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• 13 cm Helix Antenna  ^pop
  
  Here is the design of a 2 4 GHz antenna that is ideal for amateur ...
  [ Hits: 65543 | Votes: 90 | Rating: 6.04 ]

• 160m to 10m Sterba Curtain Antenna
  
  Even if using a tuner this multiband antenna will let you operate from 160 to ...
  [ Hits: 10360 | Votes: 7 | Rating: 6.57 ]

• Patch antenna for APT - WlHDX
  
  The patch or microstrip antenna has become a common workhorse for the microwave spectrum from ...
  [ Hits: 1236 | Votes: 1 | Rating: 10 ]

• Antenna Gain to ERP
  
  A radio s transmitting power can be concentrated along the horizon by use of a ...
  [ Hits: 1386 | Votes: 4 | Rating: 4.5 ]

• Antenna Tuning Unit
  
  This homebrewed antenna tuning unit also incorporates a 50 ohm QRP dummy load power meter ...
  [ Hits: 7288 | Votes: 5 | Rating: 6.2 ]

• Dish 802.11 Wireless Networking Antenna
  
  This antenna modification is for the IEEE 802 11b networking protocol that operates at 2 ...
  [ Hits: 9443 | Votes: 8 | Rating: 6 ]

• V6 DX-pedition 2007
  
  Six members of the Japan Amateur Radio League JARL Kyoto Club made a DX pedition ...
  [ Hits: 357 | Votes: 0 | Rating: 0 ]

• The Toronto Marine Ham Radio Club
  
  Whilst Amateur Radio has a great history of invention and service to both business and ...
  [ Hits: 413 | Votes: 0 | Rating: 0 ]

• W6PW San Francisco Amateur Radio Club
  
  The S F A R C is one of the oldest organizations of it s ...
  [ Hits: 455 | Votes: 0 | Rating: 0 ]

• Near-Real-Time F2-Layer Critical Frequency Map
  
  This map can be used to determine the frequencies that will always be returned to ...
  [ Hits: 5271 | Votes: 24 | Rating: 4.84 ]

• Mod to allow separate RX and TX Antennas
  
  This modification will allow the use of separate receive and transmit antennas on the Kenwood ...
  [ Hits: 1212 | Votes: 2 | Rating: 5.5 ]

• TLDetails
  
  Transmission Line Details This utility program shows the impedance and SWR at both ends of ...
  [ Hits: 1206 | Votes: 4 | Rating: 9.25 ]

• ASCII to ADIFF
  
  This program will convert comma delimited ASCII files to ADIF format for import into a ...
  [ Hits: 1601 | Votes: 4 | Rating: 5.25 ]

• Test Tone Generator
  
  This Test Tone Generator TTG turns your PC into a function generator and enables you ...
  [ Hits: 14764 | Votes: 32 | Rating: 5.5 ]

• A low cost 600 watt ultra-linear amplifier  ^pop
  
  This compact little amplifier is the brain child of Pat Murdoch ZL1AXB in Auckland New ...
  [ Hits: 32139 | Votes: 27 | Rating: 6.67 ]

• Accurate Inductance Calculator
  
  This page allows you to calculate in the most accurate way high Q inductor coils ...
  [ Hits: 1156 | Votes: 3 | Rating: 6.33 ]

• A low cost dummy load
  
  This article describes a low cost low to moderate power dummy load which presents a ...
  [ Hits: 7764 | Votes: 8 | Rating: 5.75 ]

• Simple Reverse Polarity Protection
  
  This simple modification is applicable to pretty much any 12 volt operated positive earth equipment ...
  [ Hits: 1649 | Votes: 0 | Rating: 0 ]

• Roger Beep
  
  This article describes a simple device to generate Roger Beep tones.
  [ Hits: 1634 | Votes: 5 | Rating: 6.6 ]

• Made your Iambic keyer
  
  This iambic keyer uses a PIC16C84 or PIC16F84 microcontroller to generate the dot dash timing ...
  [ Hits: 4402 | Votes: 4 | Rating: 5.5 ]

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