Past Issues Archive

Here are the links to the golden-glow oldies of yesteryear.  

These are Acrobat pdf files and require that you have a recent version of Adobe Acrobat viewer installed on your computer.  You may view on screen, download and print the files. (Just don't try to sell 'em, please.)

After you are finished with each one, just click on your browser's back button to return to this page, or close the Acrobat window if it opened a separate window in your browser.

(Click on "Best of Hollow State" to access Reid Wheeler's compilations -- listed on a separate web page)

Please note:  When first uploaded, Issue #38 was missing a schematic which occupied all of Pg. 4.  That has been fixed.

Issue 38  -- Adventures with the R-392, Questions & Answers, Modified HQ-180 as SSB converter; Q-Multiplier connection; SP-600 serial numbers; SP-600 sales outside North America; SP-600 panel restoration, Short Subjects, R390/390A relay rectifier replacement; URM 25D repair case history; SP-600 BT's, RA17 review rebuttal

Issue 39 -- The Antenna Coupler CU-286/FRR-33 by Collins, Manuals - Some places to check, Hollowstate Information on the Internet, Classic Tube Testers, Questions and Answers, Short Subjects, Publications of Interest

Issue 40 -- Capt. Lee’s Product Detector for the R-390/R-390A - Revisited, Questions and Answers, Short Subjects, Publications of Interest

Issue 41 -- Capt. Lee’s Product Detector for the R-390/R-390A - Revisited –Part 2, Questions and Answers, R390A Manual Source Update; Tube Tester Roll Charts; R390 RF Tuning Coil Silver Tarnish; “SSB Adapter” – Revisited; URM-25D Rebuild Notes Supplement; Bristol wrenches, Publications of Interest – Osterman – Shortwave Receivers Past & Present – 2nd Edition

Issue 42 -- Hammarlund SP-600 Review (Part 1 of 2), Hammarlund SP-600 Suffix Numbers, Q & A, Publications of Interest – Fair Radio’s 1997 catalog

Issue 43 -- Hammarlund SP-600 Review (Part 2 of 2), Fixing the GFI Problem in the R-390/390A, Q & A, Short Subjects – a new e-mail reflector for R-390 family, Publications of Interest – R-390A Video Tapes

Issue 44 -- The Heath Vaccum Tube Voltmeters -- The Universal Test Instrument ..., Litz Wire - The Effect of Broken Strands

Issue 45 -- Calibration of the Cosmos PTO for the R-390A, Supplementary Grounding of the R-390A Antenna Trimmer, SP-600 Serial Number Survey Results, Antenna Balancing the R-390A, SP-600 ... Without Black Tubular Capacitors, IERC Tube Shields for the R-390A, Cleaning the R-390A Gear Train

Issue 46 -- Calibration of the Cosmos PTO - part 2, Restoration Projects - Resistors, Easy R-390A Audio Mod, Bristo or Bristol .. Mystery Resolved, Publication of Interest - R-390A Video Set Review

Issue 47 -- R-390A Carrier and Line Level Meter Alternatives, Reconstructing Power Supply Capacitors in the R-390A, Short Subjects

Issue 48 -- Subscriber Survey Results, Taming Power-On Current Surge, B+ Delay for the R-390A with Solid State Power Supply Mod, Cure for One Type of PTO Instability in the R-390A

Issue 49 -- Recapping Electronic Gear, Repairing Racal RA17 Receivers, Publications of Interest - Electric Radio

Issue 50 -- Editorship Change, R-390A/URR Order Number List No. 5, More Repairing Racal RA17 Receivers,  European Manual and Tube/Valve Sources

Issue 51 --  Recapping the SP-600, Editorship change

Issue 52 -- Solid State Voltage Regulator for the R-390/URR

Issue 53 -- Boatanchor Preservation - Defensive Packing & Shipping