free space

free space

Antennas : 2M

• Squarooka Antenna - squared bazooka for 2 meters band - DL1GSJ
  
  Sort of similar to the one of the 6m omni Instead of using twin lead ...
  [ Hits: 357 | Votes: 0 | Rating: 0 ]

• 80m Shortened Dipole Antenna - DL2HRF  ^updated
  
  This antenna just requires about 24m of free space instead of 41m that a normal ...
  [ Hits: 155 | Votes: 1 | Rating: 1 ]

• Concealed DSS J-Pole
  
  The idea here is to have my antenna high in the air in free space ...
  [ Hits: 8262 | Votes: 3 | Rating: 10 ]
• Exploring The J-Pole Antenna - AA1ZB
  
  The J Pole antenna is a common omnidirectional antenna used in amateur radio particularly on ...
  [ Hits: 143 | Votes: 0 | Rating: 0 ]

• Which part of a dipole radiates most? - PA3FWM
  
  The title may seem a strange question Still it is often said that the part ...
  [ Hits: 157 | Votes: 1 | Rating: 9 ]

• NBEMS Primer - suwanneearc
  
  The Narrow Band Emergency Messaging System NBEMS pronounced N beams is a suite of software ...
  [ Hits: 246 | Votes: 0 | Rating: 0 ]
• Narrow Band Emergency Messaging System (NBEMS) - w9tca
  
  The Narrow Band Emergency Messaging System is a suite of software programs designed for point ...
  [ Hits: 130 | Votes: 0 | Rating: 0 ]

• Google Earth 4-D Inonosphere
  
  Free real time Earth Space 4 D global 4 D ionosphere using Google Earth by ...
  [ Hits: 811 | Votes: 5 | Rating: 7.4 ]

• QSL.NET
  
  Managed by k3tkj offer to ham radio operators free space for web pages and email ...
  [ Hits: 490 | Votes: 2 | Rating: 5.5 ]

• EiBi shortwave schedules - Eike Bierwirth
  
  The current EiBi shortwave radio schedules contains an update aggregated list of radio broadcasting stations ...
  [ Hits: 352 | Votes: 0 | Rating: 0 ]

• Scanrec Scanner Recorder
  
  Scanner Recorder Scanrec is a free audio recorder that is primarily designed to record speech ...
  [ Hits: 15546 | Votes: 53 | Rating: 6.82 ]

• NBEMS
  
  The Narrow Band Emergency Messaging System NBEMS for Windows is a suite of software programs ...
  [ Hits: 1308 | Votes: 1 | Rating: 10 ]

• Orbitron - Sebastian Stoff
  
  Orbitron is a freeware cardware application dedicaed to satellite tracking Allow tracking of ISS Iridium ...
  [ Hits: 17178 | Votes: 40 | Rating: 7.24 ]

• Sigmira
  
  Sigmira is a free Software Defined Radio SDR application program that runs on Windows and ...
  [ Hits: 1939 | Votes: 2 | Rating: 10 ]

• Pathloss Calculation and EME - DF9CY
  
  Java free space pathloss calculation and EME
  [ Hits: 2506 | Votes: 46 | Rating: 4.99 ]