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DW1ZWS | Panda Antenna original handcrafted Philippines
DW1ZWS

DW1ZWS | Panda Antenna original handcrafted Philippines

Philippines amateur radio, handcrafted communication antenna design

  • Home
    • Privacy Policy
  • Resources
    • Interface
      • QYT KT8900/8900D and variants repeater interface
      • Build KPG-46 interface using CH340
    • Modifications
      • Replacing RF Finals QYT KT8900 and adding fan mod
      • UV5R Modification
      • UV5R Low Modulation Fix
    • Amateur Radio
      • Antenna Plans
        • Yagi Antenna Design
          • Yagi Antenna Design U.S Bureau of Standards
          • Build the 3 x 5 Elements 2m/70cm Yagi
          • Build the 5 Elements 2m VHF Yagi
          • Build 4 Elements Yagi
            • Gamma Match for 4 Elements Yagi
          • 3 Elements Yagi (Panda Antenna Build)
            • Gamma Match for 3 Elements Yagis
          • 3 Elements Yagi for 146Mhz
          • 3 Elements Yagi 70cm UHF Compact Antenna
            • Gamma Match for 3 Elements Yagi 70cm UHF
          • 5 Elements Yagi UHF (Panda Antenna Build)
            • Gamma Match for 5 Elements Yagi UHF
          • 15 Elements 2.4Ghz Yagi Antenna for Wifi
        • Build a 2m VHF Sleeve Dipole
        • Original patent design for Folded Dipole antenna
        • Edison Fong (DBJ-1) J Pole
        • Edison Fong (DBJ-2) J Pole Roll Up
        • Edison Fong – Tri-Band Antenna for 2m, 1.25m and 70cm
        • Build a 2-Meter Vertical Dipole Array
      • Service Manuals
        • Alinco DJ180 Service Manual
        • Icom IC-2GA/GAT/GE
        • Icom 02A, 02AT, 02E Service Manual
        • Icom IC-H16 Service Manual
        • Icom V8000 Service Manual
        • Yaesu FT2800M Service Manual
        • Yaesu FT2900R Service Manual
        • Yaesu FT817 Service Manual
        • Yaesu FT897 Service Manual
        • Yaesu FT857 Service Manual
      • Magazines
        • 73 Magazines 1960’s
          • 73 Mag 1960 (Nov-Dec)
          • 73 Mag 1961 (Jan-Dec)
          • 73 Mag 1962 (Jan-Dec)
          • 73 Mag 1963 (Jan-Dec)
          • 73 Mag 1964 (Jan-Dec)
          • 73 Mag 1965 (Jan-Dec)
          • 73 Mag 1966 (Jan-Dec)
          • 73 Mag 1967 (Jan-Dec)
          • 73 Mag 1968 (Jan-Dec)
          • 73 Mag 1969 (Jan-Dec)
        • 73 Magazines 1970’s
          • 73 Mag 1970 (Jan-Dec)
          • 73 Mag 1971 (Jan-Dec)
          • 73 Mag 1972 (Jan-Dec)
          • 73 Mag 1973 (Jan-Dec)
          • 73 Mag 1974 (Jan-Dec)
          • 73 Mag 1975 (Jan-Dec)
          • 73 Mag 1976 (Jan-Dec)
          • 73 Mag 1977 (Jan-Dec)
          • 73 Mag 1978 (Jan-Dec)
          • 73 Mag 1979 (Jan-Dec)
        • 73 Magazines 1980’s
          • 73 Mag 1980 (Jan-Dec)
          • 73 Mag 1981 (Jan-Dec)
          • 73 Mag 1982 (Jan-Dec)
          • 73 Mag 1983 (Jan-Dec)
          • 73 Mag 1984 (Jan-Dec)
          • 73 Mag 1985 (Jan-Dec)
          • 73 Mag 1986 (Jan-Dec)
          • 73 Mag 1987 (Jan-Dec)
          • 73 Mag 1988 (Jan-Dec)
          • 73 Mag 1989 (Jan-Dec)
        • 73 Magazines 1990’s
          • 73 Mag 1990 (Jan-Dec)
          • 73 Mag 1991 (Jan-Dec)
          • 73 Mag 1992 (Jan-Dec)
          • 73 Mag 1993 (Jan-Dec)
          • 73 Mag 1994 (Jan-Dec)
          • 73 Mag 1995 (Jan-Dec)
          • 73 Mag 1996 (Jan-Dec)
          • 73 Mag 1997 (Jan-Dec)
          • 73 Mag 1998 (Jan-Dec)
          • 73 Mag 1999 (Jan-Dec)
        • 73 Magazines 2000’s
          • 73 Mag 2000 (Jan-Dec)
          • 73 Mag 2001 (Jan-Dec)
          • 73 Mag 2002 (Jan-Dec)
          • 73 Mag 2003 (Jan-Sep)
      • Baofeng’s Desense
      • Coax Attenuation Chart
      • SWR and Power Loss
      • RF Choke Tame Stray RF
    • Schematics
      • UV3R Schematics Diagram
      • Anytone AT588 Schematic
      • QYT KT8900_M
      • QYT KT8900_K
      • Baofeng UV5R
      • UV5R Charger Schematic
    • Datasheet
      • Arduino Nano technical notes
      • National Semiconductor Voltage Regulator Handbook
      • RF Finals QYT KT8900
      • RF Finals UV5R (AFT05MS004N)
      • RF Finals UV5R (RQA0009SZAQS)
    • Softwares
      • CentOS 6.9 & Chirp
      • Antenna Stacking Calculator
      • Cignus Programmer
      • Firmware Recovery China Radios
      • Antenna Modelling Software
  • Education
    • PARA (Philippine Amateur Radio Association)
  • My Youtube
    • N1201SA VNA – VSWR read out against Diamond SX400
      • UHF 70cm 435-455Mhz frequency sweep analysis N1201SA vs SX400 meter
    • Nominal range 3 Elements Yagi at 5Watts
    • Programming VHF Frequency on BF888s
    • Building a high performance 2m / 3 Element Yagi (Video Tutorial)
    • Building a Gamma Match (Video Tutorial)
    • QSO with the North 5 Elements VHF/UHF Dualband Yagi
    • QSO recording with friends
    • Sleeve dipole testing
    • 5 Elements Yagi 2m VHF SWR response testing
  • Shop
    • RF Connectors
    • UHF Antennas
    • VHF Antennas
    • Dualband antenna
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076 Brgy., San Isidro, Maharlika Highway, Atimonan Quezon
63 2 977 495 1296
Time: Fri - Sat
7:00AM - 5:00PM

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Copyright ©2017 Ephraim A. Gariguez
Amateur Radio Station DW1ZWS

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