All posts
grouped by
2024
- LF Converter Type RA237B September 5, 2024
- Racal RA66B Panoramic Adaptor August 10, 2024
- Racal TRA3755 DSP Transceiver August 2, 2024
- HP 5065A Rubidium Vapour Frequency Standard July 23, 2024
- Automatic Preselector MA1101A June 26, 2024
- How it might have been March 1, 2024
- RA117A N0959 February 13, 2024
2023
- Power Amplifier Type MM420 October 25, 2023
- Hallicrafters SX-28 March 9, 2023
- Hewlett Packard HP1740A Repair February 23, 2023
2022
- Two Adret Signal Generators July 25, 2022
- Poor Man's MA350 July 4, 2022
- The MA79 Transmitter Drive Unit May 30, 2022
- Yet another resurrected R1155 April 1, 2022
- Vicki 332 February 23, 2022
2021
- A much-modified R1155 September 30, 2021
- A low-cost Hand-Brake lever for Dirt Rally April 6, 2021
- Using the Rigol DSA815-TG to align filters in the RA17 series March 17, 2021
- The MA3752 driving a TA3762 PA January 18, 2021
2020
- RA17 MKII Ser. N2751 December 12, 2020
- Network Analysers November 14, 2020
- Computational Nostalgia November 2, 2020
- Refurbishing a Marconi CR100/1 October 31, 2020
- Re-Stuffing Capacitors October 14, 2020
- Test Equipment for Test Equipment October 4, 2020
- RA17 L-C Filter problem solved! August 25, 2020
- Refurbishing a Marconi CR100/2 July 8, 2020
- Systron Donner Spectrum Analyzer Type 809-1 - Solving the Frequency Calibration Issue June 6, 2020
- Repairing a troublesome ProSisTel Rotator May 16, 2020
- Systron Donner Spectrum Analyzer Type 809-1 re-fit May 10, 2020
- To be or not to be ... April 15, 2020
- Microdyne 1161-S Spectrum Display April 9, 2020
- Repairing a MKII Pye Black Box amplifier April 7, 2020
- R1155 PSU Addendum March 30, 2020
- A new 1MHz Osc. for the RA1217 March 19, 2020
2019
- RA17 MKI Ser. N54 November 30, 2019
- The MA3772 1KW HF Combiner September 18, 2019
- The TA3762 250W Linear Amplifier September 17, 2019
- The RA3702 Dual HF Receiver September 17, 2019
- The MA3752 Dual HF Drive Unit September 16, 2019
- The Racal RA121 September 5, 2019
2018
- Full Racks! September 1, 2018
- Collins R-390/URR versus Racal RA17L September 1, 2018
- You Just Have To Laugh September 1, 2018
- The RA3712 Dual HF Receiver April 4, 2018
- A Linear LED Driver PSU January 10, 2018
- LED Driver QRM January 2, 2018
2017
- What happened to 2017? December 12, 2017
- The RA3701 HF Receiver June 22, 2017
- The RA3700 Series June 12, 2017
- The Racal RA63 February 16, 2017
- The Racal RA98 February 6, 2017
- Racal Sideband Adapters February 1, 2017
2016
- The Racal RA1792 September 14, 2016
- S-Parameter Test Set for the SDR-Kits VNWA August 10, 2016
- Updating my G3RUH GPSDO August 5, 2016
- Rapco 1804P9 GPS Disciplined Precision Frequency Source August 1, 2016
- VLF Reception ... SAQ on 17.2KHz! July 3, 2016
- 9cm Transverter PLL Update June 14, 2016
- PLL Upgrade for DB6NT MK2 13cm Transverter June 8, 2016
2015
- The Racal RA37A November 23, 2015
- The SA97 Wobbulator November 9, 2015
- Racal MA251 Buffer Amplifier September 8, 2015
- The Racal RA137A August 6, 2015
- Systron Donner Spectrum Analyzer Type 809-1 March 7, 2015
- The Racal RA117E January 21, 2015
2014
- R.1155L Ser. 0138 October 8, 2014
- A Modular Transverter for 3cm July 16, 2014
- R.1155E Ser. 69428 April 16, 2014
2013
- 1 Hour, 3 microwave bands! September 2, 2013
- Shack Refurb' 2013 August 1, 2013
- Is your RA17 a MKI or MKII? February 15, 2013
- Restoring two Vibroplex 'Bugs' February 1, 2013
- Spanish A.D.8882B January 20, 2013
2012
- A Replica Screwdriver for the T1154 November 20, 2012
- Custom Interface Unit November 1, 2012
- ISB Adapter type RA218 October 1, 2012
- The Racal RA117 September 1, 2012
- Another R1155 Restored June 6, 2012
- A Microphone Pre-Amplifier for the T1154 February 10, 2012
- A Power Supply for the T1154/R1155 January 20, 2012
2011
- Transmitter Type T.1154M Ser. 86102 November 20, 2011
- A Home-Made J-Switch for the T.1154 November 10, 2011
- R1155 Ser. 40696 November 1, 2011
- Racal MA.259 Ser. No. 1 July 1, 2011
2010
- The Racal RA1217 October 1, 2010
- Transmitter Type T.1154M Ser. 85660 April 1, 2010
- Refurbishing a 1940's Air Ministry Headset March 29, 2010
- Restoring an R1155 Receiver February 1, 2010
2009
- GM4CXM gets 13cm! July 10, 2009
- DB6NT 1.3GHz Transverter MKU 13G2B kit July 1, 2009
- A forced re-vamp of the 4m Transverter May 1, 2009
- Restoration of another MKI Racal RA17 March 26, 2009
- The Wadley Loop Explained March 1, 2009
- Restoration of a MKI Racal RA17 January 1, 2009
2008
- The GM0UHC Brand Image December 1, 2008
- 13cm Transverter for GM0USI September 20, 2008
- 23cm Consolidation September 10, 2008
- Not a 23cm PA! March 20, 2008
- A Replacement Soundcard Interface February 10, 2008
2007
- A better 4m PA November 10, 2007
- A High Power UHF Power Meter September 10, 2007
- GPS-Locked 9cm Transverter August 10, 2007
- Chasing an itch May 25, 2007
- A GPS Disciplined OCXO May 10, 2007
- MKII 9cm Transverter February 5, 2007
2006
- GM0UHC is back on 4m October 10, 2006
- First forays onto 9cm September 10, 2006
- Keeping the Prime Mover Alive July 29, 2006
- Spectrian PA for 13cm July 26, 2006
- Upgrading the 23cm Transverter May 27, 2006
- 18/24 Vertical March 15, 2006
2005
- Half-Size G5RV April 15, 2005
2004
- Shack Revision 2004 December 1, 2004
2003
- Transverters re-built November 1, 2003
- Winch Cable Woes July 1, 2003
2002
- The 'shack' in 2002 January 1, 2002
2001
- 300W HF Amplifier March 1, 2001
2000
- December 2000 December 1, 2000
1976
- GM8LWR August 1, 1976
1970
- In the beginning December 25, 1970