performance hf

54 links

End Fed Half Wave Antenna Coupler - M0UKD
Centre fed half wave dipoles make great simple and effective antennas for the HF bands ...

[ Hits: 1426 | Votes: 1 | Rating: 10 ]

High Performance common-mode chokes - G3TXQ
May 2015 Radcom Article on common mode chokes that can be used for control cables ...

[ Hits: 691 | Votes: 1 | Rating: 10 ]

Multiband Horizontal Loop Antenna - Rob Norman
An 80 Mx Horizontal Loop Antenna which also operates on all higher HF Amateur bands ...

[ Hits: 1923 | Votes: 15 | Rating: 9.01 ]

OCF Dipole - WD5TYL
65279 This is a popular antenna design as the performance is very good across the ...

[ Hits: 2560 | Votes: 7 | Rating: 9.43 ]

Field Day Antennas - K9JY
HF VHF UHF antenna ideas to be used for field days All antennas are quick ...

[ Hits: 500 | Votes: 0 | Rating: 0 ]

Dish antenna
Dish antenna and its theory and design for high performance applications such as satellite transmission ...

[ Hits: 1031 | Votes: 0 | Rating: 0 ]

Antenna performance table by VE7BQH
Performance chart of VHF antennas in a stacked array

[ Hits: 914 | Votes: 2 | Rating: 10 ]
VHF UHF Coaxial Dipole Antenna - W6NBC
A base station antenna you can easily build for 146 220 or 440 MHz with ...

[ Hits: 2937 | Votes: 15 | Rating: 5.55 ]
VHF-UHF Long Boom Very High Performance Antenna Designs - W8IO
Experimental Long Boom Antennas CP LPDA multiband with several NEC Files for 50MHz 144MHz 222 ...

[ Hits: 191 | Votes: 1 | Rating: 10 ]

G8JNJ Broadband HF Vertical Antenna - G8JNJ
Broadband HF Vertical antenna which does not require a tuner and which is capable of ...

[ Hits: 1471 | Votes: 1 | Rating: 10 ]
Radials on Vertical Antennas - N6LF
Experimental Determination of Ground System Performance for HF Verticals

[ Hits: 1410 | Votes: 9 | Rating: 6.67 ]

Pro Antennas
Specialist UK manufacturer of high performance compact HF antennas

[ Hits: 330 | Votes: 0 | Rating: 0 ]

Cross Country Wireless SDR Receiver
SDR Receiver a compact high performance HF software defined radio receiver designed to be used ...

[ Hits: 3040 | Votes: 64 | Rating: 8.41 ]
Silphase Technologies - Silphase
Amateur radio SDR Receiver and Transceiver manufacturer makers of the Silphase R1 an innovative HF ...

[ Hits: 132 | Votes: 0 | Rating: 0 ]

Ameritron AL-82 Review - NK7Z
Review of Ameritron AL 82 HF amplifier owned for three years now and over that ...

[ Hits: 172 | Votes: 3 | Rating: 8.67 ]

Elecraft K3 High Performance HF RTX
I0GEJ page on the Elecraft K3 transceiver

[ Hits: 592 | Votes: 0 | Rating: 0 ]

Icom IC-7700 Overview
Exaustive review of the self-contained, top-performance HF/6m transceiver Icom IC-7700

[ Hits: 249 | Votes: 0 | Rating: 0 ]

Kenwood TS-890S Sherwood HF Test Results - Kenwood
Receiver performance review of the Kenwood TS 890S HF 50MHz 70MHz amateur radio transceiver by ...

[ Hits: 520 | Votes: 3 | Rating: 6.67 ]

Maldol MFB-300 HF vertical antenna review - g0kya
The Japanese made Maldol MFB 300 HF vertical antenna offer extremely wide band performance with ...

[ Hits: 435 | Votes: 2 | Rating: 5.5 ]

UHF Connector Performances - John Huggins
A deep analysis of UHF connectors performance tests including return Loss of UHF Connectors Mismatch ...

[ Hits: 290 | Votes: 1 | Rating: 8 ]