THE VERTICAL (MARCONI) ANTENNA In the last unit, we discussed the ground wave, and the necessity that the ground wave have vert
![An elementary manual of radiotelegraphy and radiotelephony for students and operators . e isno variation in potential at the centre of the Hertzian oscillator orat the earthed end of the Marconi An elementary manual of radiotelegraphy and radiotelephony for students and operators . e isno variation in potential at the centre of the Hertzian oscillator orat the earthed end of the Marconi](https://c8.alamy.com/comp/2CRW6EK/an-elementary-manual-of-radiotelegraphy-and-radiotelephony-for-students-and-operators-e-isno-variation-in-potential-at-the-centre-of-the-hertzian-oscillator-orat-the-earthed-end-of-the-marconi-antenna-and-this-point-istherefore-called-a-node-of-potential-at-the-free-ends-or-upperend-the-variations-of-potential-are-a-maximum-and-these-pointsare-therefore-called-loops-or-antinodes-of-potential-the-variations-of-potential-increase-fromthe-centre-or-lower-end-tothe-free-or-upper-end-andin-the-case-of-the-hertzianoscillator-the-charges-atthe-two-free-ends-are-alwaysopposite-signs-hence-w-2CRW6EK.jpg)
An elementary manual of radiotelegraphy and radiotelephony for students and operators . e isno variation in potential at the centre of the Hertzian oscillator orat the earthed end of the Marconi
![File:Marconi wireless station and aerials (Rankin Kennedy, Electrical Installations, Vol V, 1903).jpg - Wikimedia Commons File:Marconi wireless station and aerials (Rankin Kennedy, Electrical Installations, Vol V, 1903).jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/a/a5/Marconi_wireless_station_and_aerials_%28Rankin_Kennedy%2C_Electrical_Installations%2C_Vol_V%2C_1903%29.jpg)