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Nowadays, transmitter usually is part of transceiver, that is why is chapter mostly dedicated to self-contained transmitter projects, such as radio beacons (telegraph, WSPR and APRS).

A transceiver stands for TRANSmitter/reCEIVER, a combination of receiver and transmitter. Usually, a main element on radio amateur desk ("shack") and a door (or window) on the air.

Antennas are all of sorts. They can be big, very big and strange. Due to the limitations of my locations (QTH), mostly, I build portable antennas.

Power amplifiers are intended.. hmm.. to amplify power of outgoing signal from transmitter to antenna. I would categorize power amplifiears, very broadly into three categories: low power QRP (to 20 W), normal power (to 100-200 W) and high power QRO (all above)...

To be able to emit radio signals, we need energy. That energy, usually, comes from the socket, but not always. This chapter is all about it.

Also known as The Big Helsinki, which includes cities of Helsinki, Espoo, Vantaa and surrounding municipalities (Kauniainen, Vihti, Tuusula, Kerava, Järvenpää), strictly speaking it is not, but people understand it like this.

Also known as South Savo, with it's three major cities: Mikkeli, Savonlinna and Pieksämäki.

Also heard as South Karelia, with two major cities: Lappeenranta and Imatra.

Adana - Çukurova - Mersin - Kargıpınarı - Arpaçbahşiş - Erdemli - Kızkalesi

Photos: https://hub.2dz.fi/s/XT4CngxtasQEANY