AMPRNet 44Net CONNECT WIREGUARD VPN TUNNEL NetBSD CONFIGURATION (2026-02-16)
HX-108-2 MEDIUM WAVE RECEIVER ASSEMBLY (2026-01-17)
NANOVNA vs VNWA3 (2025-01-19)
RAPSBERRY PI STATIC NETWORK CONFIGURATION (2018-02-07)
ALINCO DJ-G7 BATTERY CHARGING CIRCUIT REPAIR (2016-01-15)
1296 MHz HOME MADE MICROSTRIP DIRECTIONAL COUPLERS (2015-06-09)
EXPERIMENTING WITH A 4 LNA PCB (2014-11-09)
TRANSFORMING A LNB INTO A LNA (2014-11-04)
10GHz PIPECAP FILTER (2014-11-01)
Si-570 SPECTRUM ANALYZER SCREENSHOTS (2014-11-01)
RETIREMENT TRANSCEIVER, A TRANSCEIVER TO DIE IN PEACE (2014-03-29)
STEP ATTENUATOR (2014-03-08)
INTERMODULATION MEASUREMENTS IN HF RECEIVERS(2014-03-08)
PRACTICAL MIDDLEBROOK METHOD FOR OPEN LOOP GAIN SIMULATION IN OSCILLATOR CIRCUITS (2014-02-02)
1:1 RF TRANSFORMER BANDWIDTH MEASUREMENT (2014-02-02)
YAESU FT-817 SMETER READINGS (2014-02-01)
LVDS to single ended output transformer for the SI570 (2014-01-16)
A rotary encoder for the RTW-SDR-LOCALOSCILLATOR board (2014-01-12)
SWR 1.8-50 MHz meter (2013-12-15)
Simple SDR HF receiver design (2012-10-14)
Grabaciones EME KP4AO, Radiotelescopio del Observatorio de Arecibo en Puerto Rico (2010-04-19)
Micrófono para el transceptor Elecraft K3 (2010-04-29)
Control CAT transceptores Yaesu FT-817, FT-89)
Acoplador de antena tipo T para HF

Construcción de un balun 4:1 con cable coaxial