Here is an excellent article on updating the Hallicrafters SX-28 receiver as scanned an article from the May 1959 issue of CQ magazine. There is good material in there on a great receiver. The updates involve improving six areas:
I haven't yet tried any updates on my SX-28A. I plan on doing some updates within the year. With some clever thought, it should be possible to install most of these changes so that they can be removed to restore originality. Please document your changes for future owners of your equiment. If you try these updates, please share your results. The material is in GIF format. You may be able to print from your browser. Otherwise you can save a copy to your computer and print with your favorite program. Save the images by right clicking on them and then left clicking on "Save Image As..." (Netscape) or "Save Picture As..." (Internet Explorer). Save the image file in a suitable location and then view/print with a graphics program such as Ulead PhotoImpact or Adobe PhotoShop, etc. You can also download and use a freeware view program such as Xnview or IrfanView (see InfranView notes).
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To insure that InfanView works correctly with these GIF files, you must not use the "Fit to the desktop" function. On the Image menu, uncheck "Best Fit to Desktop." On the Options - Properties - Viewing menu, uncheck "Always Fit To Desktop For Big Images."
Latest update: 4/23/06