Sunday, December 23, 2012

A happy Merry Christmas




Thursday, December 13, 2012

ORP/p 433 MHz NBFM tone, CW , SAW TX





QRP/p ,  with Baofeng UV5R beautiful tone, distance of 1 km, further tested, prevented the lake....

Sunday, December 9, 2012

Friday, December 7, 2012

Ultra simple NBFM TX



100m with Baofeng UV5 R ....59+

Monday, December 3, 2012

Thursday, November 29, 2012

Monday, November 26, 2012

434 MHz simple converter, with SA 612

Gera zinia ta, kad surinkus teisingai, konverteris veikia is karto. Idealu  144 MHz , ne 432 MHz. Dar zemesniuose diapazonuose  SA612 veiks puikiai.


Saturday, November 24, 2012

MI 0 GOZ

MI 0 GOZ  Vlad ,  antenna

M 0 NPQ

ex LY3PQ  Nerijus

Wednesday, November 21, 2012

435,9 MHz FM mini beacon

1 khz NBFM,with Baofeng UV5R ,heard good 200 m, with 59


Tuesday, October 23, 2012

Fitsat 1, NIWAKA with D snake antenna

A 45 degree angle , D snake, well take Fitsat 1 NIWAKA  437,250 MHz CW beacons. Antennas do not move
S.m Spalio 20diena su D snake antena  gerai girdejosi Fitsat 1 NIWAKA  CW svyturys, antenos sukineti nereikejo , girdejosi visos 4 orbitos, antena  45 laipsniu kampu ziurejo tiesiai i pietus. Klausiausi su Baofeng UV-5R  TRX isjungus skvelca, girdejosi negatyvine CW .... priimti tokius signalus , tas pats kas perskaityti japoniskus ieroglifus. Smagu buvo tai kad signalai buvo stiprus, palikus ijungta skvelca, esant stipriam signalui pradeda uzsidegineti raudona lempute, skvelcas pliauksi nesuprantamus signalus, aisku kad Fitsat 1 NIWAKA  labai garsiai girdisi


Wednesday, October 3, 2012

NBFM SAW resonator 433,8 MHz TX


Pin 12  GND , PIN 13 NC.....CD4060

Saturday, September 22, 2012

Wednesday, July 18, 2012

14 MHz Magloop by LY3H

I was forced to use magloop (also known as STL - small transmitting loop) because I don't have permission to build antennas on my roof.
For loop I use cheap heating pipes. Any magloop builder inevitably will have to solve high quality/voltage capacitor problem. Since I operate only CW I decided to try fixed capacitor made from coaxial cable (first two pictures). This was working solution but it's hard to make it waterproof (it's very important!)




Then I tried to make capacitor from the heat pipe too. This is very good solution - it's easy to make adjustments, it's easy to make it waterproof with heat shrink!
 I made already quite a few QSOs with the 5W transceiver published earlier, even with some JA stations. 
The only concern so far is overall temperature stability - I will report my findings later here.