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June 16th 2025 #256 - Coax and Microphone Projects | W3GMS Workbench

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Manage episode 489506980 series 3669859
Content provided by Dylan K3DZM. All podcast content including episodes, graphics, and podcast descriptions are uploaded and provided directly by Dylan K3DZM or their podcast platform partner. If you believe someone is using your copyrighted work without your permission, you can follow the process outlined here https://podcastplayer.com/legal.

Host: Greg (W3DIB)
Theme: Field Day Prep, Coax Projects, and Microphone Cable Woes

šŸ”§ Technical Questions

Q1: Straightening Coiled Mic Cables (N3RBN)
Paul asked if there’s a reliable way to straighten the coiled section of an RJ-style microphone cable to reterminate it. Responses included:

  • Chuck (NA3CW) and others suggested buying a cheap knockoff mic just for the cable, then rewiring.
  • Scott (W3KZG) seconded the idea—some knockoffs fit well and don’t even require soldering.

Q2: Remote Relay vs. Direct Coax Run (KC3SQI)
Wayne asked if it’s better to run a home-run coax for a 2m antenna or share a remote relay rated only for 6m.

  • Ron (WA3VEE) and Jim (KC3RFG) strongly recommended running dedicated coax to minimize signal loss and prevent mismatches.
  • John (WA3KFT) shared his experience running 14 coax lines with high-quality switches, warning about specs and reliability.
  • Consensus: fewer interconnections, always better.

šŸ“” Roundtable Highlights

  • Field Day Fever:
    Many ops are prepping hard—testing coax, installing connectors, tuning antennas. Chuck (NA3CW) and Joe (W3GMS) led a coax connector demo that was widely praised.
  • APRS Success:
    John (KC3WWC) had a blast during APRS Thursday—received 174 messages from across the globe in 12 hours!
  • First 6m Contacts!
    Jim (KC3RFG) made his first contacts on 6 meters thanks to some recent solar activity—repaired his mag-mount antenna with a solder rework.
  • Project Progress:
    • Keith (KB3ILS) dove deep into bandpass filter design, winding toroids and using a NanoVNA and oscilloscope.
    • Scott (W3KZG) is renovating a trailer to double as a field day camper and ATV hauler.
    • Wayne (KC3SQI) poured concrete for his new tilt-over mast.
    • Ron (WA3VEE) helped tune the 40m dipole for Field Day, now resonant at 7.150 MHz.
    • Jon (WA3KFT) shared a robust setup with 14 coax switches and specialty tools from DX Engineering.

šŸ’¬ Community Notes

  • Health Check-Ins:
    The net closed with updates and well-wishes for an operator dealing with a medical emergency—several ops shared hospital updates and encouraging words.
  • Father’s Day Recaps:
    Several shared heartfelt stories of family time—steak dinners, grandkid babysitting, and ā€œgiftsā€ like temporary pet duty.
  continue reading

6 episodes

Artwork
iconShare
 
Manage episode 489506980 series 3669859
Content provided by Dylan K3DZM. All podcast content including episodes, graphics, and podcast descriptions are uploaded and provided directly by Dylan K3DZM or their podcast platform partner. If you believe someone is using your copyrighted work without your permission, you can follow the process outlined here https://podcastplayer.com/legal.

Host: Greg (W3DIB)
Theme: Field Day Prep, Coax Projects, and Microphone Cable Woes

šŸ”§ Technical Questions

Q1: Straightening Coiled Mic Cables (N3RBN)
Paul asked if there’s a reliable way to straighten the coiled section of an RJ-style microphone cable to reterminate it. Responses included:

  • Chuck (NA3CW) and others suggested buying a cheap knockoff mic just for the cable, then rewiring.
  • Scott (W3KZG) seconded the idea—some knockoffs fit well and don’t even require soldering.

Q2: Remote Relay vs. Direct Coax Run (KC3SQI)
Wayne asked if it’s better to run a home-run coax for a 2m antenna or share a remote relay rated only for 6m.

  • Ron (WA3VEE) and Jim (KC3RFG) strongly recommended running dedicated coax to minimize signal loss and prevent mismatches.
  • John (WA3KFT) shared his experience running 14 coax lines with high-quality switches, warning about specs and reliability.
  • Consensus: fewer interconnections, always better.

šŸ“” Roundtable Highlights

  • Field Day Fever:
    Many ops are prepping hard—testing coax, installing connectors, tuning antennas. Chuck (NA3CW) and Joe (W3GMS) led a coax connector demo that was widely praised.
  • APRS Success:
    John (KC3WWC) had a blast during APRS Thursday—received 174 messages from across the globe in 12 hours!
  • First 6m Contacts!
    Jim (KC3RFG) made his first contacts on 6 meters thanks to some recent solar activity—repaired his mag-mount antenna with a solder rework.
  • Project Progress:
    • Keith (KB3ILS) dove deep into bandpass filter design, winding toroids and using a NanoVNA and oscilloscope.
    • Scott (W3KZG) is renovating a trailer to double as a field day camper and ATV hauler.
    • Wayne (KC3SQI) poured concrete for his new tilt-over mast.
    • Ron (WA3VEE) helped tune the 40m dipole for Field Day, now resonant at 7.150 MHz.
    • Jon (WA3KFT) shared a robust setup with 14 coax switches and specialty tools from DX Engineering.

šŸ’¬ Community Notes

  • Health Check-Ins:
    The net closed with updates and well-wishes for an operator dealing with a medical emergency—several ops shared hospital updates and encouraging words.
  • Father’s Day Recaps:
    Several shared heartfelt stories of family time—steak dinners, grandkid babysitting, and ā€œgiftsā€ like temporary pet duty.
  continue reading

6 episodes

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