*****MY SHACK , MY ANTENNAS AND MY TUBES ***** CLICK HERE TO SEE ALL PAGES http://sv1doq.blogspot.com) ......

< A N T E N N A S
VHF PANEL 4 YAGI 4 ELEM.
VHF PANEL 4 YAGI 17 EL. TONNA
VHF DIAMOND X 510 .
HF DELTA LOOP 80m
HF YAGI 3 ELEMENT ( HY GAIN )


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M Y ... T U B E S

HF LINEAR AMPLIFIER 3CX15000 A7 OUTPUT MORE THAN 6,5KW, 200W,IN 4700V,1,8A CLICK HERE TO SEE ALL PAGES http://sv1doq.blogspot.com)

3CX15000A7

MAIN HF AMPLIFIER

POWER SUPLLY 7500V DC, 3A

PREAMPLIFIER 3 X QB4, 3,5 KV

OUTPUT 6500W WITH 200W, GRID DRIVEN, TERMINATED AT 200 Ω RESISTANCE , AT 4700V DC, 1,85A
I COULD TAKE MORE THAN 25 KW AT 8000V DC .

HF LINEAR AMPLIFIER 8 X QB4 OR 4-400 tubes 5kw (http://sv1doq.blogspot.com) CLICK HERE TO SEE ALL PAGES

Input:200W Out: 5kw ,Input: 270W Out: 6kw ,Input: 350W Out: 7kw?
Power Supply 7kv , In Full power conditions 5.6kv 1.6a,5kw out




POWER SUPPLY 7 KV

VHF PUSH PULL LINEAR AMPLIFIER 900 W, GLASS TUBES 2 X QB4 SIMILAR 4-400 CLICK HERE TO SEE ALL PAGES

VHF 145 MHZ PUSH PULL AMPLIFIER WITH GLASS TUBES 2 X QB4 SIMILAR 4-400, GROUNDED GRID (GG) USING PHASE IVERTER , INPUT 70W OUTPUT 900W , AT 3700V AND 0.6A

HF LINEAR AMPLIFIER 6 X QB4 OR 4-400 TUBES (http://sv1doq.blogspot.com) CLICK HERE TO SEE ALL PAGES

4KW HF LINEAR AMPLIFIER ( 2 X GU84B ) (http://sv1doq.blogspot.com) CLICK HERE TO SEE ALL PAGES

LINEAR AMPLIFIER 2 X GU84B UNDER CONSTRUCTION IN FINAL STAGE AND POWER SUPPLY OVER 5500V EMPTY 4900V FULL POWER

VHF 144 -146 Mhz LINEAR AMPLIFIER 700W 4CX350 (http://sv1doq.blogspot.com) CLICK HERE TO SEE ALL PAGES

VHF LINEAR AMPLIFIER 1Kw 2 X 4CX250 PUSH PULL (http://sv1doq.blogspot.com) CLICK HERE TO SEE ALL PAGES

POWER VHF AMPLIFIER 3CX1500A7 , OUTPUT POWER MORE THAN 1.500W AT 4.2 KV DC.



ONE OF OLDEST RADIO STATIONS OF THE WORLD
INSTALLED BEFORE 1937 FROM TELEFUNKEN FOR ERT sa GREEK RARIO TV
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THE MAIN RADIO STATION AND THE GREEK RADIO AMATEUR SV1PC PENSIONER TECHNICIAN ERTsa
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THE CONTROL PANEL OF THAT OLD RADIO STATION
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THREE ANTENAS 50Ω ΙΝ ONE LINE 50Ω











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P CALCULATION