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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
    • QSO Log Book
    • 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
      • 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
      • Versa Alerto / Hero Software
      • CentOS 6.9 & Chirp
      • Antenna Stacking Calculator
      • Cignus Programmer
      • Firmware Recovery China Radios
      • Antenna Modelling Software
  • Education
    • PARA (Philippine Amateur Radio Association)
    • Antenna Plans
      • Dualband Antenna’s
        • 2×3 2m/70cm Cross Yagi – compact build
        • Build 3 x 5 2m/70cm Cross Yagi 145-435Mhz
        • Build the 3 x 5 Elements 2m/70cm Yagi
      • VHF antenna’s
        • Build the 5 Elements 2m VHF Yagi
        • Build a 4 elements yagi 157.000 Mhz VHF
        • Build 4 Elements Yagi
          • Gamma Match for 4 Elements Yagi
        • 3 Elements Yagi (Panda Antenna Build)
          • Gamma Match for 3 Elements Yagis
          • Tuning 3 elements stacked yagi & effects of feed line
        • 3 Elements Yagi for 146Mhz
      • UHF Antenna’s
        • 4 Elements UHF yagi @409Mhz
        • 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
      • 2.4 Ghz WiFi Antenna
        • 15 Elements 2.4Ghz Yagi Antenna for Wifi
        • 15 Elements 2.4Ghz Yagi Improvement
      • Yagi Antenna Design
        • Yagi Antenna Design U.S Bureau of Standards
      • 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
  • My Youtube
    • Diamond F22 restoration by capacitor replacement
    • Enabling battery status on NanoVNA
      • Changing NanoVNA firmware
        • NanoVNA vs N1201SA low cost antenna analyzer comparison
        • N1201SA VNA – VSWR read out against Diamond SX400
    • UHF 70cm 435-455Mhz frequency sweep analysis N1201SA vs SX400 meter
    • 3×5 Cross Yagi tear down
    • Pencil Torch to continuous flow conversion
    • 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, Maligaya, Atimonan Quezon 4331
63 2 927 400 9346
Time: Fri - Sat
7:00AM - 5:00PM

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