Hello. I want to share one of my recent projects – 3 el yagi for 70 cm band. It’s very light, portable and great for backpacking or hiking. I like hiking a lot so to have the necessary equipment is important. For HF bands I have IC-703+ and set of J-pole antennas. Many HAMs use […]
Hello everyone. Want to share another project for who like spend time with smelling flux and solder. The project is – Simple CAT Interface. I guess everyone knows what it CAT for, no isn’t CAT or DOG. Most of us have the cable CAT interface which we use to control our rig from computer. The […]
DISCONTINUED KIT PRICE – $32 with Free Shipping USA only. ASSEMBLED PCB – $30 with Free Shipping USA only. BLANK PCB – $12 with Free Shipping USA only. ASSEMBLED and TESTED – $55.00 with Free Shipping USA only. New PCB v 7.0 is arrived. Better Quality, easy to assemble and Lead Free. Hello everyone. I want to […]
The 4 Event Sequencer for transverters and power amplifiers (PA) is designed by US4ICI. You can buy it in my Online Store or on eBay. This 4 event sequencer has four outputs which able to sink up to 100 v at 7 amps and another output up to 30 v at about 10 amps for […]
Hello everyone. Do you like the Digi modes? If yes you might like this device. Basically it’s the CAT and Audio interface in one box. I use the cheap FTDI chip which works great under Windows 7 and 8 without any issues and troubles with installation. All parts are SMD and total cost of this […]
The typical connection between Baofeng UV-5R or UV-3R to smartphone/tablet PC for APRS. The VOX must be activated in menu (typical value 7). Use a program APRSDroid in your smartphone or tablet PC ($4.99). The wiring is OK only for Android based smartphones and Samsung Tabs. On some radios you might need use a resistors […]
Hello 2 all. Want to introduce one of my UHF projects. It’s a 4 way power divider for 23 cm band which can be used to make antenna stack arrays for contests or EME. I made many of this dividers and always they have very good performance. To make this divider you need to have […]
IC-7100 HEADSET ADAPTER HS-02C THIS ADAPTER 100% COMPATIBLE WITH: IC-7100, IC-703, IC-706MK2/G This amazing headset adapter HS-02C is great for field day, contesting or make your rig more portable with a headset and foot switch. The adapter has EMI filter which protects against RFI and internal RC filter makes your audio clean. I use this adapter […]
ASSEMBLED and TESTED BOARD – $29.99 with Free Shipping USA only. INTERNATIONAL BYERS MUST CONTACT ME FOR INQUIRY AND SHIPPING INFORMATION CURRENT VERSION – V2 Manual can be download HERE (in PDF) Hello 2ALL. This is a fresh and new design of Lightning Protection for Antenna Rotors (LPR) by Ivan RA3WDK. What is the LPR? LPR – […]
Hello everyone. I just want to show how you can disassemble and assemble the Chinese Baofeng UV-3R. Enjoy in Full HD. 73’s, Alex K6VHF
Hello everyone. Here is my another project for headsets or microphones. It’s an EMI-LPF filter. It’s a complete and finish device which you can use to protect your microphone against the EMI. There is a simple circuit for the EMI filtering and also has a LPF (Low Pass Filter) which rejects all frequencies below 300 […]
This circuit will turn on/off 12V DC fan or CPU fan when temperature above normal temperature.You can set turn on temperature by adjust VR1. This circuit use an NTC (Negative temperature coefficient)which is a thermistor is one in which the zero-power resistance decreases with an increase in temperature. So If temperature increate the voltage at […]
Want to put a connector on the rear panel of your transceiver but don’t want to drill… Check this out! NO DRILLING, NO WASTE OF YOUR NERVOUS SAVE YOUR TIME AND YOUR LOVELY TRANSCEIVER! Now your question- Why Do I need this bracket mount for? Some of us (QRM makers) wants to modify and get […]
Hi. Got the new stuff for sale. It is the Kenwood 4 pin to 8 pin microphone adapter. SPECIFICATIONS -Cable Length – 9” -High Quality Shielded Cable -Standard 4 PIN female connector -Standard 8 PIN Male plug 73, Alex K6VHF
Hi. Enjoy my new headset adapters for Icom and Yaesu transceivers. You can buy them in my store on eBay HEADSET ADAPTER HS-I01C Compatible with ICOM IC-775, IC-746/PRO, IC-756/PRO, IC-910H, IC9100 HEADSET ADAPTER HS-Y01F Compatible with YAESU FT-1000D/MARKV/MP, FT-2000, FT-950, FT-920,FT-DX5000, FT-847, FT-840 73, Alex K6VHF