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Cossor Radios
Single and Multi Channel Radios enable voice comms to/from ATC to aircraft
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UK FRR 619 & 620
Single Channel Rx
• United Kingdom Fixed Radio Receiver
• 619 – VHF Receiver
• 620 – UHF Receiver
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UKFRT 621 & 622
Single Channel Tx
• United Kingdom Fixed Radio Transmitter
• 621 – VHF (117 – 137 MHz) low power 20 Watts
• 622 – UHF (225 – 400 MHz) low power 20 Watts
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UKFRT 623 & 624
• Single Channel Transmitters with 100 Watt Amplifiers attached.
• Improves range to approx 60 miles
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Single Channel Disadvantages
• Time consuming to set up
• Transmitter subject to valve aging
• Restricted to one frequency
• Prone to tripping
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Where is it located?
Airfields
Air Defence Radar sites(including Convoys)
Cossor Multi-Channel
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Equipment Frequency Range
Freq:- • 117-136.975 MHz (VHF)
or
• 225 - 399.975 MHz (UHF)
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Equipment Power
Power O/P • UHF 20 Watts or 100 Watts
• VHF 20 Watts only
Amplitude modulation
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The equipment can be operated locally• By the use of a plug in hand held mic. for TX.
• By the use of earphone headset for RX.
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The TX & RX equipment can be operated remotely.• By the use of BT lines for Audio.
• By the use of BT lines and or Data link for frequency selection.
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Equipment Configuration
• Stand alone TXER, local or remote operation for both audio and frequency change data.
• Stand alone RXER , local or remote operation for both audio and frequency change data.
• Transeiver (TX/RX integrated system) local or remote operation. For both audio and frequency change data.
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