September 2015
60m in The Netherlands
According to the Dutch Amateur Radio Association VERON and the telecommunications authority Agentschap Telecom is expected in September the release of the frequency range 5350 kHz to 5450 kHz will take place in the Netherlands for the amateur service on a secondary basis for all operating modes
Dipole
Collecting material, clamps, insulators, hardware and other things...
Hardware
Making a MILSPEC broadband dipole @90' using fiberglass rods for support function of the UDC (Universale Dipole Connection Without balun...)
Preparation
Grease the bolds and cutting the glassfiber rod.
Suspension point
Using 6mm2 copper bronze antenna wire. The UDC should be attached to the Suspension point
Using hydrochloric acid 30% to clean the copper bronze antenna wire before brazing
Housing
Plastic housing with special attention form the anchorages. Using 7/16 female connectors with a solid copper plate for ground earth.
Interior
stainless steal bolds and copper connections. Preparation of the EH-E72 polyurethane resin. This is a two-part, filled polyurethane resin system good handling properties at room temperature, good working life, excellent water resistance, resistant to thermal shock, low exotherm, very low stresses during cure, low shrinkage, and very good electrical properties.
IEH-E72 polyurethane resin
1:5 mixing the two components. Typical Use for resin: Encapsulation of modules, strain sensitive circuitry, transformer coils, instrument transformers and current transformers
Antenna
Stainless steal material and firm material...
Tower
Dipole @90' water resistant plugs...
MARS FTDX5000
MARS is the Military Affiliate Radio Service. Using the FTDX5000 @5.400MHz you shouls make a innerconnection @ jumper `JP45xx / #05. After this mods, do a full MP reset.
