Lakeshore UHF Repeater
From Megawiki
Located near the boundaries of Racine and Kenosha Counties in Wisconsin, The Lakeshore UHF Repeater was installed on November 22, 2001 and covers the south east portion of Wisconsin and the extreme north east portion of Illinois.
Contents |
General information
- Callsign: KR9RK/R
- Output Frequency: 442.000 MHz
- Input Frequency: 447.000 MHz (+5MHz)
- CTCSS (PL): 127.3 Hz
- Effective Radiated Power: 150 Watts
- Location: 42° 40' 10" North, 87° 50' 51" West
- Antenna Height: 1039 Feet AMSL
Antenna
DB Products DB 413, 8 element folded dipole mounted at 380' AGL, special ordered for 440-450 MHz, DB365-OS mounting kit. 20' Mast, Flexible pigtail with male N-type connector, weight 32 lbs. Wind survival = 122 mph, (with 0.5 radial ice 90 mph)
Gain
- 8db at 0°
- 10dB at 10°
- 2dB at 90°
- 8dB at 180°
- 10dB at 210°
- 12dB at 270°
Side Arm
Pirod #850905 extending 6'8" from the Northwest face of the tower at 380 feet. Arm weight is 160 lbs without the mounting pipe. The mast is 2 3/8" OD x 84" schedule 40 pipe.
Feed line
410' Andrews LDF 5-50A 7/8" Heliax, 3.63 dB total loss, fastened at 3 foot intervals with Andres #206706-2 snap clips. N female connectors on both ends, ground kits installed at the top and bottom as well as the building entrance.
Equipment
Motorola Micor repeater with 75 Watt continuous duty power amplifier set for 34 Watts into the coax.
Controller
Link Communications RLC-CLUB Deluxe Controller
Duplexer & Bandpass Filter
- Decibel Products DB4075 duplexer 4 can pass/reject.
- Motorola 2 can bandpass filter ahead of AR gasfet preamp in receiver line.
