Amateur radio station since 1993
   

RA3WDK `s Homepage

 

Some information about me

MenuMaker produced RA3WDK


Status AU 144 MHz

Status ES 144 MHz

From MMMonVHF

Status MUF today

Map Tropo Forecasts

* < MS Propogate > *

My MP3 collection

from AIR

 

Web SDR

 

CW Skimmer Server

 

 

Hi, I'm Ivan Shor !

This page about my hobby : Amateur Radio

on the HF, VHF , UHF , SHF band.


Well, but what about my next hobbies? - Sail, of course.

 

Lets see first part 1953-1965 and second part 1966-1976

 

New Designs & Articles

New elements LC for expand band of tune in Smart Automatic Antenna tuner

USB to serial UART RS-232 + PTT from DTR/RTS

"Cold" Horn for measurement NF of LNA on 5,7 GHz and 10 GHz

Something about RF & Nf Measurement

Discription for my old XVTR 5,7 GHz

 

New Magic QRP SWR Bridge v.3

If you want to buy KIT of Magic Bridge please look at K6VHF`s info here

The Lighting Protection for Rotors

If you want to use your old HF tranceiver in VHF in EME or MS QSO - you must increase stability of frequency. For example - i use my old IC745 with my 144/28 XVTR . I have good total value of frequency stability for long sending cycle without TXCO. You need only some a bit of polypropylene for VCO, 2nd LO and LO.

In old tranceivers often was problem with switchknobs XIT/RIT.

Good idea is - to use old switchknobs XIT/RIT for control of good relay. Now only clear of relay ladder with good contact will be control XIT/RIT . For example - i use russian relay RES-49 in easy layout !

 

 

Magic QRP SWR Bridge

Easy modification AM broadcast receiver

VEF-202

After modification ... Air 40m band Air 17m band

 

QRP CW Transceiver

+ Modification

USB Power Metr

Measure power from 10 MHz to 12 GHz !

RW3AZ, RZ4HD, UA3DHC, R6DZ, RA9YMI, UZ5DU, US3IET have this

USB Power Metr

 

This bug want to help us in Field Day

Just see more about.....

 

New ODX via MS in Perseids shows

G4CDN JO02ss<MS>KO81br RA3WDK about 2340 km

Richard G4CDN made screenshot our QSO, let see more info in www.g4cdn.com

 

VHF : UHF : SHF Cluster __

SK6AW DxSummit F5LEN
144
432
1296
2,4G
5.7G
10G

 

 

 

 

You can send me FeedBack or Sked

This website is Copyright © 2008-2009 author/webmaster : RA3WDK