performance hf

53 links

Petlowany Three-Band Burner Antenna
The Petlowany Three Band Burner is a simple low cost trapless short vertical antenna which ...

[ Hits: 6060 | Votes: 5 | Rating: 7.2 ]

AMRAD Active LF Antenna
The AMRAD Active LF Antenna You can tune into LF activity with this easy tobuild ...

[ Hits: 2475 | Votes: 1 | Rating: 10 ]

Some J-Poles That I Have Known
The varieties of twinlead J-Poles and some performance standards, L. B. Cebik, W4RNL

[ Hits: 4304 | Votes: 4 | Rating: 3.75 ]
The DBJ-1 VHF-UHF Dual Band J-Pole
Searching for an inexpensive high performance dual band base antenna for VHF and UHF Build ...

[ Hits: 6299 | Votes: 5 | Rating: 6 ]

1.8 to 21 Mhz Magnetic Loop antenna
Magnetic loops are a compromise antenna and performance will be down on a full size ...

[ Hits: 13718 | Votes: 41 | Rating: 6 ]

HF insulation, the pitfalls
Although insulation may seem relatively insignificant in the larger picture on it depends the quality ...

[ Hits: 540 | Votes: 0 | Rating: 0 ]
VHF antennas, construction and use
Article by VU2GT about VHF antennas, how to evaluate performances and models.

[ Hits: 995 | Votes: 0 | Rating: 0 ]

Cutting Jig for VHF/UHF yagi elements
If you want a top performance VHF UHF Long Yagi you will probably have to ...

[ Hits: 18943 | Votes: 14 | Rating: 6.2 ]

G8JNJ Broadband HF Vertical Antenna - Martin - G8JNJ
G8JNJ Broadband HF Vertical Antenna Requires no tuner great results from 40m to 10m plus ...

[ Hits: 4683 | Votes: 4 | Rating: 7 ]
Multiband HF Antenna
This article explores the performance of an unloaded vertical as a multi band HF antenna ...

[ Hits: 1344 | Votes: 1 | Rating: 5 ]
13m high elevated vertical
This article explores the performance of an unloaded elevated vertical base matching and feed line ...

[ Hits: 1357 | Votes: 0 | Rating: 0 ]
Unloaded vertical as a multi-band HF antenna
Performance of an unloaded ground mounted vertical as a multi-band HF antenna.

[ Hits: 660 | Votes: 0 | Rating: 0 ]

LNA Technology - C. Pierson
LNA Technology High Performance Low Noise Preamplifiers for Amateur Radio VHF UHF weak signal DX ...

[ Hits: 2194 | Votes: 4 | Rating: 7 ]

PCTEL Connected Solutions - Allen
PCTEL Connected Solutions develops and delivers high performance land mobile radio WiFi WiMAX GPS VHF ...

[ Hits: 1623 | Votes: 22 | Rating: 6.26 ]

Big Hair's Antennas - Scott Archer
High Performance, HF, CB, base and mobile antennas

[ Hits: 810 | Votes: 1 | Rating: 10 ]

RF HAMDESIGN
An engineering oriented organization specializing in the design and manufacture of high performance parabolic antennas ...

[ Hits: 1616 | Votes: 5 | Rating: 9 ]

About AMTOR
AmTOR may be considered as the next development from RTTY AmTOR was introduced to overcome ...

[ Hits: 363 | Votes: 0 | Rating: 0 ]

HF Antennas for restricted space
Arrl document about invisible antennas and indoor systems It is important to consider that few ...

[ Hits: 9201 | Votes: 7 | Rating: 5.28 ]

Yaesu FT-857 description
The FT 857 the world s smallest HF VHF UHF mobile transceiver provides base station ...

[ Hits: 1111 | Votes: 0 | Rating: 0 ]

Radio Mobile - VE2DBE
Radiomobile is an excellent and very detailed radio path mapping software vhf uhf propagation predictor ...

[ Hits: 10596 | Votes: 40 | Rating: 8.53 ]