orion 2

orion 2

Antennas : 80M

• K9AY terminated loops for 75m - It is very compact, low noise and directive with an impressive 20 to 25 dB front to back
  [ Hits: 363 | Votes: 0 | Rating: 0 ]

• G5RV multi-band antenna - Multi-band centre-fed antenna capable of very efficient operation on all HF bands, specifically designed with dimensions which allow it to be installed in gardens and other open spaces which accommodate a reasonably-straight run of 31.1m (102 ft) for the flat-top standard model.
  [ Hits: 7302 | Votes: 8 | Rating: 7.38 ]
• G5RV multi-band antenna construction guide  ^pop - Excellent guide to build your own G5RV antenna by Lombry
  [ Hits: 38821 | Votes: 60 | Rating: 6.49 ]

• Top Loaded vertical antennas - Simulation of a top loaded vertical antenna for 1.2 MHz
  [ Hits: 458 | Votes: 0 | Rating: 0 ]

• Equipment for portable HF operations - An excellent and comprehensive article on portable HF operations with attention on selecting proper equipment
  [ Hits: 455 | Votes: 0 | Rating: 0 ]

• QST : Kenwood TS-2000 review - Product review & short takes columns from QST magazine
  [ Hits: 7852 | Votes: 12 | Rating: 7.66 ]

• Ten Tec eHam Reviews - eHam users review of the Ten-Tec Orion transceiver
  [ Hits: 467 | Votes: 1 | Rating: 10 ]
• ON4UN and the Ten-Tec Orion - Ten Tec ORION review by ON4UN after several months of usage
  [ Hits: 1432 | Votes: 1 | Rating: 10 ]

• Dynamic range measurements - Comparison of FT-1000D FT-736R FT-817 FT-847 FT-897 IC-765 Orion TS-2000 Spectral purity of a continous carrier, of a SSB and CW signals
  [ Hits: 770 | Votes: 0 | Rating: 0 ]

• DX Activities of ONL5183 - Whith more than 20 years of ham practicen SWL Thierry LOMBRY, alias ONL5183, has written several technical pages about ham activities, including propagation, radio perturbations, radioastronomy, DXing, QSLing, ham-spirit, review of material and more. This very interesting website is completed by a large French section devoted to amateur astronomy illustrated with vivid colors pictures.
  [ Hits: 1065 | Votes: 3 | Rating: 6.33 ]

• NEC4WIN - NEC4WIN is a 32 bits commercial antenna simulation software based on MININEC3 developed by the Naval Ocean Systems Center in the 70s and 80s. It runs under Windows and can be used to simulate, analyze and optimize wire antennas, beams, verticals, etc. NEC4WIN has limitations. They are the same as Mininec3 on which the engine is based.
  [ Hits: 1875 | Votes: 2 | Rating: 7 ]