Here are a list of some of the construction projects that that HRSA has sponsored in recent years. For details of issues covering these, search the 'Radio Waves' indexes.
2010: A solid state AM Mini Transmitter (January, April)
2008: Revisiting the Hikers One valve radio(January, April)
2007: A 90v 'B' battery for valve portable radios(October)
2006: A one-transistor "Super Radio" (April, July)
2005: An Electronic choke replacement(July)
2005: A Replacement 2v battery for farm radios(October)
2004: A variable voltage, variable current limit Bench Power Supply for servicing Transistor Radios (January)
2003: The 'Elwood', a 50's style mantel radio (Part 1 - April, Part 2 - July)
2003: Capacitor Leakage Tester (October)
2002: "All Wave Two" receiver
2002: Solid State Vibrator replacement
2002: Output Meter
2001: Electrolytic Capacitor Re-Former
2001: Double-Conversion Superhet
2001: Battery Set Power Supply
2000: Build a replica Browning-Drake
Ray Creighton has set up a site on the HRSA Browning-Drake construction project:
This contains a large amount of information on the design and construction of the Browning-Drake receiver.
1999: 3-Valve Signal Tracer
1998: Mini-Cathedral Radio, the "Warwick 2/4"
1997: The "MATE" AM Mini-Transmitter
1996: The "Little General"
Page maintained by Simon Buxton. Created: 12/6/08 Updated: 28/04/2010