Motorola DynaTAC 8000X TACS mobile phone. Advanced Mobile Phone System (AMPS) is an analog mobile cell phone system standard developed by Bell Labs, and officially introduced in the Americas on October 13, 1983, Israel in 1986, Australia in 1987, and Pakistan in 1990.t was the primary analog mobile phone system in North America (and other locales) through the 1980s and into the 2000s. As of February 18, 2008, carriers in the United States were no longer required to support AMPS and companies such as AT&T and Verizon have discontinued this service permanently.
1 Liter = 1000 Milliliters. Liter (litre in british english) is a volume unit which equals to 1 cubic decimeter. It is commonly used in daily life to measure the fluids. 1 liter of water has a mass about 1 kilogram. The abbreviation is l. Milliliter (millilitre in british english) is a volume unit in metric system.
One teaspoon of liquid equals 5 ml, meaning 1 ml equals one-fifth of a teaspoon. There are 1,000 ml in one liter of liquid. The smallest quantity of liquid in the metric system is one milliliter, usually written as 1 ml, which is a thousandth of a liter. A liter is the base measure of liquid and is the equivalent of 32 fluid ounces, one quart or about four cups. One cup of liquid is about 250 ml. Dry quantities vary from liquid quantities in the metric system and are measured in grams and kilograms.