low band
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Antennas : 160M- Invisible DX antenna for the low bands
- Article by DK5WL describes a multi-band DX antenna for the 160m-40m amateur radio bands with
low visibility but great performance for long distance communication.
[ Hits: 7004 | Votes: 8 | Rating: 6 ]
- 160 meter low noise antennas experiments
- VE7CA experiments on 160 meters band antennas, looking for better performances on reception.
[ Hits: 3056 | Votes: 1 | Rating: 1 ]
- Restricted space 80 meter antenna
- This article describe a small single wire antenna running on the side of the building allow operations on 80 meters band
[ Hits: 3561 | Votes: 2 | Rating: 8 ]
- Modern Beverage Receiving Antenna
- A helpful guide to building your own beverage-type low noise receiving antenna for broadband use. Easy, do-it-yourself suggestions to optimize directional performance, even if you lack a farm to put it on.
[ Hits: 1629 | Votes: 2 | Rating: 5 ]
- 10-80 meters Mobile HF antenna
- This is a combination center and top loaded multiband antenna by Mark D. Lowell, N1LO PDF File
[ Hits: 11447 | Votes: 5 | Rating: 2.4 ]
- Offset multiband trapless antenna
- Simple, easy to build, low cost, compact, multiband By Robert Wilson, AL7KK
[ Hits: 2117 | Votes: 2 | Rating: 9 ]
- Another vertical antenna for 30, 40 and 80 meters
- This article is to describe a multi band DX-dedicated antenna offering a minimum of compromises (such as lossy traps), for the hams not having any high-support
[ Hits: 4375 | Votes: 4 | Rating: 3.5 ]
- ON3JT vertical multiband hf antenna
- A simple and low cost multiband vertical hf antenna covering 5 bands (20m-10m) from an old CB antenna
[ Hits: 4150 | Votes: 2 | Rating: 6.5 ]
- Comparison Chart of Rx antennas
- Comparison chart for low-band receiving antennas
[ Hits: 1538 | Votes: 2 | Rating: 10 ]
- VHF UHF European Beacons
- MMMonVHF maintains the data for 6m, 2m, 70cm and 23cm bands in collaboration to LA0BY. This site allow display of a beacon map and latest beacon spots.
[ Hits: 2681 | Votes: 11 | Rating: 5.91 ]
- Low Band Monitor Awards
- The Low Band Monitor Awards Program is free to all subscribers and is based on operating achievements that occur during the 7-Month Season
[ Hits: 303 | Votes: 1 | Rating: 1 ]
- Low Frequency Transmission Modes
- Article by W1TAG on operating modes used on low-banding.
The 2200 meter band (135.7 - 137.8 kHz) is only 2.1 kHz wide, so voice work on SSB or AM is out. Find out the best modes on LF
[ Hits: 437 | Votes: 0 | Rating: 0 ]
- WideBand for Yaesu 817 857 897
pop
- Free Download of Widebander.
This software will allow you to extended TX for the Yaesu FT 857 FT 817 FT 897 and reset back to standard factory defaults.
Warining: this programs looks like not to be supported. Download and use it at your own risk.
[ Hits: 41146 | Votes: 65 | Rating: 6.14 ]
- FilterCAD
- A free computer aided design program to help users without special expertise in filter design to create filters using Linear Technology's monolithic filter ICs. With FilterCAD, you can design lowpass, highpass, bandpass and notch filters
[ Hits: 11759 | Votes: 28 | Rating: 5.03 ]
- AADE Filter Design
- Dowwnload this free windows programs to design Butterworth, Chebyshev, Elliptic (Caur), Bessel, Legendre and Linear Phase low-pass, high-pass, band-Pass, and band-reject filters. Coupled Resonator band-pass filters
[ Hits: 24826 | Votes: 113 | Rating: 7.16 ]
- Ipox5 voip remote link software
- Ipox5 is a free version of the commercial remote base fixed link system. It allows radio to radio links with PC users access, and is secure (ie private use for taxi companies and remote offices to access remote base etc)and works over broadband. It is designed to maintain a link and work under all conditions. There are no restrictions for non-commercial use.
[ Hits: 1319 | Votes: 5 | Rating: 10 ]
- KENWOOD TL-922 Modifications
- Allow 9 bands and 1300 Watt output on the TL-922 amplifier with this document by PA0FRI
[ Hits: 2844 | Votes: 9 | Rating: 3.89 ]
- Diplexer 2m 70cm
- This DIPLEXER separates 2m from 70cm on the same coax cable, and allows to use 2 antennas over the same cable and permits transmission on one band
and simultaneous receiption on the other band by hb9abx
[ Hits: 3790 | Votes: 12 | Rating: 7.75 ]
- QRP AM(cw) Transmitter for 10 meters
- In this project, you will make a simple low-power broadcast-type circuit, using a crystal oscillator integrated circuit and an a collector modulated AM oscillator.
[ Hits: 1239 | Votes: 2 | Rating: 10 ]
- W7IUV Low Band Preamp
- Pre amplifier using a 2N5109 for the 160 meters band
[ Hits: 2547 | Votes: 7 | Rating: 6.43 ]
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