20-566.fm Page 42 Thursday, August 5, 1999 8:04 AM

Primary Usage

As a general rule, most of the radio activity is concentrated on the following frequencies:

VHF Band

Activities

Frequencies

Government, Police, and Fire

153.785–155.980 MHz

Emergency Services

158.730–159.460 MHz

Railroad

160.000–161.900 MHz

UHF Band

Activities

Frequencies

Land-Mobile “Paired”

450.000–470.000 MHz

Frequencies

 

Base Stations

451.025–454.950 MHz

Mobile Units

456.025–459.950 MHz

Repeater Units

460.025–464.975 MHz

Control Stations

465.025–469.975 MHz

Note: Remote control stations and mobile units operate at 5 MHz higher than their associated base stations and relay repeater units.

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Radio Shack PRO-72 owner manual Primary Usage, Activities

PRO-72 specifications

The Radio Shack PRO-72 is a compact and versatile handheld scanner that has garnered a dedicated following among scanning enthusiasts and casual users alike. Renowned for its user-friendly design and robust feature set, the PRO-72 brings a wealth of scanning capabilities to the palm of your hand.

One of the most notable features of the PRO-72 is its ability to receive a vast range of frequencies, typically spanning from 29 MHz to 512 MHz. This wide frequency coverage allows users to monitor various communications, including police, fire, emergency services, aviation, and amateur radio transmissions. The scanner supports both conventional and trunked systems, making it adaptable for different types of communications used by various agencies.

The PRO-72 is equipped with 100 programmable channels, allowing users to organize and store their preferred frequencies efficiently. This feature makes it easier to switch between channels without manually tuning. Users can also take advantage of the scanner's built-in search function, enabling them to explore unidentified frequencies across the entire range.

When it comes to technologies, the PRO-72 incorporates a Digital Signal Processor (DSP) that enhances audio clarity and reduces background noise. This feature ensures that users receive clear and intelligible audio, even in busy radio environments. Additionally, the scanner supports CTCSS (Continuous Tone-Coded Squelch System) and DCS (Digital-Coded Squelch) features, which help filter out unwanted transmissions, further enhancing the user experience.

The scanner’s backlit LCD display adds to its usability, ensuring visibility in low-light conditions. The ergonomic design features easy-to-use controls, making it accessible for beginners while still offering advanced options for seasoned operators. The portable nature of the PRO-72, often powered by standard AA batteries, makes it an ideal companion for outdoor activities like camping or emergency preparedness.

In conclusion, the Radio Shack PRO-72 is a feature-rich handheld scanner that successfully blends ease of use with advanced technology. Its wide frequency coverage, programmable channels, and impressive audio clarity make it an excellent choice for anyone looking to explore the world of radio communications. Whether for leisure or practical applications, the PRO-72 continues to be a reliable tool for communication enthusiasts.