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• VHF Collinear-Dipole
  
  2 m. Band VHF Collinear with 2 Dipoles by sv1bsx
  Votes: 23 | Rating: 4.22

• Coaxial Transmitting Chokes
  
  Understanding Common Mode and Differential Mode Currents on Transmission Lines by K9YC
• The Coaxial Line
  
  Impedance matching, Transmission Lines, Characteristic Impedance, VSWR & Mismatch and Antenna Losses

• Noise Reduction on 40m
  
  DF9CY implementation of W1HIS suggestion of inserting a common mode choke into a 40m antennas ...
  By Christoph

• [TowerTalk] Open Wire Line
  
  Discussion about open wire line on tower talk
• Two-Wire Open Line
  
  Article on various type of transmissium medium like parallel lines twisted pairs shielded pairs coax ...
  Votes: 1 | Rating: 7
• Multiband Open Wire Antennas
  
  Why Multi-band Dipoles Need HEAVY Open Wire Line by Tom, K1JJ
  Votes: 1 | Rating: 9
• Open Wire Feed Line a second look
  
  Put up the longest dipole you can fit feed it with open wire line connect ...
  By N1II - Votes: 8 | Rating: 6.69

• Polarization, lines of force
  
  While polarisation may seem insignificant compared with other considerations in setting up a communications system ...

• Emtron
  
  HF Linear amplifiers and power supplies manufacturer
  Votes: 1 | Rating: 1

• ICOM IC-706MKIIG Tech Note
  
  If your IC 706MKIIG will not power up without even hearing a relay click check ...
  Votes: 9 | Rating: 7.22

• Bob's Electronics
  
  Bob s Electronics serve a wide market of customers throughout the Midwes supports brand names ...
  Votes: 1 | Rating: 6

• Demis Web Map Server
  
  A good online map service useful for ACARS map generation
  Votes: 6 | Rating: 6.67

• AADE Filter Design  ^updated
  
  Dowwnload this free windows programs to design Butterworth Chebyshev Elliptic Caur Bessel Legendre and Linear ...
  By AADE - Votes: 115 | Rating: 7.13

• linSmith - Smith chart utlity
  
  A Smith charting program You can enter either discrete components or transmission lines see the ...
  By John Coppens - Votes: 1 | Rating: 10

• ptt2dtr
  
  Translates CAT PTT commands into COM port DTR line changes Use COM port PTT instead ...
  By Norbert Varga - Votes: 5 | Rating: 7.2

• RF Amplifier basics
  
  Introduction to RF power amplifiers. Basics and guidelines. by wb0nni
  Votes: 1 | Rating: 1

• Amplifier for 15 and 17 meter band
  
  The two linear amplifiers are ment for use with QRP SSB CW FM AM transmitters ...

• HV power supplies
  
  WV0NNI 2 800 VDC 2 Amps Continuous Variac adjusts filament voltage A voltage doubler circuit ...
  Votes: 1 | Rating: 5

• Rig - Computer CW Interface
  
  Make your own interface two schematics for building an interface using the RTS line by ...
  Votes: 2 | Rating: 9

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