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"Weather By Giannetta"

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Picture of the NOAA Weather Radio console at the National Weather

Service Office at the Allentown-Bethlehem-Easton Airport,
Now The Lehigh Valley International Airport, Allentown, Pa.
USA before the office closed.

NOAA...The National Oceanic and Atmospheric Administration operates NOAA Weather
Radios 24 hours a day 7 days a week over hundreds of NOAA Radio Weather Stations.

The broadcasts are on seven radio FM frequencies: 162.40 to 162.55 megahertz (MHz).

The broadcasts can be heard as far as 40 miles away from the transmitting antenna.

Below is a list of the radio frequencies which these broadcasts may be heard.

1. 162.400 MHz
2. 162.425 MHz
3. 162.450 MHz
4. 162.475 MHz
5. 162.500 MHz
6. 162.525 MHz
7. 162.550 MHz


...."FREQUENCIES"...


1. 10kHz  - 30 kHz    = Very Low Frequency. (VLF)
2. 30 KHz - 300 kHz   = Low Frequency. (LF)
3. 300 kHz - 3 Mhz    = Median Frequency (MF)
4. 3 MhZ - 30Mhz      = High Frequency. (HF)
5. 30 Mhz - 328.6 Mhz = Very High Frequency. (VHF)
6. 328.6 - 2.9 Ghz    = Ultra High Frequency. (UHF)
7. 2.9 Ghz - 30 Ghz   = Super High Frequency. (SHF)
8. 30 Ghz & Above     = Extremely High Frequency. (EHF)



Meteorology              Charles A. Giannetta
                               Meteorologist - Professor 


"NOAA Weather Radio"    
 
   
   NOAA Weather Radio is a service of the National Oceanic and Atmospheric
Administration (NOAA) of the U.S. Department of Commerce. It provides
continuous broadcasts of the latest weather information directly from the
National Weather Service Offices.

   Weather messages are repeated every four to six minutes and are routinely
revised every one to three hours, or more frequently if needed.

   Most of the stations operate 24 hours daily. The broadcasts information
needs of people within the receiving area.

   During severe weather, National Weather Service forecasters can interrupt
the routine weather broadcasts and substitute special warning messages. The
forecasters can also activate specially designed "Warning Receivers." Such
receivers either sound and alarm indicating that an emergency exists, alerting
the listener to turn the receiver up to an audible volume: or, when operated in
a muted mode, are automatically turned on so that the warning message is heard.

"Warning Alarm"    
 
   "Warning Alarm" receivers are especially valuable for schools, hospitals,
public-safety agencies and news media offices.

   "NOAA Weather Radio" broadcasts can usually be heard as far as 40 miles
from the antenna site, sometimes more. The effective range depends on many 
factors, particularly the height of the broadcasting antenna. As a general 
rule, listeners close to or perhaps beyond the 40 mile range should have 
a good quality receiver
system.

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