antenna hf

770 links - and 22 categories

VHF sleeve dipole antenna
An off-center-fed sleeve dipole, made of CPVC and aluminum foil tape by KV5R

[ Hits: 806 | Votes: 0 | Rating: 0 ]
VHF Yagi Antenna with Gamma Match
An interesting article on building a 4 elements yagi antenna with gamma match for the ...

[ Hits: 2369 | Votes: 28 | Rating: 4.03 ]

9 dB 70cm Collinear Antenna
Build A 9 dB UHF Collinear Antenna From Coax By N1HFX

[ Hits: 3741 | Votes: 26 | Rating: 6.68 ]

The EFHW Antenna
An efficient monoband end fed half wave for 10m 20m or any other HF band ...

[ Hits: 1104 | Votes: 1 | Rating: 10 ]

Feed antenna through closed window
A system to lay the antenna cable through a closed window by OE1VFW

[ Hits: 1014 | Votes: 0 | Rating: 0 ]

W5ALT Indoor Vertical Antenna - W5ALT
Base loaded vertical antenna that can be tuned on almost all HF bands tuned by ...

[ Hits: 4528 | Votes: 17 | Rating: 7.05 ]
A Cheap Indoor Dipole for 80m-15m - NC4JB
NC4JB Josh explain in this article how to setup a simple and cheap indoor dipole ...

[ Hits: 4533 | Votes: 8 | Rating: 6.37 ]

OSJ antenna for VHF and UHF
Working priciple of OSJ and jpole anntennas by PY4ZBZ

[ Hits: 1987 | Votes: 13 | Rating: 4.54 ]

Mag Loop For 40m-10m
Compact and efficient magnetic loop antenna that cover from 40 to 10 meters project by ...

[ Hits: 1824 | Votes: 2 | Rating: 10 ]

HF portable magnetic loop
Here is a well documented plan of a 20m 10m compact magnetic loop antenna Article ...

[ Hits: 1058 | Votes: 1 | Rating: 10 ]
Field Day Antennas - K9JY
HF VHF UHF antenna ideas to be used for field days All antennas are quick ...

[ Hits: 499 | Votes: 0 | Rating: 0 ]
Notes on Portable HF Antennas
Notes on an optimum Portable HF Antenna a comparison of MFJ927 and SGC239 autotuners and ...

[ Hits: 452 | Votes: 1 | Rating: 10 ]

VHF Cubical Quad
A project for a four element cubical quad antenna for 144 MHz in portuguese ...

[ Hits: 2095 | Votes: 29 | Rating: 5.97 ]

QRP Antenna Tuner project - WB0RIO
This is a project aboout compact and portable a QRP antenna tuner for use in ...

[ Hits: 284 | Votes: 0 | Rating: 0 ]

The Turnstile antenna
An omnidirectional and horizontally polarized VHF antenna by EA4EOZ

[ Hits: 916 | Votes: 4 | Rating: 3.25 ]
PL259 Antenna
A simple VHF quarter wave antenna from PL25

[ Hits: 542 | Votes: 2 | Rating: 9 ]

Broadband Power Technology
Active Receiving Antennas designed for reception of shortwave mediumwave and longwave signals and VHF UHF ...

[ Hits: 337 | Votes: 0 | Rating: 0 ]

ARS Eletronica Industrial
Commercial VHF UHF antenna maker based in Brazil

[ Hits: 275 | Votes: 0 | Rating: 0 ]

Comet CHA250B Review - K3DAV
An interesting article by K3DAV comparing the COMET CHA250B to other HF multiband vertical antennas ...

[ Hits: 1632 | Votes: 2 | Rating: 8.5 ]
Butternut HF9V
Assembling the Butternut HF9v HF vertical antenna

[ Hits: 813 | Votes: 0 | Rating: 0 ]