'Swr meter' presentation slideshows

Technician Licensing Class

Technician Licensing Class. T 7 A - T 7 D. Valid July 1, 2014 Through June 30, 2018. 1. T 7 A. Sensitivity is the term that describes the ability of a receiver to detect the presence of a signal. T7A01. 2. T 7 A.

773 views • 77 slides

Technician Licensing Class

Technician Licensing Class. Station equipment, common transmitter and receiver problems, antenna measurements and troubleshooting, basic repair and testing T7A - T7D. Valid July 1, 2014 Through June 30, 2018. 1. Developed by Bob Bytheway, K3DIO, and slightly modified by SPARC. T 7 A.

775 views • 77 slides

Homemade VHF and UHF Antennas

Homemade VHF and UHF Antennas. What criteria am I looking for in an antenna?. It is like looking for a car. How many people will it hold? What is the gas mileage? 2 wheel drive, 4 wheel drive, all wheel drive? Does it have enough power to tow my boat?.

1.09k views • 28 slides

L BAND HELIX ANTENNA ARRAY

585 views • 27 slides

L BAND HELIX ANTENNA ARRAY

669 views • 27 slides

Tri County ARC 2014

Tri County ARC 2014. Antenna Testing. Getting Ready to Test. Whenever possible you want to adjust the antenna in place on it's mounting structure. In this way you are taking the structure and other unavoidable local objects into consideration .

254 views • 25 slides

Technician License Course Chapter 2 Radio and Electronics Fundamentals

Technician License Course Chapter 2 Radio and Electronics Fundamentals. Equipment Definitions Hour-1. Basic Station Organization. Station Equipment Receiver Transmitter Antenna Power Supply Accessory Station Equipment Repeaters. What happens during radio communication?.

332 views • 21 slides

SWR Meter/Low Pass Filter Session 4

SWR Meter/Low Pass Filter Session 4. SWR Meter Calibration Methods Discussed Finish SWR meter Start the Low Pass Filter Project. SWR Meter Calibration. SWR = [1+x]/[1-x] where x = Sqrt(P R /P F ). P R is the Forward Power P F is the Reverse Power.

321 views • 13 slides

SWR Meter/Low Pass Filter Session 4

SWR Meter/Low Pass Filter Session 4. SWR Meter Calibration Methods Discussed Finish SWR meter Start the Low Pass Filter Project. SWR Meter Calibration. SWR = [1+x]/[1-x] where x = Sqrt(P R /P F ). P R is the Forward Power P F is the Reverse Power.

391 views • 13 slides

SWR Meter Session 3 Learn about Transformers and SWR Meters

SWR Meter Session 3 Learn about Transformers and SWR Meters. I. Port 1. Port 2. +. F. V. Forward Waves on Transmission Lines Z L = Zo (Characteristic Impedance). Transmitter. Z L. Load. -. Z load = Zo (No reflected wave) Zo = 50 Ohms There is only a forward wave. V=+IZo

488 views • 11 slides