low band

259 links

7 Elements YAGI for 144 Mhz ^pop
The QM7 antenna is a simple 7 elements Yagi with 3 7 m boom length ...

[ Hits: 42750 | Votes: 49 | Rating: 5.87 ]
QM5 Yagi for 2 meters band - I0QM
The QM5 antenna is a simple 5 elements Yagi with 1 88 m boom length ...

[ Hits: 6869 | Votes: 4 | Rating: 5.25 ]
QM7 7 elements 144 MHz Yagi-Uda Antenna
The QM7 antenna is a simple 7 elements Yagi with 3 70 m boom length ...

[ Hits: 5361 | Votes: 15 | Rating: 5.27 ]

Beverage switching box - TK5EP
Sharing beverage antennas with this switch boxes is possible This article describes a 6 position ...

[ Hits: 5510 | Votes: 3 | Rating: 4.33 ]

Transmission Lines
Whenever you choose a coax feedline the frequency of operation is a very important consideration ...

[ Hits: 1275 | Votes: 0 | Rating: 0 ]

G5RV multi-band antenna
Multi band centre fed antenna capable of very efficient operation on all HF bands specifically ...

[ Hits: 7303 | Votes: 8 | Rating: 7.38 ]
Low reactance multiband center feed wires
An antenna system is more easily interfaced to a radio when the input reactance at ...

[ Hits: 2996 | Votes: 5 | Rating: 8.8 ]

A Small Wire Loop Antennas for 160 meters ^pop
Low noise receive only coax loop antennas for 160 10 meters HF bands ...

[ Hits: 49352 | Votes: 10 | Rating: 6.5 ]

Antennas for HF mobile operation ^pop
The following description should give you guidance on how to build a mobile antenna for ...

[ Hits: 90298 | Votes: 80 | Rating: 5.12 ]
Effective HF Mobile Antennas
Effective HF Mobile Antennas Keith WB2VUO explains difficulties on gaining antennas efficiency on lower bands ...

[ Hits: 7913 | Votes: 4 | Rating: 6.75 ]

Cubic Quad ^pop
The cubic quad is a very popular way to get reasonably high gain and excellent ...

[ Hits: 68069 | Votes: 64 | Rating: 5.08 ]

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

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

Freeband EQSO Server - Miguel �ngel 30MRDJ
Eqso server for eleven meter freebanders Only freebanders are allowed by this eqso server based ...

[ Hits: 3239 | Votes: 30 | Rating: 4.76 ]

Radio waves below 22 kHz
Exploring ULF-ELF and VLF radio band

[ Hits: 1258 | Votes: 6 | Rating: 7.83 ]

BR-universal-Filt - Bernd Reiser
Freeware real time DSP filter particularly for applications of amateur radios IIR FIR filter low ...

[ Hits: 6301 | Votes: 15 | Rating: 8.26 ]

Axis Spectrum Analyzer - Axis Software Company
Axis Spectrum Analyzer allows you to record audio along with sincronized 31 band spectrum analyzer ...

[ Hits: 11256 | Votes: 5 | Rating: 4.2 ]

converting Philips FM-92 E to 6 metres - Steve VK2KFJ
conversion of low band VHF Philips FM-92E to 6 metres

[ Hits: 1715 | Votes: 3 | Rating: 5.33 ]
converting AWA RT-85 E band to 6 metres - VK2KFJ
conversion of low band VHF AWA RT-85 transceiver down to 6 metres.

[ Hits: 1071 | Votes: 2 | Rating: 9 ]
converting AWA 25M-22 to 6 metres - VK2KFJ
conversion of low band VHF AWA 25M-22 carphone onto 6 metres.

[ Hits: 1016 | Votes: 2 | Rating: 4 ]
converting AWA 25M-1 to 6 metres - Steve VK2KFJ
conversion of low band VHF AWA 25M-1 carphone onto 6 metres.

[ Hits: 1246 | Votes: 1 | Rating: 10 ]