HRWB056-Field Radio Workbench

Published: July 31, 2018, 7 a.m.

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HRWB056 Field Radio Workbench Banner

Get geared up for field operating and setting up your field workbench with John Jacobs W7DBO from the Field Radio Podcast. \\xa0In 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. \\xa0We wrap up the show with an introduction to the Powerfilm Lightsaver MAX portable battery and solar panel.

Our Website - http://www.hamradioworkbench.com/

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Save $100 on the Digilent Analog Discovery 2 Package by using code \\u201cHamRadioWorkbench2018\\u201d in your cart prior to checkout - https://store.digilentinc.com/ham-radio-workbench-bundle/

Segment 1 - Plan your Event

Mission First Gear Second

Identify what you want to accomplish and select gear to match

What is your goal?

  • Day trip vs overnighter?
  • Hotel vs camping vs backpacking?
  • Travel focus or radio focus?

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:

  • Get On The Air
  • Stay On The Air
  • Be An Effective Communicator
  • Have Fun

Gear Must Be:

  • Modular
  • Tested
  • Portable
  • Understood

Field Radio Podcast

Comms To Go

Segment 2 - Field Workbench

Light weight radio events \\u2013 SOTA, travel, casual operating, emergency prep

Have a common simplex frequency

Review the wilderness protocol

Simplex frequencies:

  • 146.52 \\xa0<-- primary
  • 446.0
  • 223.5
  • 52.525
  • 1294.5

Times to Monitor

  • 07:00 - 07:05
  • 10:00 - 10:05
  • 13:00 - 13:05
  • 16:00 - 16:05

EDC \\u2013 Every Day Carry bag

  • Leatherman / Gerber multi-tool
  • Pocket knife
  • Multi bit reversible screwdriver
  • Flashlight
  • Duct tape, electrical tape, gaffer\\u2019s tape wrapped on a credit card
  • 5v USB external battery and cell phone cable
  • Radio, antenna, battery pack,
  • Lighter
  • Survival tin
  • Cash
  • Micro first aid kit
  • Pen / pencil / notepad

Goals

  • Minimalist set of gear \\u2013 small, lightweight
  • Easily carry in a backpack
  • Fix common problems \\u2013 fix connections, cut stuff / fix stuff

Tools

  • Multi tool \\u2013 Full size Leatherman or Squirt ES4
  • Pocket knife \\u2013 Swiss army, Victronix, Gerber, etc.

Parts

  • Wago wire nuts
  • 2\\u2019 Solid wire
  • Gaffers tape \\u2013 small roll
  • Fuses if your radio has fuses

Other stuff

  • Head lamp
  • Mini volt meter

TOP TAKE-AWAYS

  • Practice setting up your gear and see what tools you use.
  • Look at your gear and imagine what could break. \\xa0Figure out what you need to fix it.
  • Focus on the weakest items. \\xa0Cables, connectors, batteries, wires, adapters.

Big radio events \\u2013 Field Day, Contesting, Public service events

Goals

  • If anything breaks you can fix it
  • Balance between being well prepared and going light and easy.

Mechanical tools

  • Screwdrivers, pliers, wire cutters, socket set, wrenches, hammer, pry bar
  • Allen wrenchs, hex drivers, wire strippers, tape measure, box cutter,
  • Xacto knife and spare blades, scissors,

TIP: \\xa0Get a good cheap tool kit at Home Depot \\u2013 HDX tool set $20.

TIP: \\xa0Get a bunch of cheap tools at Harbor Freight for the club.

Electronic tools

  • Power pole crimping tool
  • Coax connector crimping tool with die for N, UHF and BNC connectors
  • Lug crimp tool
  • Butane soldering iron
  • DC AA batt soldering iron
  • Jet lighter
  • Helping hands or small vice
  • Head lamp and LED desk lamp

Consummables

  • Electrical tape \\u2013 Scotch 33
  • Rescue tape
  • Zip ties
  • Shrink wrap
  • Solder and solder wick
  • Paracord

Parts

  • Spare coax connectors
  • Coax adapters
  • Crimp lugs
  • Fuses
  • Various resistors, caps,
  • Power Pole connectors
  • Wago wire nuts
  • Audio adapters \\u2013 \\xbc to 3.5mm
  • Wire
  • Various stranded and solid
  • Buss wire (solid)
  • Batteries \\u2013 AA and AAA
  • Various screws, nuts washers

Test equipment

  • Antenna analyzer
  • 12 VDC power monitor with power poles
  • VOM \\u2013 you are not \\xa0making precise measurements \\u2013 cheap is OK. \\xa0You are mostly measuring voltages or resistance.
  • TIP: \\xa0Harbor freight $5 VOM. \\xa0Get 2.
  • Coax jumpers
  • Aligator clip jumper wires

General TiPs

  • Look at your radios. \\xa0Assume any cable or connector can and will break. \\xa0
  • Have spares for all breakable components
  • Organize your stuff in modules
  • Mechanical tools and parts
  • Electronic radio tools and parts
  • Electronic test equipment

Cases

  • DeWalt stackable drawers
  • Heavy duty tool bags

PowerFilm Solar Lightsaver MAX

Portable battery and flexible solar panel

Battery: 18000mAh 66 Wh

LiPo batteries are 3.7v so the capacity is 4.8 Ah

Solar panel guess is about 10 watts

Input: USB-C (3A), 12V (2A)

Output: Dual USB-A (2.5A), 12V (5A peak)

Weight: 1.5 lbs Size: Rolled: 13.5\\u201d x 2.5\\u201d Unrolled: 34.5\\u201d x 13.5\\u201d

Solar Charge: 6-8 hours full sun

Wall Charge: 3-4 hours (12V) 6-7 hours (USB-C) 8-10 hours (USB)

Battery state indicator is a row of LEDs.

Built in flash light LED on the end

Cables Included:

USB-A to USB-C Cable

12V Input Charging Cable

12V Output Cable

Runs the KX2 fine. \\xa0No charge controller noise detected on initial trial.

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