SIST HD 477.3.3 S1:2002

SIST HD 477.3.3 S1:2002 is a Slovenski inštitut za standardizacijo standard for methods of measurement of equipment used in terrestrial radio-relay systems. It covers measurements for monochrome and colour television transmission over simulated radio-relay systems, and it adds to the measurements already given in Part 3, Section Two.

What does SIST HD 477.3.3 S1:2002 specify?

SIST HD 477.3.3 S1:2002 specifies additional measurement methods for monochrome and colour television transmission in simulated terrestrial radio-relay systems. In practice, it is the part of the series you use when the equipment under test is meant to carry television signals and you need measurement methods beyond the earlier section.

The standard is identified as the first edition and was issued in October 2002. Its ICS class is 33.060.30, which places it in the radio-relay and related transmission area.

What are the key requirements of SIST HD 477.3.3 S1:2002?

SIST HD 477.3.3 S1:2002 focuses on measurement methods rather than on product design. The key point is that it adds to the measurement set already established in Part 3, Section Two, so users should treat it as a supplement to that earlier material.

The most important practical points are:

• Measurements for television transmission - The standard addresses measurement of equipment carrying television signals. This matters because television transmission has performance needs that differ from other traffic, so the measurement approach has to suit the signal type.
• Monochrome television transmission - The standard includes methods for monochrome television. In practice, this means laboratories and manufacturers have guidance for verifying equipment with black-and-white television signals.
• Colour television transmission - The standard also covers colour television. That is important where the equipment must handle colour TV performance, which can reveal issues not seen with monochrome signals.
• Simulated radio-relay systems - The measurements are made on simulated systems. This matters because it lets users assess equipment under controlled conditions before field deployment or acceptance testing.
• Additional measurements - The document is not a full replacement for the earlier section of the series. It expands the measurement package already given in Part 3, Section Two, so users need both parts when they want the complete set of methods for this application.

For a buyer or test engineer, the practical takeaway is simple: this standard is the reference to use when the task is to measure television transmission performance on equipment for terrestrial radio-relay systems, using simulated test arrangements and the supplementary methods in this section.

What terms does SIST HD 477.3.3 S1:2002 define?

• Terrestrial radio-relay systems - Radio-relay systems used on land for transmission links between stations.
• Simulated systems - Controlled test arrangements that represent the radio-relay path so equipment can be measured under repeatable conditions.
• Monochrome television transmission - Transmission of black-and-white television signals through the equipment under test.
• Colour television transmission - Transmission of colour television signals through the equipment under test.
• Measurement methods - The procedures used to assess how equipment performs under defined test conditions.

Who uses SIST HD 477.3.3 S1:2002?

SIST HD 477.3.3 S1:2002 is used by people who measure, specify, or verify equipment for terrestrial radio-relay systems. Typical users include test engineers, laboratory staff, manufacturers, and quality managers.

It is relevant when the task is to check television transmission performance, compare equipment against the same test approach, or prepare acceptance and verification work for simulated system testing. Buyers and specifiers can also use it to understand what kind of measurement support a supplier should provide for television service equipment.

What does the SIST HD 477.3.3 S1:2002 document contain?

SIST HD 477.3.3 S1:2002 contains the standard identification, title, publication information, and scope for this section of the series. It presents the document as part of Methods of measurement of equipment used in terrestrial radio-relay systems, Part 3, Section 3.

The substantive content indicated by the title and scope is a set of additional measurement methods for monochrome and colour television transmission over simulated radio-relay systems. The document is meant to be read together with Part 3, Section Two, because it adds to the measurements already given there.

For users, that means this standard is a technical reference for test planning, laboratory measurement work, and performance verification of equipment intended for television transmission in terrestrial radio-relay applications.