WA3UMY 223.90 MHz Repeater System
| The FIRST and only 220 MHZ AMATEUR RADIO REPEATER SYSTEM in Southern Maryland! This privately-owned system, located in Lexington Park, is an open repeater that is available for use by any appropriately licensed amateur radio operator. Click on the link below for more information about this repeater:
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Repeater specifications: |
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Frequency: 223.90 MHz out / 222.30 MHz in Carrier access (no PL or sub audible tones required) Availability: 24 hours/day Output power: 100 watts Antenna: Hustler G7-220 vertical, 80' AGL Feed line: Andrews 7/8" Heliax Transmitter: Hamtronics TA51 with LPA 2-15R VHF FM power amplifier Receiver: Hamtronics R220 Power Amplifier: Mirage C1012 220-225 MHz Controller: Connect Systems Inc. Private Patch V multi-mode interconnect Duplexer: Tx Rx Systems, Inc., 4-cavity Vari-Notch, model 28-52-02A Power Supply: Astron RS-50M 13.8 VDC @ 50 amperes
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