‰ NOW 35 WPM ‰ TEXT IS FROM APRIL 2018 QST PAGE 42 ‰ PRODUCT REVIEW APACHE LABS ANAN 8000DLE HF AND 6 METER SDR TRANSCEIVER REVIEWED BY DR. TERRY G. GLAGOWSKI, W1TR W1TR YCCC. ORG SOFTWARE DEFINED RADIO SDR IS FAST BECOMING A MAINSTREAM TECHNOLOGY FOR AMATEUR RADIO. THE APACHE LABS 8000DLE IS A DIRECT SAMPLING SDR THAT USES DIGITAL DOWNCONVERSION AND DIGITAL UPCONVERSION DDC/DUC. IT IS THE LATEST IN THE EVOLUTION OF SDR TRANSCEIVERS FROM APACHE LABS AND IS BASED ON THE ORION MKII BOARD. THE 8000DLE OPERATES ON 160 THROUGH 6 METERS, INCLUDING COVERAGE FOR MILITARY AUXILIARY RADIO SYSTEM MARS FREQUENCIES OUTSIDE THE HAM BANDS. MODES OF OPERATION INCLUDE SSB, FM, AM, SYNCHRONOUS AM, CW, AND DIGITAL. INTERFACE TO THE 8000DLE HARDWARE IS VIA ETHERNET, USING VIRTUAL AUDIO CABLE VAC AND VIRTUAL SERIAL PORT EMULATION VSPE. THE TRANSMITTER OPERATES AT UP TO 200 W OUTPUT, SO A 13R8 V DC SUPPLY AT UP TO 35 A IS REQUIRED. THE 8000DLE REQUIRES A COMPANION COMPUTER AND SOFTWARE TO OPERATE, WITH MINIMUM SPECIFIED REQUIREMENTS OF AN INTEL I3 PROCESSOR 2R8 GHZ OR BETTER, 4 GB RAM, AND 1,280 1,024 DISPLAY. A NUMBER OF OPEN SOURCE SOFTWARE APPLICATIONS CAN BE USED WITH THE 8000DLE. THE MOST POPULAR IS POWERSDR/OPENHPSDR MRX PS WELL JUST CALL IT OPENHPSDR, WHICH I USED FOR THIS REVIEW. IT REQUIRES MICROSOFT WINDOWS 7 OR HIGHER, AND THE SOURCE CODE AND INSTALLATION PACKAGE ARE AVAILABLE FOR FREE DOWNLOAD. PREVIOUS ‰ END OF 35 WPM TEXT ‰ QST DE W1AW ƒ