Prefix County County code OM1 Bratislava I BAA Bratislava II BAB Bratislava III BAC Bratislava IV BAD Bratislava V BAE Malacky MAL Pezinok PEZ Senec SEN OM2 Trnava TRN Dunajská Streda DST Galanta GAL Hlohovec HLO Piešťany PIE Senica SEA Skalica SKA OM3 old calls from Czechoslovakia, prefix moved from […]
Yearly Archives: 2017
2 posts
Small, cheap and widely available chinese transformers are frequently used in digimode interfaces, however the documentation is very poor. Both primary and secondary consists of 800 turns of enameled 0.06 mm copper wire wound with double wire. It has DC resistance of 135 ohms +/- 20% and inductance of 290 […]