Tim Ellison
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Articles
Recent activity by Tim Ellison-
How to Determine the Correct Amount of RF Preamp Gain for Different Band Conditions
Content provided by: Gerald Youngblood, K5SDRWhen do you need to use the RF Preamp?On HF, it is rarely the case, unless you are using external preselectors that have insertion loss. Before the inst...
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Setting up a SCS DR 7400 as a hardware pactor modem with the FLEX-6000
Content provided by: Rodney, KG5DWX The following information can be used to connect and setup a DR-7400 P4dragon PACTOR 4 Modem with any FLEX-6000 Signature Series SDR. Physical Connection: Con...
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Grounding Systems in the Ham Shack - Paradigms, Facts and Fallacies
Content provided by: Jose I. Calderon, DU1ANV - Makiling Amateur Radio Society. Member: Philippine Amateur Radio Association (PARA). Reprinted with permission of the author. Through the years, I ha...
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How to change a File Extension in Windows
This article outlines how to change a file extension in Windows. For example, you might want to rename a TURF file called MCALL_0110_4865_6500_2074._ip to MCALL_0110_4865_6500_2074.zip These instru...
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Amplifier Options for the FLEX-1500
Here are a few options for external RF amplifiers for use with the FLEX-1500. Interfacing a FLEX-1500 to an amplifier is pretty quick work. There is a PTT OUT line on the DB-9 connector on the rad...
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How to Disable Power Management for USB connected Devices
By default, Windows enables the power saving feature all USB ports known as USB Selective Suspend. This feature is supposed to save power by shutting down USB ports that are only used intermittent...
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Configuring N1MM to use MMTTY with a FLEX-6000
Content provided by Eduardo, KC8R I have a FLEX-6300 running SmartSDR for Windows and have been using 2Tone as the MMTTY replacement with N1MM, but I am guessing the configuration is the same. Bel...
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How to Manually Reinstall the FlexVSP Drivers
These instructions are for Windows 11 but are similar to previous versions of Windows.1.) Shut down SmartSDR and the FLEX-8000/6000.2.) In the Windows Control panel, go to "Programs and Features" o...
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Connecting an Ameritron ARB-704 PTT Relay Buffer to a FLEX-6000
Information provided by: Paul, W9AC Amplifiers can damage a FLEX-6000 TX Relay line if the amplifier has too much relay control voltage, voltage spikes, or excessive current on the relay control l...
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How to Reduce Network Bandwidth utilized by SmartSDR
By Steve Hicks, N5AC Just a note here to explain for anyone trying to optimize or reduce network bandwidth how much control you have over the bandwidth. The SmartSDR architecture was designed to a...