GB3DE 70 cms Repeater

• RB7 - Input 434.775 MHz
• RB7 - Output 433.175 MHz
• Repeater Keeper - Stefan, G1NRL
• CTCSS access - 110.9Hz (RSGB tone 'H')
• Tone Burst access enabled
• Only carrier reaccess necessary

• MORE DETAILS

• Power - 5dBW ERP
• Transmitter - Icom 449 (donated by EARS, Essex Amateur Radio Services)
• Receiver - Kenwood 451E
• Cavities - 4 Procom professional. ~1dB insertion loss, ~80dB rejection
• Antenna - 2 ele beam, bearing 80 degrees
• Polarisation - vertical
• Antenna height - 55m agl, 116m amsl (380 feet amsl)

Pictures

• Repeater Tower (117k)

• GB3DE Repeater (124k)

• Cavities plus extra homemade cavity (99k)

• Views of home-made cavity duplexer, and spectrum analyser data (270k)