[GreenKeys] Happy birthday, Heinrich Hertz!

[W2HX]

That's very nice of you!

Eugene W2HX (qrz reveals all!)

-----Original Message-----
From: greenkeys-bounces at mailman.qth.net [mailto:greenkeys-bounces at mailman.qth.net] On Behalf Of Dave Horsfall
Sent: Wednesday, February 21, 2018 4:01 PM
To: Greenkeys
Subject: [GreenKeys] Happy birthday, Heinrich Hertz!

German scientist Heinrich Hertz started oscillating on this day in 1857; he discovered electromagnetic radiation when he excited a spark gap, and a remote gap also sparked.

--
Dave Horsfall DTM (VK2KFU)  "Those who don't understand security will suffer."
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