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Bill discovers a number of Tecsun S-8800 Hidden Features
Many thanks to SWLing Post contributor, Bill (WD9EQD), who writes: I’ve owned a Tecsun S-8800 for about eight months and have come to enjoy it more all the time. It, along with my PL-880, have become...
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Tecsun S-8800 Hidden Feature: Frequency display calibration
Many thanks to SWLing Post contributor, Dan Robinson, who shares the following procedure for calibrating the Tecsun S-8800. Dan received this procedure from Anna at Anon-Co: Apparently there is a...
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Tecsun PL-660 Hidden Feature: FM Calibration
Many thanks to SWLing Post contributor, Rick B, who writes: I just thought I’d share with you a hidden function I discovered documented on the web for the Tecsun PL-660. It’s how to calibrate the FM...
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Schematic for the PLL EDUTEC 4-Band Digital Radio Weltempfänger?
Many thanks to SWLing Post contributor, Cezar Vener, who writes with the following inquiry: I would like to ask you if you can help me with a schematic diagram for an EDUTEC 4-Band digital radio (PLL...
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How to fix the Grundig S350DL’s mechanical tuning drift problem
The S350DL may look like a digital radio, but it’s actually analog inside and tuning is prone to drift. Many thanks to SWLing Post contributor, Ed, who noted my comments about the Grundig S350DL’s...
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Tecsun PL-680: Rolf touts enhanced performance using PL-660 mod
Many thanks to SWLing Post contributor, Rolf Snijder, who writes: I have made the same modification to the Tecsun PL-680, that was done [by many on the] PL-660 earlier. The PL-680 is now a great...
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Tecsun PL-300 series modification: disabling soft mute
Many thanks to SWLing Post contributor, Troy Riedel, who shares the following tip. Troy writes: While surfing the Net I found the following procedure that is said to “disable soft muting in Tecsun...
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Rolf’s PL-680 modification allows external antenna on LW and MW
The Tecsun PL-680 Many thanks to SWLing Post contributor, Rolf Snijder, who writes: I did a modification today on the Tecsun PL-680 [which allows for an] external antenna on LW and MW. The internal...
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Tecsun PL-880 hidden feature/hack: 1 kHz bandwidth on shortwave
[Note: This procedure was updated and simplified by Guillermo on 22 December 2017] Many thanks to SWLing Post contributor, Guillermo, who writes: I own the PL-880 and just discovered a new feature : a...
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Rolf’s LED backlight mod for Sony ICF-SW35
Many thanks to SWLing Post contributor, Rolf Snijder, who writes: This is a simple LED backlight modification for the Sony ICF-SW35. Simply add a 120K resistor and a bright LED: Overview of resistor...
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XHDATA D-808 modification to allow an external mediumwave antenna
Many thanks to SWLing Post contributor, Rolf Snijder, who writes: I have added an external antenna capability for mediumwave on the XHData D-808. Simply add a 27 pF capacitor on the backside of the...
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Pacific Island Results from Gary DeBock’s Hawaii Ultralight DXpedition
Clearing the southern coastline of Maui en route to the Big Island. (Photo by Gary DeBock) Many thanks to SWLing Post contributor and intrepid Ultralight DXer, Gary DeBock, who shares this DXpedition...
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Guest Post: Supercharging the XHDATA D-808 with a 7.5″ loopstick
Many thanks to SWLing Post contributor, Gary DeBock, for sharing the following guest post: Supercharging the XHDATA D-808 Installation of High Performance AM and LW Loopsticks By Gary DeBock,...
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An external battery pack for the Sony ICF-SW35?
Many thanks to SWLing Post contributor, Adam, who writes: Hi Thomas I enjoy reading your blog and often when I put a question in Google yours is the first on the list so I wonder if you’d mind if I ask...
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Tivdio V-115: Simple modification to abate internally-generated noise
Many thanks to SWLing Post contributor, Marc Thomas, who shares a link to this site which describes modifications to eliminate the Tivdio V-115’s internal noise. In a nutshell, the author made two...
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Video: N1SPY brings a GE seven band radio back to life!
Many thanks to SWLing Post contributor, Ivan Cholakov, who writes: Thomas Cholakov (N1SPY) picked up an old General Electric radio from the 2019 Orlando Hamcation and brought it back to life....
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Imre’s HanRongDa HRD-737 modification increases sensitivity
Many thanks to SWLing Post contributor, Imre Olajos, who writes: Hi, HRD 737 lovers! I have a good news! I (became brave enough to) modify my HRD-737. I tried reverse-engineering- but I gave up. No...
View ArticleJesse’s DX-390/ATS-818 modifications
Many thanks to SWLing Post contributor, Jesse (W9JES) who writes: I’ve been busy enhancing my Radio Shack DX-390. I added an IF-Out jack for my SDR, changed out the light for a LED, added a latch...
View ArticleVideo: Antonio’s Kenwood R-2000 Modifications
Many thanks to SWLing Post contributor, Dan Robinson, who shares the following: Antonio Fernandez, who is in Spain, posted this on the Extreme page. Very interesting R-2000 mods: Major modifications...
View ArticleYou’ve Been Warned: Emilio just brought a Grundig Frankenradio to life–!
Many thanks to SWLing Post contributor (and certified mad scientist), Emilio Ruiz, who writes: Recently I was given a broken Grundig G8 Traveler II. This radio had an accident–the case, speaker,...
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