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Antennas : 2M

• Budget-Friendly 5-Element Quad Antenna Design - KD6GLF
  
  Constructing a 5 element quad antenna the author aimed for low cost and simplicity resulting ...
  [ Hits: 121 | Votes: 1 | Rating: 7 ]

• Common-mode chokes - G3TXQ
  
  Chart that present results of impedance measurements made on a variety of common mode choke ...
  [ Hits: 608 | Votes: 2 | Rating: 4 ]
• RF Chokes - G3TXQ
  
  A chart presenting the results of impedance measurements made on a variety of common mode ...
  [ Hits: 907 | Votes: 2 | Rating: 7.5 ]
• Do not wind chokes on red toroids! - iz2uuf
  
  I happened to stumble across some antenna projects showing common mode chokes 1 1 baluns ...
  [ Hits: 188 | Votes: 0 | Rating: 0 ]

• Generation of Long-Delay Echoes
  
  Different theory models to explain generation of long delayed radio echoes by D B Muldrew ...
  [ Hits: 305 | Votes: 0 | Rating: 0 ]

• APRS Messenger program - Chris Moulding, G4HYG
  
  APRS over digimodes including PSK QPSK and GMSK with digipeating and two way HF internet ...
  [ Hits: 1654 | Votes: 6 | Rating: 9.17 ]

• ASAP
  
  Antenna Scatterers Analysis Program is a Free general purpose antenna analysis software program for numerical ...
  [ Hits: 14469 | Votes: 9 | Rating: 6 ]

• JMSK - Jonti Olds
  
  JMSK is a software modem that implements a good coherent MSK demodulator that has performance ...
  [ Hits: 372 | Votes: 2 | Rating: 5.5 ]

• AGW Packet Driver - SV2AGW
  
  SV2AGW packet radio driver runs TCP IP protocol over radio support windows and several devices ...
  [ Hits: 13769 | Votes: 29 | Rating: 4.59 ]

• Spectrum Analyzer Real-time FFT - Oleg Ya. Shmelyoff
  
  Eight channel Audio Spectrum Analyzer is a set of Real Time Multi Channel Gauges for ...
  [ Hits: 11316 | Votes: 9 | Rating: 7.77 ]

• 5th order High Pass VHF Filter
  
  Sometimes many VHF UHF modern transceivers have problems with BROADCAST Interference and CROSS modulation from ...
  [ Hits: 1211 | Votes: 8 | Rating: 6.12 ]
• Enhancing Frontend Performance with Optimized Band Pass Filters - PA3AKE
  
  This article explores the nuanced design challenges of Band Pass Filters BPF in radio receivers ...
  [ Hits: 82 | Votes: 0 | Rating: 0 ]

• DIY EMC/RFI Mains Filter for a Clean Shack - M0PZT  ^updated
  
  Utilizing snap on ferrite cores and practical insights the author enhances their shack s cleanliness ...
  [ Hits: 156 | Votes: 2 | Rating: 9.5 ]