http://nwdigitalradio.com/udr-progress-report

Have you ever thought about product names? It's kind of important. A good name will identify a product in such a way that the observer is quick to understand the purpose of the product. We have been

Transmit testing is well underway and I have begun the board spin to prototype II, in parallel with receiver characterization. In the process I have added a small housekeeping processor to the radio

Is the "Pre-Order Confirmation" a commitment to buy, or just a confirmation of intent?

See new information on http://nwdigitalradio.com Sent from my iPhone

Press Release 30 December 2013 Friday Harbor, WA NW Digital Radio Universal Digital Radio Name Change to UDRX-440 NW Digital Radio has renamed it's forthcoming digital radio platform. Since its

Hi all: I have a quick question on the implementation of the separate TX and RX ports on the UDRX: I realize its half-duplex, so will there still be T/R switching internally to protect against tx rf

Hi Jim, Remember that you should also install a low pass filter or band pass cavity after the isolator to keep it off the antenna for IM reasons. John Lloyd, K7JL Jim Kusznir wrote:

Sorry, my diagram did not indicate that I do also have a band pass filter on the output of the isolator before the RF goes back to the radio. In my current setup, I have 2 3-port TX/RX isolators goin

http://nwdigitalradio.com/dds-success http://nwdigitalradio.com/dds-success

When using email over RF either peer to peer or winlink a mail client is required. We support POP3 and IMAP so you may use your favorite standard email client such as Outlook, AppleMail or Thunderbir

To all, The purpose of the forum is for you to ask questions about the UDR and post your thoughts on Digital Amateur Radio. In addition, we use it to gain insight into how you want to use the UDR so

Seems the same thing (or nearly) like the "hamnet" we have here in europe Tcpip based high speed network Dg9bfc Sigi

In Canada, band starts at 430mhz. Doug, ve7ept

Back in the mid 90s, when packet radio was well established in the PNW, Vancouver Island, the B.C. mainland, and the Puget Sound area was well served by a network of nodes and BBSs. The 1200 baud net

What about using a highpass with about 400 megs?!? Dg9bfc Sigi

Yes, very similar. The significant difference I see (and maybe this is just due to my inability to read German) is that HamWAN attempts to research and provide specifications for similar networks. Ou

We have changed the configuration of our DV3000 add-on board to use the same 26 pin header as the Raspberry Pi. The boards are working in the lab now and are headed off for application integration. Tw

The UDR has a SAW Filter in both the transmit and receive paths. We are currently using a 440MHz filter with a 19MHz BW, meaning we are 3db down at 430.5MHz and 449.5MHz. I have been searching for 2

Jonathan Naylor, G4KLX -- developer of the open source D-STAR suite of software <http://opendv.berlios.de> and contributor to the Linux AX.25 stack will be coming to Dayton Hamvention this year. He w