<html><body><div style="font-family: Arial; font-size: 12pt; color: #000000"><div>Duh! This paper gives distance in kilometers; I was thinking miles. Teach me to read more carefully.</div><div><br></div><div>Dick</div><div><br></div><hr id="zwchr"><div style="color:#000;font-weight:normal;font-style:normal;text-decoration:none;font-family:Helvetica,Arial,sans-serif;font-size:12pt;"><b>From: </b>w3hwn@comcast.net<br><b>To: </b>tacos@amrad.org<br><b>Sent: </b>Thursday, March 17, 2016 1:19:24 PM<br><b>Subject: </b>Path Loss 101<br><div><br></div><div style="font-family: Arial; font-size: 12pt; color: #000000"><div><a href="http://electronicdesign.com/blog/wireless-101-basic-physics-radio?NL=ED-001&Issue=ED-001_20160317_ED-001_502&sfvc4enews=42&cl=article_1_b&utm_rid=CPG05000000265010&utm_campaign=5427&utm_medium=email&elq2=12f9c87fc7fb48d38e0a6914011d57c4" target="_blank">http://electronicdesign.com/blog/wireless-101-basic-physics-radio?NL=ED-001&Issue=ED-001_20160317_ED-001_502&sfvc4enews=42&cl=article_1_b&utm_rid=CPG05000000265010&utm_campaign=5427&utm_medium=email&elq2=12f9c87fc7fb48d38e0a6914011d57c4</a></div><div><br></div><div>I just read through this and haven't researched it. Back in the dark ages when I was designing mirowave systems for</div><div>a liviing, FSPL was given as 36.6 + 20 log D + 20 log f. This paper gives a different value. I don't know why, since the</div><div>physical constants haven't changed, and maybe some day I'll look into it.</div></div></div><div><br></div></div></body></html>