Notes and Hints on Completing
The NZART FORM 10 2010-10-04

The attached version of NZART Form 10 replaces all others. Please do not use old versions. The changes since the last version were necessary to obtain the extra information required by the certifying engineer and the MED Licensing Section.

Permanent Location, From Topo50 map

The MED requires the station location to better than 100 metres accuracy. This corresponds to 2 mm on the Topo50 map. Please ensure that any GPS unit is set to the “NZ 2000” geodetic datum option. Please see page 13 of Jan/Feb 2001 Break-In for more details.

Antenna Gain (dB isotropic)

The MED requires the (dB isotropic) antenna gain to better than 1 dB accuracy. There are two references for gain: dB isotropic (dBi) and dB dipole (dBd). There is 2.1 dB difference between these two references. FMTAG will work out the (dB isotropic) gain, if it is not known, from your description of the antenna.

Distances to Other Nearby Antennas (m) and Other Technical Details

The MED requires FMTAG to calculate the likely levels of intermodulation from the inter-station coupling. This factor includes the inter-antenna coupling, between the antennas of the existing stations and the antenna of the proposed station, and the off-frequency attenuation of the filters, duplexers, circulators, feeder loss, etc. FMTAG can calculate the inter-station coupling from the relative orientation and distance between antennas, and the make and model of the other equipment. Please ignore all antennas more than 10 wavelengths away, for example, more than 20 metres away at the 2-metre band. Please include all antennas for the other stations operating on frequencies between half and twice the frequency of the proposed station, for example, all antennas between 72 MHz and 296 MHz for a 2 metre station. However, please include all Amateur antennas, because of the harmonic relationship between most of the Amateur bands. The relative antenna orientation also affects the inter-antenna coupling. A simple sketch is most useful.

Make and Model Number

Home made equipment is acceptable to the MED. Please put “Amateur” followed by the surname of the constructor, in the applicable space. However, for the protection of the Repeater Trustees, the equipment should be tested to ETS 300684, prior to being turned on. ETS 300684 is about 10 dB stricter than RFS25, for FM voice transmitters, and 10 dB stricter than RB16, for ATV transmitters. The MED requires unwanted emissions outside the Amateur bands to comply with ETS 300684. The level of unwanted emissions is also determined by the inter-station coupling. The MED has the right to require that unwanted emissions are suppressed to a greater extent than required by ETS 300684, and to turn off a station until the necessary measures, such as additional filters or circulators, are taken to achieve this.