TX: 144.73 MHz
TX tone: 88.5 Hz
RX: 145.33 MHz

OPERATING THROUGH REPEATERS

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Compared to simplex communication, you can usually

REPEATER ACCESS

 

 

 

 

transmit over much greater distances by using a repeater.

Most Amateur Radio voice repeaters use a separate

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Repeaters are typically located on a mountain top or other

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elevated location. Often they operate at higher ERP

receive and transmit frequency. The transmit frequency

(Effective Radiated Power) than a typical station. This

may be higher or lower than the receive frequency but the

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combination of elevation and high ERP allows

difference in frequencies will be a standard amount, or

 

communications over considerable distances.

"standard split". You can set a separate receive and

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Repeaters are often installed and maintained by radio

transmit frequency by selecting the offset frequency and

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offset direction with respect to the receive frequency.

clubs, sometimes with the cooperation of local businesses

In addition, some repeaters may require the transceiver to

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involved in the communications industry. During

emergencies, repeater networks can be a valuable aid to

transmit a tone before the repeater can be used. To

 

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officials responsible for coordinating communications in a

transmit this required tone, activate the Tone function and

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community.

select a tone frequency. The required tone frequency

 

 

 

 

 

depends on the repeater you are accessing.

 

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Most repeater configurations fall into one of the following

 

 

 

 

 

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categories:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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Offset

TM-V7A/ E

TM-V7A

 

TM-V7E

 

 

 

 

 

Direction

VHF

UHF

 

UHF

 

 

 

 

 

 

 

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+

+600 kHz

+5 MHz

 

+1.6 MHz

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–600 kHz

–5 MHz

 

–1.6 MHz

 

 

 

 

 

 

 

 

 

 

 

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– (" ")

N/A

N/A

 

–7.6 MHz

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TX: 144.73 MHz

 

 

 

 

 

 

 

 

 

 

N/A: Not applicable

 

 

 

 

TX tone: 88.5 Hz

 

 

 

 

 

 

 

 

 

 

 

 

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RX: 145.33 MHz

 

 

 

 

 

 

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Page 28
Image 28
Kenwood TM-V7A Operating Through Repeaters, Compared to simplex communication, you can usually, +600 kHz +5 MHz +1.6 MHz

TM-V7A specifications

The Kenwood TM-V7A is a sophisticated dual-band transceiver that has garnered the attention of amateur radio enthusiasts worldwide. Designed for VHF and UHF operations, it offers a plethora of features that enhance communication capabilities and provide a robust user experience.

One of the standout characteristics of the TM-V7A is its dual-vfo (variable frequency oscillator) configuration, which allows users to monitor two frequencies simultaneously. This feature is particularly useful for coordinating communications across different bands or for listening to two channels at once. The large, bright LCD display provides clear visibility of the operating frequency, with the ability to monitor a wealth of information, including received signal strength and battery voltage.

The TM-V7A supports a wide range of operating modes, including FM, AM, and SSB, making it versatile enough for different communication needs. The device is compatible with CTCSS (Continuous Tone-Coded Squelch System) and DCS (Digital-Coded Squelch), which adds significant convenience for group communications by reducing unwanted noise and interference.

Another important feature is its built-in APRS (Automatic Packet Reporting System) functionality. This allows operators to transmit their position automatically and share information with other APRS users. The built-in GPS capability enhances this feature, providing accurate location tracking that can be particularly beneficial during emergency response situations or for outdoor events.

For enhanced audio quality, the TM-V7A is equipped with a high-performance audio filter and variable bandwidth control. This allows operators to tailor the audio output based on the conditions of the band and personal preferences, improving clarity and intelligibility during conversations.

The transceiver is also designed with user-friendly navigation. The intuitive menu system enables easy access to settings and configurations, allowing operators of all experience levels to operate the radio effectively. Customization options further enhance user experience, with programmable memories allowing operators to save frequently used frequencies and settings.

The Kenwood TM-V7A’s rugged build quality ensures durability, making it suitable for both home and field operations. Its compact design allows for easy installation in vehicles or portable setups, making it an excellent choice for both casual users and serious amateur radio operators. Overall, the Kenwood TM-V7A stands out as a feature-rich transceiver capable of meeting the diverse needs of the amateur radio community, combining advanced technology with practical functionality.