all freq

all freq

Pages: [prev] 1 2 3 4 5 6 7 8 9 [next]

• Make your own 2 metre 5/8 whip antenna - VK4ADC
  
  This article is about a home made project of a whip antenna for 2 meters ...
  [ Hits: 388 | Votes: 1 | Rating: 5 ]

• Calculate Antenna Lenght in feet, inches and meters - K7TJO
  
  Inches and meters Javascript Wavelength Calculator allow to input a frequency in MHz and calculate ...
  [ Hits: 504 | Votes: 3 | Rating: 4.67 ]

• Fan Dipoles 10/15/20m and 12/17/30m - DK7ZB
  
  How to build Fan Dipoles by DK7ZB Experiences with various band combinations Not all combinations ...
  [ Hits: 491 | Votes: 2 | Rating: 9.5 ]

• Tuning Antenna Traps - VK4ADC
  
  The problem with making your own trapped HF antennas is usually getting the coaxial traps ...
  [ Hits: 276 | Votes: 2 | Rating: 6.5 ]

• Long Wire Antenna for portable operations - VK6YSF  ^updated
  
  With the view to establish a quick and easy multi band antenna deployment for portable ...
  [ Hits: 806 | Votes: 14 | Rating: 8.36 ]

• HG7AN Antenna Analyzer - HG7AN
  
  Antenna Analyzer plus 500 is a multifunctional measuring instrument very useful for amateur radio activity ...
  [ Hits: 266 | Votes: 1 | Rating: 10 ]

• Recognition of CW signs at different listening levels and frequencies - PubMed
  
  The recognition of telegraphy masked by noise at 40 and 80 signs min telegraphy speed ...
  [ Hits: 81 | Votes: 1 | Rating: 7 ]

• Ham Radio: Using Repeaters - ylab
  
  The most basic form of repeater receives communication on one frequency and re transmits at ...
  [ Hits: 92 | Votes: 1 | Rating: 8 ]

• HF communication prediction tools - BOM
  
  Online HF Communication prediction system provided by the Australian Governament Buerau of Metereology allow to ...
  [ Hits: 169 | Votes: 0 | Rating: 0 ]

• Icom 706MkIIG Frequency Calibration - kv5r
  
  Unlike older radios the 706 uses only one crystal oscillator called the Master Oscillator All ...
  [ Hits: 214 | Votes: 2 | Rating: 9 ]

• FT991 MARS Mod - FT991
  
  This modification will expand the tx frequency range of the Yaesu FT 991 from allowing ...
  [ Hits: 932 | Votes: 5 | Rating: 3 ]

• BktDxCluster for Android - IZ2BKT
  
  With BktDxCluster you can connect to all DX Cluster with DXSpider Protocol and telnet connection ...
  [ Hits: 202 | Votes: 2 | Rating: 8 ]

• Zplots - Impedance Plots with MS Excel Charts - AC6LA
  
  Zplots is an Excel application that allows you to plot impedance and related data obtained ...
  [ Hits: 297 | Votes: 0 | Rating: 0 ]

• WSQCall A Weak Signal QSO mode for LF/MF - zl1bpu
  
  Amateur Radio enthusiasts who are interested in the LF and MF bands may be familiar ...
  [ Hits: 187 | Votes: 0 | Rating: 0 ]

• VHF-UHF Diplexer - TB2HL
  
  Diplexer is a passive device a special filter circuit that seperates 2 different bands not ...
  [ Hits: 1143 | Votes: 2 | Rating: 5 ]

• Frequency counter project - QRP Labs
  
  This project includes quite a number of useful testing features which were very useful when ...
  [ Hits: 128 | Votes: 0 | Rating: 0 ]

• Preventing CW key clicks - stackexchange
  
  Key clicks are generally undesired clicks or thumps generated by a CW transmitter as the ...
  [ Hits: 93 | Votes: 0 | Rating: 0 ]

• WSPR monitoring with RTL-SDR and Raspberry Pi - VK6FLAB
  
  The goal of this interesting project is to monitor a particular set of frequencies for ...
  [ Hits: 201 | Votes: 0 | Rating: 0 ]

• Cross Band Repeaters - W9SM
  
  Crossband Repeating is a process where a Ham transmits one signal on one band typically ...
  [ Hits: 207 | Votes: 0 | Rating: 0 ]

• ADF4351 Signal Generator - CT2GQV
  
  Just a simple signal generator based on ADF4351 module from fleebay allows you to generate ...
  [ Hits: 149 | Votes: 2 | Rating: 10 ]

Pages: [prev] 1 2 3 4 5 6 7 8 9 [next]