CVARS K7PG           CVARS    K7PG
  The Chehalis Valley
 Amateur Radio Society
A  501(c)(3) Non-profit 		          
 
 

Electronics Workshop - November 17, 2022

Time & Location:

Topics:
  1. Lewis County Weather
  2. tinySA ULTRA
  3. VNA & Baluns/Ununs/Chokes
  4. Potpourri

Notes:
Lewis County Weather:
  1. ChehalisOneRain web site:https://chehalis.onerain.com/
  2. Lewis County Rivers web site:https://rivers.lewiscountywa.gov/#/
  3. Chehalis/Skookumchuck/Newaukum River Graphs:https://water.weather.gov/ahps2/river.php?wfo=sew&wfoid=18678&riverid=203552&pt%5B%5D=143571&pt%5B%5D=141905&pt%5B%5D=152910&pt%5B%5D=153096&pt%5B%5D=153098&pt%5B%5D=153100&pt%5B%5D=141616&pt%5B%5D=143725&pt%5B%5D=153110&pt%5B%5D=143401&allpoints=141332%2C143571%2C141905%2C143268%2C152910%2C153096%2C153098%2C153100%2C153101%2C141616%2C143725%2C153110%2C143401%2C142081%2C142867%2C153641&data%5B%5D=hydrograph
tinySA ULTRA:
  1. tinySA ULTRA Announcement:https://groups.io/g/tinysa/message/7761
  2. AliExpress Zeenko Store:https://www.aliexpress.us/item/3256804748088551.html?gatewayAdapt=glo2usa4itemAdapt&_randl_shipto=US
  3. tinySA wiki:https://tinysa.org/wiki/
  4. R&L Electronics "tinySA Ultra" web page:https://store2.rlham.com/shop/catalog/product_info.php?products_id=75872
VNA & Baluns/Ununs/Chokes:
  1. Pi Attenuator Resistor Calculator:https://www.pasternack.com/t-calculator-pi-attn.aspx
  2. Resistor Pi Attenuation Calculator:https://leleivre.com/rf_pipad.html
  3. "Choosing a Feedline Choke":https://palomar-engineers.com/antenna-products/1-1-balun-kits/choosing-a-feedline-choke

Potpourri

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