Dr. Jack Mandelman K1VT joins us to talk about being a Ham and living in a neighborhood with an HOA that restricts antenna installations. We will talk about approaches and some equipment that one can use to be active on HF when living with such restrictions. We also touch on the role that transmitting and receiving magnetic loop antennas can play in getting you on the air from within an HOA restricted area. Our Website - http://www.hamradioworkbench.com/ Follow us on Twitter - https://twitter.com/hamworkbench Contact us for feedback and ideas - http://hamradioworkbench.com/contact Connect with us on Facebook - https://www.facebook.com/groups/hamradioworkbench/ Save $100 on the Digilent Analog Discovery 2 Package by using code “HamRadioWorkbench2018” in your cart prior to checkout - https://store.digilentinc.com/ham-radio-workbench-bundle/ Field Radio Podcast Ammo Can Repeater Episode - https://fieldradiopodcast.org/FRP10.php Changes to FRS and GMRS Regulations - http://www.arrl.org/news/fcc-personal-radio-service-revisions-will-affect-gmrs-frs-cb-other-part-95-devices Light Saver Max Portable Solar Charger - https://www.powerfilmsolar.com/products/lightsaver/lightsaver-max-portable-solar-charger QSO Today Interview - https://www.qsotoday.com/podcasts/k1vt BlueDV AMBE Software - https://www.pa7lim.nl/ambepage/ NWDigital ThumbDV AMBE Dongle - http://nwdigitalradio.com/wp-content/uploads/2012/04/ThumbDV-A.pdf DVMega DV Stock AMBE Dongle - http://www.dvmega.auria.nl/DVstick.html AFEDRI SDR - http://www.afedri-sdr.com/ HDSDR SDR Software - http://www.hdsdr.de/ OTARD - https://www.fcc.gov/media/over-air-reception-devices-rule Tarheel Antenna Mounts - https://www.tarheelantennas.com/mounts Tarheel Antenna Ground Radial Kit - https://www.tarheelantennas.com/accessories MFJ-2286 BigStick Telescoping Whip Antenna - http://www.mfjenterprises.com/Product.php?productid=MFJ-2286 MFJ-1886 Receiving Loop - https://www.mfjenterprises.com/Product.php?productid=MFJ-1886 LZ1AQ Receiving Loop Antenna Amplifier - https://active-antenna.eu/ LZ1AQ - http://www.lz1aq.signacor.com/ RCA Antenna Rotor for Loop Receiving Antennas - https://www.amazon.com/AUDIOVOX-Remote-Antenna-Rotator-VH226F/dp/B008468PWC/ref=sr_1_4?ie=UTF8&qid=1533953076&sr=8-4&keywords=antenna+rotor&dpID=41fgb5C1okL&preST=_SY300_QL70_&dpSrc=srch RFForb - RemoteHams - http://remotehams.com/ MFJ Window Antenna Feedthrough - http://www.mfjenterprises.com/Categories.php?sub=1&ref=99
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Get geared up for field operating and setting up your field workbench with John Jacobs W7DBO from the Field Radio Podcast. In segment 1, John outlines his method for organizing and planning your field radio adventures. In segment 2 we list essential tools, parts, and test gear you need for light weight trail ops and full scale Field Day deployments. We wrap up the show with an introduction to the Powerfilm Lightsaver MAX portable battery and solar panel.
Our Website - http://www.hamradioworkbench.com/ Follow us on Twitter - https://twitter.com/hamworkbench Contact us for feedback and ideas - http://hamradioworkbench.com/contact Connect with us on Facebook - https://www.facebook.com/groups/hamradioworkbench/ Save $100 on the Digilent Analog Discovery 2 Package by using code “HamRadioWorkbench2018” in your cart prior to checkout - https://store.digilentinc.com/ham-radio-workbench-bundle/ John Jacobs W7DBO Field Radio Podcast Comms To Go Field Radio Podcast on YouTube Segment 1 - Plan your Event Mission First Gear Second Identify what you want to accomplish and select gear to match What is your goal?
Field Expediency Doing work in advance selecting gear to maximize time on air versus time setting up / breaking down Field Tested Gear: Load out in living room, then load out in back yard, then load out in local park, then once gear is tested, attempt the big trip. Field test in your driveway or at the park first. Personal prep / Safety First: Personal Emergency Preparations, travel itinerary, weather observations, red flag warnings. 4 Goals:
Gear Must Be:
Segment 2 - Field Workbench Light weight radio events – SOTA, travel, casual operating, emergency prep Have a common simplex frequency Review the wilderness protocol Simplex frequencies:
Big radio events – Field Day, Contesting, Public service events TIP: Get a good cheap tool kit at Home Depot – HDX tool set $20. TIP: Get a bunch of cheap tools at Harbor Freight for the club. Goals
PowerFilm Solar Lightsaver MAX Portable battery and flexible solar panel
Cables Included:
Runs the KX2 fine. No charge controller noise detected on initial trial. 
George KJ6VU takes us through a thorough deep dive of the design of the 4-Port Coax Relay Project. We talk about the five major sections of the project - RF circuit switching with relays, control via PIC Microcontroller, the power supply, the user interface, and serial communications. Each section provides a reference design that could be leveraged in other projects.
Pick up the 4-Port Coax Relay Project Partial Kit from our store - https://www.hamradioworkbench.com/store/p6/4-Port_Coax_Relay_Partial_Kit.html Our Website - http://www.hamradioworkbench.com/ Follow us on Twitter - https://twitter.com/hamworkbench Contact us for feedback and ideas - http://hamradioworkbench.com/contact Connect with us on Facebook - https://www.facebook.com/groups/hamradioworkbench/ Save $100 on the Digilent Analog Discovery 2 Package by using code “HamRadioWorkbench2018” in your cart prior to checkout - https://store.digilentinc.com/ham-radio-workbench-bundle/ $130 Ham Radio Notebook? - Microcenter Winbook TW110 - http://www.microcenter.com/product/496689/TW110_116_Laptop_Computer_-_Black Windows 10 64 bit Drivers for the Microcenter Winbook TW110 are from the Medion Akoya e222x series - https://www.medion.com/gb/service/_lightbox/treiber.php?msn=30023301&prod=MEDION%20AKOYA%20E2228T%20(MD%2061050)%20A-UK Raspberry Pi B 3/3+ USB Boot Timeout 2 or 5 seconds - https://www.raspberrypi.org/forums/viewtopic.php?t=209416#p1313554 Microcenter Inland MLC SSDs - http://www.microcenter.com/search/search_results.aspx?Ntt=inland+ssd Stuart KB1HQS Portable Gear Loadout YouTube Video Series - https://www.youtube.com/watch?v=y3PF-f4-AUo&list=PLP-XG_VNrkF5ra0ptG0DGtbcBp53sUOii Portable Displays
EEVBlog Debouncing Video - https://www.youtube.com/watch?v=Nj-Q8FQxHhU&t=4s Swordfish basic - http://www.sfcompiler.co.uk/swordfish/ 4-Port Coax Relay Partial Kit
$40.00
The Ham Radio Workbench 4-Port Coax Relay project allows you to connect one radio to four antennas or four radios to one antenna. Two boards can be used to create sophisticated 4 to 4 switching matrix. This project gives you multiple ways to control the relays including local push button, local serial, XBee Wireless, and RS485. This project features:
This item includes the Printed Circuit Board and a Pre-Programmed PIC Microcontrollers Project Documentation and Parts List- https://www.hamradioworkbench.com/4-port-coax-relay.html 
George and Jeremy spend time talking about their 2018 ARRL Field Day Experiences. They discuss their general setups, what worked, what didn’t, and what they would do differently in 2019.
Our Website - http://www.hamradioworkbench.com/ Follow us on Twitter - https://twitter.com/hamworkbench Contact us for feedback and ideas - http://hamradioworkbench.com/contact Connect with us on Facebook - https://www.facebook.com/groups/hamradioworkbench/ Save $100 on the Digilent Analog Discovery 2 Package by using code “HamRadioWorkbench2018” in your cart prior to checkout - https://store.digilentinc.com/ham-radio-workbench-bundle/ IKEA Office/Workshop Blog Post
FD Logging Thought Exercise
QUAD Net DMR/DSTAR Bridge - https://www.openquad.net/ Netgear Nighthawk MR1100 Mobile Hotspot - https://www.netgear.com/landings/nighthawk-mr1100-mobile-router/default.aspx DVSwitch - https://dvswitch.groups.io/g/main/wiki/DMRlink DVSwitch GitHub - https://github.com/N4IRS MTR2000 Repeater Interface Board - https://www.motorolasolutions.com/en_us/products/two-way-radios/mototrbo/discontinued/mtr2000.html#tabproductinfo Hakko FR300 Desoldering Tool - https://www.amazon.com/Hakko-FR300-05-P-Desoldering-Tool/dp/B00KWM69C4 Full QSK / Semi QSK - https://en.wikipedia.org/wiki/QSK_operation_(full_break-in) Array Solutions Bandpass filters - https://www.arraysolutions.com/filters/bpf-hpf Pignology HamLog - http://pignology.net/hamlog.html Ohio Valley Experimenters Club KD8LBS - http://ovec.club/ Bay-Net Club - http://www.bay-net.org/ Elecraft AX-1 - https://va2ss.com/2017/10/19/elecraft-ax1-ultraportable-1720-meter-antenna-system/ SGC Tuners - http://www.sgcworld.com/ Minix PCs - https://www.amazon.com/s/ref=nb_sb_noss_1?url=search-alias%3Daps&field-keywords=minix #WBOTA Walmart Parking Lots on the Air - http://wmplota.org/ 
Jason Chonko from Siglent America is joined by Nick KN6NK to give an in-depth intorudction to spectrum analyzers. We talk about the specs, features, and engineering that make up this handy piece of frequency-domain test equipment. We also explore several common spectrum analyzer uses such as filter and cavity tuning as well as radio purity evaluation.
Our Website - http://www.hamradioworkbench.com/ Follow us on Twitter - https://twitter.com/hamworkbench Contact us for feedback and ideas - http://hamradioworkbench.com/contact Connect with us on Facebook - https://www.facebook.com/groups/hamradioworkbench/ Save $100 on the Digilent Analog Discovery 2 Package by using code “HamRadioWorkbench2018” in your cart prior to checkout - https://store.digilentinc.com/ham-radio-workbench-bundle/ Siglent America - https://www.siglentamerica.com/ Siglent SSA3000X Series Spectrum Analyzers - https://www.siglentamerica.com/spectrum-analyzers/ EEVBlog Interview with Eric Qin Founder and CEO of Siglent - https://www.youtube.com/watch?v=v9M397sUkEA Spectrum Analyzer Do’s and Don’ts - https://www.youtube.com/watch?v=E6P-R0C9ro0 Sweeping an Antenna for Return Loss - https://www.youtube.com/watch?v=X50qybdiLuk LXI Tools https://github.com/lxi-tools/lxi-tools SSA3021X/SSA3032X reviews: EEVBlog review https://www.youtube.com/watch?v=gkLciTsjGZg teardown https://www.youtube.com/watch?v=-8fr_otW0q4 Block diagram in teardown at 27:05 https://youtu.be/-8fr_otW0q4?t=27m5s The Signal Path http://thesignalpath.com/blogs/2017/09/20/siglent-ssa3032x-9khz-3-2ghz-spectrum-analyzer-tg-review-teardown-experiment/ 
One final piece of content from the 2018 Hamvention. Every year, the QRP Amateur Radio Club International hosts a QRP conference called Four Days in May that proceeds Hamvention. The event is home to a large collection of amateurs passionate about low power operation and building their own radios. George attended the event on Thursday and was able to capture talks by Hans Summers G0UPL of QRP-Labs fame and Dr. Jack Purdum W8TEE, famous in the BITX40 community. Hans talks about the development of his smash hit new transceiver kit, the QCX and Jack talks to us about homebrewing. Special thanks to QRP ARCI President Preston Douglas WJ2V for allowing us to record these great talks.
If you would like more information about QRP ARCI or are interested in joining, please visit http://www.qrparci.org/ We have launched the all new http://www.HamRadioWorkbench.com/ ! This includes our new Online Store where you can order Ham Radio Workbench projects that are currently in production. You can also find documentation for previous projects, an archive of our podcast episodes, and a new Blog where George and Jeremy will post articles. Our Website - http://www.hamradioworkbench.com/ Follow us on Twitter - https://twitter.com/hamworkbench Contact us for feedback and ideas - http://hamradioworkbench.com/contact Connect with us on Facebook - https://www.facebook.com/groups/hamradioworkbench/ Save $100 on the Digilent Analog Discovery 2 Package by using code “HamRadioWorkbench2018” in your cart prior to checkout - https://store.digilentinc.com/ham-radio-workbench-bundle/ Save 10% on a PowerFilm Solar 30 Watt foldable solar panel with Anderson Powerpole adapter cable - no code needed! https://www.amazon.com/dp/B0763QKSXY The giveaway for a free 30 Watt PowerFilm Solar Panel may still be active! http://bit.ly/WorkbenchPodcast Hans Summers G0UPL
Dr. Jack Purdum W8TEE
Adafruit ADABox - https://www.adafruit.com/adabox/ ZUMSpot Digital Voice Radio Hotspot - https://www.hamradio.com/detail.cfm?pid=H0-015993 MMDVM Github - https://github.com/g4klx/MMDVM Pi-Star - https://www.pistar.uk/ Leo Bodnar Mini GPSDO - http://www.leobodnar.com/shop/index.php?main_page=product_info&products_id=301 Time Nuts - http://www.leapsecond.com/time-nuts.htm Uputronics Raspberry Pi uBLOX GPS Module - https://v3.airspy.us/product/upu-rpigps/ KF7IJZ’s Overview of the new Hytera AR482G - the commercial gradio DMR Radio for Amateurs - https://youtu.be/igEXMLJ0QZY Precision Frequency References with Dr. Frank M Howell K4FMH -https://www.hamradioworkbench.com/podcast/precision-frequency-references Airspy R2 with 10MHz frequency Input - https://v3.airspy.us/product/a-airspy/ Airspy Groups.io - https://airspy.groups.io/g/main/topics FlexRadio 6400 - http://www.flexradio.com/amateur-products/flex-6000-signature-series/flex-6400/ 
Our Interview coverage from the floor of the 2018 Hamvention hosted by the Dayton Amateur Radio Association.
00:02:29 - QRP Labs - Hans Summers G0UPL 00:26:07 - Siglent America - Jason Chonko 00:37:09 - Hytera America - Matt Lunati N7OEI 00:52:20 - Small Batch Assembly - Bob Coggeshall KW4WQ 01:14:48 - FlexRadio Systems - Mike Walker VA3MW 01:31:04 - Open Research Institute - Michelle Thompson W5NYV 1:37:17 - TAPR - Steve Bible N7HPR 1:45:33 - LOOP Antenna - Sergio I3VHF 1:50:44 - Rigol North America - Steve Huss KC7ZVM 
This week George KJ6VU and Jeremy KF7IJZ are together in Xenia, OH for the 2018 Hamvention. This episode celebrates the two year anniversary of the Workbench concept, and we are joined by our extended family for the occasion - Mark “Smitty Halibut” Smith KR6ZY, Kenneth Finnegan W6KWF, Gerald “Powerpole the World” Wilson KF5JNU, and Brittany Mrs. IJZ sit in for this roundtable. We discuss Hamvention impressions, spending other people’s money, and (of course) DMR this week on the Ham Radio Workbench.
Eric Swartz WA6HHQ, co-founder of Elecraft, joins us to guide our understanding of RF receiver performance specifications. Eric introduces us to common receiver specs such as Sensitivity, Noise Floor, Dynamic Range, Intermod Dynamic Range, Phase Noise, and RMDR. He tells us what they mean in real-world receiver performance terms, how they are tested, and whether it’s better to have a higher or lower number in each one. It’s also the final episode before the 2018 Hamvention and George and Jeremy share our plans for our Booth, special offers, and exclusives for show listeners who stop by booth 3104 in Xenia.
Show Topic Begins at 1:09:36 Our Website - http://www.hamradioworkbench.com/ Follow us on Twitter - https://twitter.com/hamworkbench Contact us for feedback and ideas - http://hamradioworkbench.com/contact Connect with us on Facebook - https://www.facebook.com/groups/hamradioworkbench/ Hamvention DMR Hotspot - 439.3125 TG 31075 George will be giving a forum presentation - Saturday, May 19 - 2:45 Room 3 - “Quick tips for setting up your workbench, HamRadio Workbench Build Projects” Want to be on the show? Come to the booth and tell us what’s on your workbench! Project documentation will be indexed and available on this page - http://hamradioworkbench.com/ham-radio-workbench-project-board-index PowerFilm Solar 30Watt Foldable Solar Panel giveaway - http://bit.ly/WorkbenchPodcast We will announce the winners via our company Facebook page on or around June 1. Save $100 on the Digilent Analog Discovery 2 Package by using code “HamRadioWorkbench2018” in your cart prior to checkout - https://store.digilentinc.com/ham-radio-workbench-bundle/ Visit Digilent at booth 3002 QRP ARCI - Four Days in May - http://www.qrparci.org/fdim QRP Labs - https://www.qrp-labs.com/ Arduino Projects for Amateur Radio - https://www.amazon.com/Arduino-Projects-Amateur-Radio-Purdum/dp/0071834052 W6DQ QRZ Page - https://www.qrz.com/db/w6dq Sam Zeloff - Garage Chip Fab https://hackaday.com/2017/02/25/the-fab-lab-next-door-diy-semiconductors/ https://hackaday.com/2018/04/24/first-lithographically-produced-home-made-ic-announced/ https://hackaday.com/2018/05/03/more-details-on-that-first-home-made-lithographically-produced-ic/ Amp Hour Interview with Sam - https://theamphour.com/390-an-interview-with-sam-zeloof/ Sam Zeloff Youtube Channel - https://www.youtube.com/channel/UC7E8-0Ou69hwScPW1_fQApA Bletchley Park - https://bletchleypark.org.uk/ Update on George’s Projects on his blog - http://www.kj6vu.com/ Anker Powerline Cables - https://www.anker.com/products/110/Cables USB In-Line Multimeter - https://www.amazon.com/Eversame-Multimeter-Chargers-Capacity-Banks-Black/dp/B01D9Y6ZFW/ref=sr_1_3?ie=UTF8&qid=1525531260&sr=8-3&keywords=usb+meter Randy K7AGE YouTube channel - https://www.youtube.com/user/K7AGE Eric 4ZIUG QSO Today Podcast - https://www.qsotoday.com/ Jeremy’s Workbench made from IKEA Algot Shelving - https://pbs.twimg.com/media/Db6TKjGUQAAfvQ8.jpg:large IKEA Algot Shelving - https://www.ikea.com/us/en/catalog/categories/departments/bedroom/22798/ IKEA Bekant Desk - https://www.ikea.com/us/en/catalog/products/S09022804/#/S19022808 RF Receiver Specifications Guide from Eric Swartz WA6HHQ Elecraft Mailing List - http://www.elecraft.com/elist.html Sensitivity - How well can the receiver hear weak signals?
Sherwood Engineering Receiver Comparison List - http://www.sherweng.com/table.html 
Smitty KR6ZY joins as co-host this week as George is on vacation. Smitty will be making a road trip to Xenia, OH to attend the 2018 Hamvention for the first time. We talk about the preparations he’s undergoing to maximize his mobile Ham Radio experience as he drives cross country. He talks to us about operating and charging a Bioenno Battery from his car as well as a speaker level audio mixer he’s designing to mix the audio of all of his radios. Finally, we talk about Hamvention in general - including what to expect and what to look forward to. We look forward to seeing all of you at Hamvention in booth 3104 this year!
2018 Hamvention Discussion begins at 1:43:09 Our Website - http://www.hamradioworkbench.com/ Follow us on Twitter - https://twitter.com/hamworkbench Contact us for feedback and ideas - http://hamradioworkbench.com/contact Connect with us on Facebook - https://www.facebook.com/groups/hamradioworkbench/ Mark “Smitty Halibut” Smith - KR6ZY Twitter - https://twitter.com/smittyhalibut YouTube - https://www.youtube.com/user/SmittyHalibut Save $100 on the Digilent Analog Discovery 2 Package by using code “HamRadioWorkbench2018” in your cart prior to checkout - https://store.digilentinc.com/ham-radio-workbench-bundle/ D-Star Amateur Radio Satellite - http://www.d-star.one/ German Orbital Twitter Feed - https://twitter.com/germanorbital CubeSat - http://www.cubesat.org/ Our conversation on the Phase 4 B Ground Station - http://hamradioworkbench.com/hrwb040-amsat-phase-4b-ground-station-design MMDVM-HS-HAT Raspberry Pi Zero Hat - https://github.com/mathisschmieder/MMDVM_HS_Hat MMDVM-HS-Dual-HAT Raspberry Pi Duplex Hat - https://github.com/phl0/MMDVM_HS_Dual_Hat Mathis Schmieder DB9MAT - https://twitter.com/DB9MAT Florian Wolters DF2ET - https://twitter.com/flo_0_ Smitty’s Speaker Level Audio Mixer Design - https://www.youtube.com/watch?v=Su6cF3tQ1cM RD DPH3205 buck boost digital control Power Supply LCD display voltage converter - https://www.ebay.com/itm/292040615803?ul_noapp=true Case for DPH3205 - https://www.ebay.com/itm/132427419443?ul_noapp=true PI Zero USB Hub - Zero 4U USB Hub for Raspberry Pi Zero - https://www.adafruit.com/product/3298 Shutdown Pi via GPIO - https://www.raspberrypi.org/magpi/off-switch-raspberry-pi/ Pimoroni On/Off SHIM - https://shop.pimoroni.com/products/onoff-shim Raspberry Pi Voltage Regulator - power a pi from 5V-16V! - https://shop.pimoroni.com/products/wide-input-shim IKEA Algot Shelving - https://www.ikea.com/ca/en/catalog/categories/departments/bedroom/11751/ Online Design Tool to test for Fit and Finish - https://www.draw.io/ Hackaday - To Ferrule or not to Ferrule - https://hackaday.com/2018/04/12/to-ferrule-or-not-to-ferrule/ Ferrules - https://www.amazon.com/gp/product/B01LCG52C6/ref=oh_aui_detailpage_o01_s01?ie=UTF8&psc=1 IWISS Hexagonal Ferrule / Radial Crimper - https://www.amazon.com/gp/product/B00H950AK4/ref=oh_aui_detailpage_o01_s00?ie=UTF8&psc=1 Hamvention 2018 - http://hamvention.org/ List of Indoor Vendor - https://info.pcboard.ca/hamvention/hamvention2018-indoor/ List of Outdoor Vendors - https://info.pcboard.ca/hamvention/hamvention2018-outdoor/ 2018 Hamvention Forums - http://hamvention.org/wp-content/uploads/2018/03/2018-Forum-3-Day-Chart-v5.pdf |
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