[Moon-net] [Moon] Use 28 volt relay on 12 volt DC/ Activity report 22 dec

[Vladimír Petržílka]

Hi
visit this page http://www.w6pql.com/12_to_28v.htm
73 Vladimir

-----Original Message-----
From: moon-bounces at moonbounce.info [mailto:moon-bounces at moonbounce.info]
On Behalf Of John Peters
Sent: Sunday, December 23, 2007 11:32 AM
To: 'Viggo Magnus LA9NEA'; 'Moon'
Cc: 'moon net'
Subject: Re: [Moon] Use 28 volt relay on 12 volt DC/ Activity report 22
dec



Viggo and others : 

 

24V relays will work on 12V DC but a little speedup can be helpful.. 

 

Usefull info : 

 

http://www.k6xx.com/radio/fastrely.pdf

 

a DC/CD inverter : 

 

http://www.dc2light.pwp.blueyonder.co.uk/Webpage/24Vinverter2.jpg

 

 

Ive seen a diagram on a Website of an Italian VHF station but I can't
recall his callsign, maybe someone on the reflector can ? 

 

73! Hope this info can be of use for you,

 

De John PA5MS

 


  _____  


Van: moon-bounces at moonbounce.info [mailto:moon-bounces at moonbounce.info]
Namens Viggo Magnus LA9NEA
Verzonden: zondag 23 december 2007 8:56
Aan: Moon
CC: moon net
Onderwerp: [Moon] Use 28 volt relay on 12 volt DC/ Activity report 22
dec

 

EME operators!

 

I am looking for article showing how to use 28/24 volt DC relay on 12
volt DC.............

 

Thanks in advance!

 

 

Activity report 22 dec

 

IW2FZR 559/559,SM5LE 539/539, IZ1BPN 549/559,PA0BAT * 559/539.

 

Still cold wx, and lot of ice-fog at the EME site, the near Lake
Tyrifjord is still without ice   and make a lot of fog, so signals on 23
cm is lower than usual...........

 

73 Viggo  LA9NEA

 

 

LA9NEA 23 cm EME set up:
Icom 756 pro II
TR1296H trv Kuhne
6 x 7289 ring PA ,500 watt,
MKU 13200B(spare PA) 250 watt SSPA,
5.3 meter dish,
VE4MA Feed
1.stage preamp.Cavity NE32484 0.28 dB
2.stage Kuhne  MGF 4953A 0.4 dB
JO59dx
Autotracking by W2DRZ,
VK3UM tracking at screen.