Who Am I

David Underhill:- 63years

ADVANCED Class Amateur

First Licensed in 1982 (AOLCP)

Previous callsigns

VK4YDU, VK4ZDU, VK4XAU, VK2XDU, VK4ARJ

Areas of Interest:

Repeaters FM, 80M SSB, Digital Modes

Other Hobbies:

Electronics, Computers, ARDUINO

ISS Frequencies

  • Voice and SSTV downlink - 145.800
  • Voice Uplink- ITU 1 (Europe, Africa & Russia) - 145.200
  • Voice Uplink - ITU 2&3 (Everywhere else) - 144.490
  • VHF Packet up and downlink - 145.825
  • UHF packet up and downlink - 437.550
  • V/u Repeater Uplink - 145.990 (PL 67.0)
  • V/u Repeater downlink - 437.800
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Base: YAESU FT-991A

HF Antenna: G5RV
VHF/UHF: Diamond X50A
P/S Manson 33A.

Portable: YAESU FT-897D

HF Antenna: G5RV
VHF Antenna: 1/4 WAVE
P/S Manson 23A.