Cossor Radios

Single and Multi Channel Radios enable voice comms to/from ATC to aircraft

UK FRR 619 & 620

Single Channel Rx

• United Kingdom Fixed Radio Receiver

• 619 – VHF Receiver

• 620 – UHF Receiver

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

UKFRT 623 & 624

• Single Channel Transmitters with 100 Watt Amplifiers attached.

• Improves range to approx 60 miles

Single Channel Disadvantages

• Time consuming to set up

• Transmitter subject to valve aging

• Restricted to one frequency

• Prone to tripping

Where is it located?

Airfields

Air Defence Radar sites(including Convoys)

Cossor Multi-Channel

Equipment Frequency Range

Freq:- • 117-136.975 MHz (VHF)

or

• 225 - 399.975 MHz (UHF)

Equipment Power

Power O/P • UHF 20 Watts or 100 Watts

• VHF 20 Watts only

Amplitude modulation

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.

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.

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.