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CHIRP Primer

posted Jan 21, 2014, 10:29 PM by Brian Lawler

My apologies for forgetting to post the CHIRP Primer that I wrote as an adjunct to the presentation I did at the October meeting.  You will now find it in the FILES section under the Digital Group menu.  There are links in the document for local area amateur and public safety frequencies.

-KN0N

Here is a link to the Digital Group files section: DG Files

TNC-PI

posted Dec 3, 2013, 9:36 PM by Brian Lawler

At our last Digital Group Meeting a couple of the guys were asking if I could share the document  by John A. Hansen, W2FS. He is the creator of the TNC-Pi. This document includes some notes that are not available on the TNC-Pi web site that might be helpful to anyone building the kit.
 
I found a link to a digital copy of that document.  Maybe you could post it so those who want it can download it themselves.
 

April 2013 Meeting Notes

posted Apr 16, 2013, 10:50 PM by Brian Lawler

The April meeting was a help-fest to get people up and running with FLdigi software.  Before the playtime began we discussed whether we should purchase one or more UDR units from NWDigitalRadio.com  Chuck Keiper moved and Budd Churchward seconded a motion to register the club's INTENT to purchase two radios.  The motion passed with NO dissenting votes.  This was not a vote to make the purchase  since the company is not actually taking $$ yet.  In addition, four individuals registered their intent to purchase single units for their themselves so KN0N collected that info and registered the information on the NWdigitalRadio web site.  By the way the treasurer KC7IJH read the bank balance (which I forgot to write down) but it was North of $1700 and we have 18 paid members for 2013.

March 2013 Meeting Ferndale Library

posted Mar 18, 2013, 8:17 PM by Brian Lawler

We are back at the usual digs this month, Ferndale Library 7pm Tuesday March 19, 2013.  Bring your portable computer/interface/radio set up to play with good old packet (Winlink).

FEBRUARY MEETING CHANGE

posted Feb 18, 2013, 11:12 AM by Brian Lawler

Due to scheduling conflicts our FEBRUARY 2013 meeting of the Digital Group will be at BOB'S BURGERS and BREW in FERNDALE on Tuesday February 19 at 6:30 PM.  LINK

Meeting Notes

posted Dec 21, 2012, 9:12 AM by Brian Lawler   [ updated Dec 22, 2012, 12:52 AM ]

November DG Meeting:

Our special guest was Bryan Hoyer who showed  a prototype of the UDR56K-4 "smart radio".  The unit is a transceiver/computer hybrid that can perform just about any digital communication task that you ask it to.  Details are at the NWDigitalRadio web site.


December DG Meeting;

Art Miller has launched his project to provide refurbished PCs to a non-profit organization. For details contact him at KC7SDA@hotmail.com

KN0N showed his "Pirate Box" a pocket sized cordless/wireless chat/bulletin/file server. http://wiki.daviddarts.com/PirateBox  PirateBox uses a cheap TP-Link wifi router ($23),  USB thumbdrive ($6), and battery ($10) with a modified version of Open-WRT firmware.

KN0N also showed how to use the Signalink USB as a packet TNC to connect to RMS servers via VHF.  The TNC function is performed by the Signalink and UZ7HO SoundModem software.  The Winlink client is Packlink, available from Winlink.org   The final piece required is an email client for sending and receiving through Packlink.  Your favorite will work as long as it supports POP3 and SMTP.  "Popcorn" is my current lightweight choice. http://www.ultrafunk.com/popcorn/  As far as I know, the Soundmodem is only supported on Windows machines.





How to Learn- FAIL!

posted Oct 22, 2012, 2:23 PM by Brian Lawler

Jeri Ellsworth - Geek Goddess

YouTube Video



October Meeting Notes

posted Oct 18, 2012, 2:29 PM by Brian Lawler

October 2012 MBARC-DG Notes

KN0N demonstrated the operation of the Realtek USB SDR receiver http://sdr.osmocom.org/trac/wiki/rtl-sdr

WA7FUS discussed and passed around the DVRPTR GMSK modem http://tech.groups.yahoo.com/group/DVRPTR/

KC7SDA demonstrated his awesome online amateur exam generator http://www.nouse4anick.com/hamradio/

WA7FUS and WB7FHC talked about the Raspberry Pi http://www.youtube.com/watch?v=XaaO6WMkdlo

Be sure to mark your calendar for the November meeting where there will be a presentation on the new digital radio that is being developed here in the Northwest.  You can learn about it toward the end of the Raspberry Pi video link above.



September 2012 Meeting Notes

posted Sep 18, 2012, 10:32 PM by Brian Lawler

The meeting was called to order by Hizzhonor Kelly KJ1U.  The treasurer's report was read before the secretary had his pen and paper so I missed that.  Basically all the money was still in the bank that was there at the last meeting.

Introductions were made.  SIXTEEN members present- and we did not even send out a reminder!  Great to see everyone.

Kelly advised that the club antenna analyzer is now in KA0WFI's possession.

KN0N and KC7IJH talked about the $28 SDR receiver that they have.  Unfortunately the demo did not go because the computer was on the fritz.  Details in the previous post.

Bruce N7RR promoted his home study Tech, General, and Exrtra license classes that have been very successful.  Email Bruce at N7RR@mail.com for details.

KN0N advised that regular license exams are back on track in Whatcom County.  SECOND Saturday of EVEN months, 10:00AM at Nelson Driving School, 2300 James St.  Bellingham.

KA0WFI and N7RR gave a hands on demo of the fantastic Elecraft KX3 HF radios.

Budd Churchward WB7FHC mentioned a cool tool for "internet enabling" all kinds of devices.  http://electricimp.com/

N7RR show a neat "gender-less" Velcro substitute called Dual Lock  

SDR files from September 2012 meeting

posted Sep 18, 2012, 4:32 PM by Brian Lawler

As demoed at the meeting tonight:

The E-Bay listing for the USB stick
http://www.ebay.com/itm/EzTV666-USB-Stick-SHIPS-FROM-USA-E4000-Tuner-RTL2832-RTL2832U-RTL-SDR-EzTV-666-/160786708241

The E-Bay listing for the PAL-to-BNC adapter
http://www.ebay.com/itm/ws/eBayISAPI.dll?ViewItem&item=220952673955&ssPageName=ADME:L:OC:US:3160#ht_1498wt_1180

The SDR software
http://sdrsharp.com/downloads/sdr-nightly.zip

USB TV stick driver
http://rtlsdr.org/softwarewindows

Virtual Audio Cable software (allows you to route audio into a
different sound card decoding software virtually)
http://software.muzychenko.net/eng/vac.htm (not needed for Soundblaster and some other cards)

UniTrunker (Software that decode trunking control channel)
http://www.unitrunker.com/

Trunk88 (DOS looking software that gives you a lot more info than
UniTrunker. It looks the same as Motorola's trunking monitor)
http://www.trunk88.com/index..php?title=Main_Page

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