w2rdk.com
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  • W2RDK/4
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  • WN2RCB - 1965
​Current equipment in use at W2RDK:
  • Icom IC-7600 w/ SP-23 speaker
  • Homebrew "Sounds Sweet" speaker
  • Palstar HF-Auto tuner
  • Heathkit SB-1000 linear amplifier (built in 1989)
  • Astron RS-50M power supply
  • W2IHY 8-Band equalizer w/ W2IHY EQ Plus
  • Electro-Voice RE-20 microphone on a Rode boom w/ EV309A shock mount
  • Motorola XPR 7550e UHF handheld DMR/Analog transceiver
  • Motorola XPR 5550e UHF mobile DMR/Analog transceiver
  • Alinco DJ-MD40 handheld DMR/Analog transceiver
  • N5BOC MMDVM simplex DMR hotspot w/Nextion 2.4" LCD screen (mobile & portable)
  • N5BOC MMDVM duplex DMR hotspot w/Nextion 3.5" LCD screen (home)
  • K1EL K42 CW keyboard keyer
  • Tele-Post LP-100A digital vector wattmeter
  • Kent dual paddle iambic key

Antennas
  • 43' HF vertical made with DX Engineering aluminum tubing, tilt-base & stainless steel radial plate 
  • Radial field consists of 60 radials of varying lengths totaling 1600' of wire
  • Diamond X-50 VHF/UHF vertical for analog & DMR​​
​
Picture
The AD5X matching network above allows the 43' vertical to operate efficiently on 160 & 75 meters
Switching the network out of line (remotely) allows normal operation on 40 thru 10 meters
​​Link to the AD5X matching network construction details here
​
160 & 75 meter bandwidth plots taken with my Tele-Post LP-100A running Ham Radio Deluxe  
Picture
Picture
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  • About
  • Station Info
  • W2RDK/4
  • Projects
  • WN2RCB - 1965