hits: 123 | Votes: 1 | Rating: 9 ]

EFHW Anntenna 40-10 for QRP - YO6DXE
The author discusses their endeavour to create a compact robust resonant antenna for QRP operations ...

[ Hits: 54 | Votes: 0 | Rating: 0 ]
40m QRO End Fed Half Wave Antenna Coupler - AA5TB
A medium power End Fed Half Wave Antenna coupler specifically tuned to the QRP frequency ...

[ Hits: 105 | Votes: 0 | Rating: 0 ]
Comparing Mobile whip versus EF HW Vertical - PH0NO
PH0NO conducted field tests comparing a mobile antenna DX UHV to an end fed half ...

[ Hits: 81 | Votes: 0 | Rating: 0 ]
Full size 80m End Fed Half Wave Antenna - G4WIF
The author reflects on expanding their antenna for 80m coverage during lockdown They extend the ...

[ Hits: 99 | Votes: 0 | Rating: 0 ]
Homebrew EFHW Antenna for Low Power HF (40/20/15/10m) - vk1nam ^new
This describes a homebrew End Fed Half Wave EFHW antenna for low power SOTA Parks ...

[ Hits: 59 | Votes: 1 | Rating: 10 ]

RF Choke with Bifilar Windings - rjbono
This article presents an RF Choke featuring an 11 bifilar turn winding of 14 house ...

[ Hits: 87 | Votes: 0 | Rating: 0 ]

Reversible 40 Meter Moxon - VE3VN
The author wants a compact switchable antenna for 40 meter ham radio They compare 3 ...

[ Hits: 76 | Votes: 2 | Rating: 5.5 ]

Modified Ground Plane Antenna Adds Second Band - Dick Reid, KK4OBI
This article explains the trick of how to shorten and lengthen pairs of radials to ...

[ Hits: 53 | Votes: 0 | Rating: 0 ]