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... the Radio Shack agent and later Amstrad dealer in Dominion Road, Auckland. During this time, Bill Porter the owner used a heavily modified TRS-80 Model 4 for software development.  10 years after ...
... GPS modules.  The Ashtech g8 is a late 1990's GPS module designed for integration into OEM equipment.  I picked up a several at an Amateur Radio junk sale a few years back and hadn't really put ...
... in the late 90's and was staggered when I went over to pick it up because it was the machine that Bill Porter (the owner of Porterfield Computers... the Radio Shack agents) used for all his software development ...
... available in retail stores down here (not sure about the US... I heard that Radio Shack was selling Arduino so they may have them) and these can be easily modified to connect J5 and J10.   Here ...
After changing from using the Yaesu FT-817 protocol I picked the ICOM IC-725 as a reference having never seen one.  It seemed fairly representative of the use case for the DDS module as a generic ...
... protocol so the DDS module can be used in a rig and powered by Ham Radio Deluxe. I started by trying to implement the Yaesu FT-817 CAT protocol.  It seemed fairly simple and didn't require a ...
Test board for the cheap eBay DDS modules. The board is based on a design by WB2V with software enhancements by AA0ED and AA0ZZ. The cheap AD9850 DDS modules currently available on eBay are ...
The cheap AD9850 DDS modules currently available on eBay are a great starting point for a signal generator project but are a little short on documentation. The pinout and relationship to ...
KA6BFB/N6BIL FT-736R HRD interface (http://home.comcast.net/~tinkyr/736/N6BIL%20Hardware%20Emulator.htm) assembled from through hole parts. Emulates an FT-847 so Ham Radio Deluxe can control the RX ...
10. Codan N3ZI DDS
(JAQ/BLOG)
Another project in progress.... installing an N3ZI DDS2 into a Codan 6801 Marine transceiver. The N3ZI works well as a crystal replacement and requires no buffer amplifier in ...
11. SI570 QRSS Beacon
(JAQ/BLOG)
My MEPT QRSS and WSPR beacon is controlled by a DLink DSL-502T running OpenWRT. The QRSS and WSPR messages are generated by directly controlling the frequency of an Si570 chip.  The interface ...
... For 2 years this worked well and then the Packet Wacker died. Around this time i had been playing with DLink DSL-502T ADSL models and reflashing them with OpenWRT to provide Amateur Radio IGate services.  ...
As mentioned elsewhere the TNC we use in the Igates is based on the ATMega8 based TNC design from Henry Carl Ott (N2RVQ). For those interested in constructing their own here is the schematic  ...
There are 5 LED's on the front of the DSL-502T.       Not much to say about the Power LED.  If the power is connected it should be lit.   ...
Items you need to get started:   1.  The “Damn Small Linux” ISO from http://distro.ibiblio.org/pub/linux/distributions/damnsmall/current/current.iso burn to a CD (approx ...
... added bonus I didn't expect.   I don't have one of the more recent Yaesu radios such as the VX2, VX6 or VX7 but FTB-7800 supports exports for KC8UNJ's Commander software for each of these ...
In addition to configuring the DLink DSL-502T routers for the IGate project we also needed a TNC to connect between the radio and the serial port. Our TNC selection was based on the following criteria: ...
When building OpenWRT Kamikaze 8.09.2 for the DSL502T there are a number of mobiles included by default that are important if you are using the device as a modem but unnecessary if you plan to use the ...
... For 2 years this worked well and then the Packet Wacker died. Around this time i had been playing with DSL502T's to provide Amateur Radio IGate services and had a build environment configured for ...
This project came about because a group of amateur radio operators in Auckland wanted to improve the APRS receive coverage by using IGates to add receive only coverage around South Auckland. We ...
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Contact Andrew Quinn

jaquinn@ihug.co.nz http://twitter.com/jaquinn