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• Rectangular Loop antenna for 2 meter band - VK1NAM
  
  An interesting and easy to build loop antenna for VHF bands that present a feedpoint ...
  [ Hits: 279 | Votes: 1 | Rating: 1 ]

• 6 Meter Quad Turnstile Antenna - high on solder
  
  A quad turnstile consists of two cubical quad loops oriented in a diamond configuration and ...
  [ Hits: 370 | Votes: 1 | Rating: 10 ]

• ZS6KMD 20-40m Multiband Dipole - ZS6KMD
  
  The dipole shown in this document is installed in an inverted Vee configuration with two ...
  [ Hits: 538 | Votes: 0 | Rating: 0 ]

• Quad for 10 and 15 meters - KA3PDM
  
  A light and sturdy Quad for 10 and 15 meters Basic Quad antenna design considerations ...
  [ Hits: 338 | Votes: 0 | Rating: 0 ]

• L-Match Tuner Build for QRP Operation - Ryan Flowers
  
  An L Match tuner is a device that can add either inductance L or capacitance ...
  [ Hits: 186 | Votes: 0 | Rating: 0 ]

• Building a VHF Contest Station - W5ZN
  
  Building an amateur station for competitive radiosport involves a number of critical steps regardless of ...
  [ Hits: 338 | Votes: 1 | Rating: 4 ]

• 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 ]

• Field Day Operations in Australia - VK4ADC
  
  A page with lots of pictures of John Moyle Field Day 2012 operating from 80 ...
  [ Hits: 98 | Votes: 0 | Rating: 0 ]

• Global Ionosphere Radio Observatory - GIRO
  
  In cooperation with the URSI Ionosonde Network Advisory Group INAG the LGDC promotes cooperative agreements ...
  [ Hits: 125 | 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 ]

• Configure FLDigi on MacOSX to IC-7100 - VK3ERW
  
  Ho to properly configure the FLDigi software running on a MacOS to connect to the ...
  [ Hits: 197 | Votes: 1 | Rating: 1 ]

• The FT-817 Calibration Menu - KA7OEI
  
  One of the interesting features of the FT 817 is that many of the conventional ...
  [ Hits: 129 | Votes: 0 | Rating: 0 ]

• Soundmodem UZ7HO - UZ7HO
  
  Soundmodem is a free software defined dual port Packet Radio TNC that implement a soundcard ...
  [ Hits: 609 | Votes: 1 | Rating: 1 ]

• 600W LDMOS Power Amplifier - HG7AN
  
  A comeplete home made 600W LDMOS RF power amplifier Settings can be made on a ...
  [ Hits: 887 | Votes: 1 | Rating: 10 ]

• 100W UHF Linear Amplifier - M1GEO
  
  This page details my building of a 100 Watt Power Amplifier for the 432 MHz ...
  [ Hits: 193 | Votes: 0 | Rating: 0 ]

• Repair or Replace Electrolytic Capacitors - W6OVP
  
  For low voltage applications like cathode bypass capacitors most vintage types have an axial configuration ...
  [ Hits: 122 | Votes: 1 | Rating: 6 ]

• The K4ICY Minty Keyer - K4ICY
  
  Build your own 3 IC Iambic Electronic Keyer Here you will find schematics and operation ...
  [ Hits: 121 | Votes: 0 | Rating: 0 ]

• Collins KWM-2 Modification - WB2ZKW
  
  Modifying the Collins KWM 2 for Serious CW Operation Make this old SSB workhorse perform ...
  [ Hits: 185 | Votes: 0 | Rating: 0 ]

• Setup Packetradio on a Raspberry - HB1BBS
  
  A quik guide to install direwolf bpq and jnos on a Raspberry Pi if you ...
  [ Hits: 117 | Votes: 1 | Rating: 10 ]

• WiFI vSWR Meter - PE2ER
  
  When building antennas for the Wifi band Like the 8dBi omni a need for an ...
  [ Hits: 131 | Votes: 2 | Rating: 3.5 ]

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