all band

all band

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• Low Bands Battle Creek Antenna - PI4CC
  
  This antenna is designed for 40 80 and 160 meters to complement a tri band ...
  [ Hits: 137 | Votes: 0 | Rating: 0 ]

• Extended Double Zepp NVIS Antenna Calculator - WestMountainRadio
  
  Extended Double Zepp measurements for all ham bands and online calculator The antenna is constructed ...
  [ Hits: 125 | Votes: 3 | Rating: 7 ]

• 160-80-40 Metre Trapped V-Dipole - VK4ADC
  
  A Trapped dipole inverted V antenna for lower HF Bands Construction details are for temporary ...
  [ Hits: 110 | Votes: 0 | Rating: 0 ]

• 40m QRO End Fed Half Wave Antenna Coupler - AA5TB
  
  A medium power End Fed Half Wave Antenna coupler specifically tuned to the QRP frequency ...
  [ Hits: 105 | Votes: 0 | Rating: 0 ]

• Open-Folded W8JK Antenna for HF - F5NPV
  
  Originally designed by John Kraus W8JK in about 1940 this antenna has some interesting properties ...
  [ Hits: 141 | Votes: 1 | Rating: 3 ]

• Active 3-30 MHz Hula-Loop Antenna for Shortwave - Charles Wenzel
  
  This active antenna for the shortwave band provides surprising performance even indoors As the name ...
  [ Hits: 160 | Votes: 1 | Rating: 10 ]

• The Infamous Attic Dipole - AF4PS
  
  An attic wire antenna with several modifications during the time Began as a simple coax ...
  [ Hits: 102 | Votes: 0 | Rating: 0 ]

• Variations on a Dipole - AF7NX
  
  Antenna patterns are all about interference Presentation on wire antennas for HF bands Dipoles horizontal ...
  [ Hits: 98 | Votes: 0 | Rating: 0 ]

• Small DuoBand Antenna - DK7ZB
  
  This small dual band UHF VHF directional antenna is good choice for portable operations This ...
  [ Hits: 197 | Votes: 1 | Rating: 2 ]

• Build a W3DZZ Antenna - N2LNO
  
  The purpose of this construction is to enable the realization of an HF antenna called ...
  [ Hits: 219 | Votes: 1 | Rating: 1 ]

• The Squid Pole Wire Antenna Re-visited - VK4ADC
  
  The author explores enhancing the performance of a 7 meter fiberglass squid pole wire antenna ...
  [ Hits: 91 | Votes: 0 | Rating: 0 ]

• HF DXView Propagation Map - NG0E
  
  This map shows real time radio propagation from stations operating on 11 bands between 1 ...
  [ Hits: 304 | Votes: 5 | Rating: 7.6 ]

• Taking a look at the 900 MHz band - KB9MWR
  
  Use of the band as Amateur Radio is secondary in this band to federal radiolocation ...
  [ Hits: 50 | Votes: 0 | Rating: 0 ]

• 40 MHz 8m Band Amateur Radio Exploration - G3XBM
  
  The 8m ISM band a unique frequency range between 10m and 6m holds potential for ...
  [ Hits: 76 | Votes: 1 | Rating: 8 ]

• ICOM IC-R75 Review by N9EWO - N9EWO
  
  Icom IC R75 tabletop HF communications receiver came onto the market back in 1999 and ...
  [ Hits: 44 | Votes: 0 | Rating: 0 ]

• 20 W HF Power Amplifier - IN3OTD
  
  A HF power amplifier with a push pull of AFT09MS015N The small signal gain of ...
  [ Hits: 175 | Votes: 0 | Rating: 0 ]

• Band Decoder Arduino - buildthings
  
  Arduino ATtiny Based Ham Radio ICOM CIV to Yaesu BCD Band Decoder Build a ICOM ...
  [ Hits: 63 | Votes: 0 | Rating: 0 ]

• Arduino Iambic Keyer - AA5OY
  
  The author recounts their journey in ham radio including the initial experience with Morse code ...
  [ Hits: 79 | Votes: 0 | Rating: 0 ]

• 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 ]

• General Coverage Receiver LW MW SW - ON6MU
  
  This is a compact three transistor regenerative general coverage receiver with fixed feedback The sensitivity ...
  [ Hits: 200 | Votes: 0 | Rating: 0 ]

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