KL7UW
VHF/UHF STATUS

JAN 2025

144-MHZ STATUS - QRV
 
BASE STATION CONFIGURATION: (144-146 MHz)

Icom-9700 80w
GPS Freq Ref to be added
New Dual LDMOS MRF-300 amplifier to be assembled
POWER OUTPUT = 500w CW/SSB, 300W FM
HIGH GAIN ANTENA:  Two PA144-B-3BG (8-element yagis), Gain = 15.5 dBi Fixed az=060
Yagi array to be moved to Tower#4 in Summer 2025; to be mounted on rotatable mast at 42-feet
ANTENNA HEIGHT:  38-foot  on 50-foot tower#2
TX LINE LOSS = 1.25-dB dB, 35-foot LMR-600 + 100-foot LDF4-50 Heliax

New OMNI ANTENNA: DIAMOND DMN-X510HDNA dual-band vertical
ANTENNA GAIN = 8.3 dBi
ANTENNA HEIGHT:  47-Feet (tip of 17-foot whip)
TX LINE LOSS = 0.5 dB, 30-foot LMR-400

Alternative:  Elecraft K3 and DEMI L144/28HP-DRX 25w Transverter
AMPLIFIER: 1200W LDMOS Not installed
ANTENNA: Four M2-2m-XP20 CROSSED YAGIS to be assembled
ANTENNA GAIN = 21.3 dBi
PREAMPS: WA2ODO LNA (NE334-S01), H-POL & V-POL

MOBILE STATION:  Baofeng UV-5R 5w VHF/UHF Handheld radio and 2m 60W MOT AMP with Comet dual-band vertical

House Alternative:  Alinco DR-735T 50w with KPC-3+ (TNC) and SURFACE NOTEPAD 
BASE ANTENNA:  Cushcraft ARX-270, 2m Gain = 9 dBi
ANTENNA HEIGHT:  42-Feet (tip of 17-foot whip)


Go to 144-MHz EME Station for more details.
See my 2m Log.

222-MHZ STATUS - QRV
 
222-MHz STATION CONFIGURATION:
 
Bridgecom BCM-220 30w FM
BASE AMPLIFIER: Securitor PA
POWER OUTPUT: 150W
ANTENNA:  Two Cushcraft 220-11 yagis, Gain = 13 dBi (est)
ANTENNA HEIGHT:  60-Feet  on 50-foot tower#2
TX LINE LOSS (from 150w PA) = 1.06 dB (est) 70-foot LDF5-50A + 40-foot LMR-400


Go to VHF/UHF Station for more details.
See my 222-MHz Log.

432-MHZ STATUS - QRV
 
432-MHz STATION CONFIGURATION:
 
Icom-9700 60w
PREAMP: N9MKC, 0.2 dBNF, Gain = 25 dB (at tower#2 base) 
BASE AMPLIFIER:  BA-150 
POWER OUTPUT: 100W
MAIN ANTENNA:  NEW M2 440-18 yagi (16.64 dBi)
ANTENNA HEIGHT: 32-Feet  to be installled on 50-foot tower#2
TX LINE LOSS = 0.68 dB (est.) 30-foot LMR-600
New OMNI ANTENNA: DIAMOND DMN-X510HDNA dual-band vertical
ANTENNA HEIGHT:  37-Feet (tip of 17-foot whip) 

Go to VHF/UHF Station for more details.
See my 432-MHz Log.

900-MHZ STATUS - QRT
 
900-MHZ STATION CONFIGURATION:
 
Motorola Spectra 15W.  
PREAMP: WA2ODO NF = 0.18 dB, Gain = 22.9 dB
AMPLIFIER:  150w Motorola Amplifier 
POWER OUTPUT=150W (15W Rover with Spectra)
ANTENNA:  33-element Loop-Yagi, Gain=  18.5 dBi   
ANTENNA HEIGHT: 32-Feet to be installled on 50-foot tower#2
TX LINE LOSS = 0.92 dB 30-foot LMR-600


Go to VHF/UHF Station for more details.
See my 900-MHz Log.

 Return to  Home Page