EVGRAY Archive

On Tram model 1411 and Harvest D130 Discones

Database ID: 108568
2018-06-27T16:02:46+00:00
triadutrad <[email protected]> <[email protected]>

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After extensive reverse engineering and structural & electrical and material analysis of the 2 mentioned models i don't advice to use with any radio as the design is flawed and you simply are throwing your money away " 

Tram 1411 coil gets water logged and after RF arcing & will damage your radio
specially in 11-10 meter bands  

Radials design is ok ...stainless but the aluminum pipe bottom adapter gets trashed with electrolysis 

Harvest D130 upper coil design  is just an screw in spring that will arc heat up and burn under hi RF power  also possibly damaging your radio 
its aluminum radials rust off really fast electrolisys water also gets inside  the connector be it n or PL 259 

Anyone interested in antenna manufacture can contact me for substitute designs ...or lets pitch in and design our own antenna ? anyone willing  to buy Tram stock after they go bankrupt  with their junk ? 



(H)

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Subject On Tram model 1411 and Harvest D130 Discones
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