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An effective 10-20m DX antenna for deed restricted lots…
Original article by K7ZB Results The simple 15′ vertical antenna shown mounted on the railing of our second floor deck has produced almost 200 countries worked around the world… VQ9′s in Chagos and...
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The 40 meter Stealth Vertical
As published in antennex Dec. 2001 The 40 Meters band stealth vertical antenna by K7ZB “You’re 30dB over 9 here…” So goes the consistently fine signal reports received from around the USA and beyond...
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HF Multiband vertical antenna selection
After a long research on antenna makers websites I’ve produced a quick reference chart to compare most popular HF multiband vertical antennas. This table will help me on choosing my next vertical...
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The winner is: GAP Titan DX
After evaluating HF vertical antennas I’ve finally choosen and ordered my new vertical hf antenna. Gap Titan DX is the choosen one. According to characteristics and price the Titan resulted the one...
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A Mobile Antenna Farm
Mobile Antenna Farm Last week at the Scandicci Flea Market I saw this unique mobile antenna farm. The mobile VHF UHF Arrays are mounted on a Ford Focus roof. Of course I could not ignore 6 antennas on...
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Eco Antenne SK
ECO Antenne Closed World-wide famous antenna manufacturer has closed it’s business on 1st decembrer 2010. This is what I’ve learned by some hams, that have been in touch with Mr. Sergio Berutti...
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An Easy VHF UHF Antenna
This is a project of an easy to build dual band (UHF and VHF) j-pole antenna done with a common TV twin lead and some coax cable. Original PDF document can be downloaded here
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GAP Titan DX – Tuning
Tuning GAP Titan DX I had to remove the antenna last week-end due to maintenance works into the roof, so I took the occasion to play a little bit with the Titan tuing rods. I Found this schema on the...
View ArticleHow Yagi Antenna Works
Surfing Youtube, I just discovered this amazing video that demonstrate in a very uncommon but efficient way how yagi antenna works.
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80m 40m Inverted L Antennas
This week I’ve started investigating on Inverted L antennas for low bands (160 to 40). Expecially for restricted space scenarios, like mine. I found some interesting articles on the net, and a couple...
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Portable operation on 6 meter
Delta Loop for 6 meter band Today, having finally a sunny week-end, I’ve got the opportunity to bring my portable equipment outdoor. I decided to setup a random wire, but after a short query on wire...
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Morgain Antenna 40/80
Morgain Antenna 40/80 Here a plan for a Morgain Antenna for 40 and 80 meters band. This dualband antenna similar to a folded dipole permit to operate low bands by using a very limted space.
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Buddistick tuning tests
Tuning the buddistick Today I’ve taken some time to test my latest portable antenna, the Buddistick. By using an MFJ-269 antenna analyzer I’ve tried to find the main tuning keys for this small...
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Spiral Antenna
Article by N9RET THE INDOOR SPIRAL DIPOLE Since well before getting my ham ticket in 1993, I had been interested in maximizing my antenna advantage within the limitations of my small living space. I...
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Sardine Can Antenna
Sardine Can Antenna. is a BiQuad or Bi circle – wire length each side (8 x 1/4 waves ) 31 mm Sardine cans have quite standard dimensions around the world, although the oval one shown here is...
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Build a Motor Driven Magnetic Loop Antenna
Build a Motor Driven Magnetic Loop Antenna 1.5 Meters Square for 3.5-10MHZ By Neil Lowson, GM4XRF Parts List: 4 1.5 mtrs 22mm copper pipe 4 22mm copper 90 degree bends 1 500pf 6kv capacitor 1 12 volt 4...
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K9FV 40 meters band loop
A Mississippi Style 40 Meter Magnetic Loop Made from Available Aluminum Conduit, this Antenna will Not Disappoint Ken Holland, K9FV Edited by Brian Levy, W2BRI It all starts with my friend Leon, K5BUL....
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HF Log Periodic Antenna
A plan for HF Log Periodic Antenna working 10-20 meters band by VA2PHI Log Periodic Antenna for 10-20 meters bands Element spacing for a Log Periodic Antenna for 10-20 meters bands 20m Log Periodic...
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Step-By-Step Construction of a 4:1 Current-Type Balun
Article by Charles Greene, W1CG My 4:1 current-type balun is wound on a FT-114-43 core. The FT-140-43 is a little easier to work with, and maybe the FT-140-77 would cover 160-10. This one is reasonably...
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Simple HF Baluns for 50/75 Ohm Systems
The following diagrams and tables show some simple 1:1 and 4:1 baluns for use between 1.8 and 30 MHz using twin transmission lines made from enamelled copper wire (ecw). The bifilar windings have been...
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