Uploaded January 2025 | Updated September 2026, 2 weeks ago
This is a game changer! The Chameleon SS25 25 foot whip is great, but if you want to use it to its full potential on the 40 meter band, you need to build this coil.
Chameleon SS25 Whip: chameleonantenna.com/products/stainless-steal-whip?bg_ref=ok7Ky4088r
40 Meter Base Loaded Coil Parts List:
2 - 1 1/2 inch 3/8x24 fine thread stainless steel bolts: amzn.to/4hxG4jp
4 - 3/8x24 inch fine thread stainless steel nuts: amzn.to/3CbK8Xj
4 - 3/8 inch stainless flat washers: amzn.to/4g3mr17
2 - 3/8 inch stainless lock washers: amzn.to/4heojFp
1 - 1 1/8 inch long 3/8x24 fine thread female to female coupler: amzn.to/4agc2xY
14 gauge enameled copper wire. (Approx 6 feet): amzn.to/4cDoXv6
2 inch Shrink wrap tubing or electrical tape to hold the coil in place: amzn.to/3DRMtqN
2 - 1 inch PVC plugs
1 - 1 inch PVC coupler
PVC cement
Step Drill Bit Set: amzn.to/4hcgIXP
Most parts, with exception of the copper wire and stainless coupler are available at your local home improvement store such at Home Depot, Lowes, or Menards.
DER Ee De-5000 High Accuracy Handheld LCR Meter: amzn.to/4gXmkFO
Resources:
Coil Inductance Calculators: 66pacific.com
KI5GRD 40m Coil Plans: ki5grd.org/p/build-base-loaded-40-meter-coil-for
Hear the complete Parks on the Air activation! Patrons can view the unedited phone contacts for this POTA activation. Visit my page on Patreon for details: patreon.com/kb9vbrantennas
I do return QSL, if you made a contact with me and would like a QSL, please send me one. Return postage not necessary, but always appreciated. As they say, KB9VBR is 'good in the book
************
Links may be affiliate links. As an Amazon Associate, I earn from qualifying purchases. This does not affect the price you pay.
*************
Like what you see? You can leave me a tip:
paypal.me/kb9vbr
KB9VBR VHF/UHF Antennas:
jpole-antenna.com
Become a patron! Unlock exclusive content at: patreon.com/kb9vbrantennas
Support Ham Radio Q&A by shopping at Amazon: amzn.to/2kO6LH7
My Parks on the Air setup:
Transceiver: amzn.to/3lmHoei
Battery: amzn.to/3xBGgbv
Tuner: amzn.to/2ZCNM9l
Folding Table: amzn.to/3xFIp5Z
Throw Weight: amzn.to/32QW2nB
Video Production Equipment:
Camera amzn.to/32UaXNX
Lens amzn.to/31mmDrX
Wireless Microphone: amzn.to/3xFVBb4
Microphone: amzn.to/3daoAdq
GoPro: amzn.to/3pkmP30
Music by license:
soundstripe.com
Contact Information:
Questions, comments, or business inquiries may be directed to kb9vbr@jpole-antenna.com. If you wish for your product to be featured on my channel, please contact me.
#Hamradio #AmateurRadio #POTA #ParksOnTheAir #PortableHamRadio #chameleon #SS25whip #SportyForty #WolfRiverCoil #40meterband #howto #antennaproject #buildit #40meterantenna #chameleonantenna
This is a game changer! The Chameleon SS25 25 foot whip is great, but if you want to use it to its full potential on the 40 meter band, you need to build this coil.
Chameleon SS25 Whip: chameleonantenna.com/products/stainless-steal-whip?bg_ref=ok7Ky4088r
40 Meter Base Loaded Coil Parts List:
2 - 1 1/2 inch 3/8x24 fine thread stainless steel bolts: amzn.to/4hxG4jp
4 - 3/8x24 inch fine thread stainless steel nuts: amzn.to/3CbK8Xj
4 - 3/8 inch stainless flat washers: amzn.to/4g3mr17
2 - 3/8 inch stainless lock washers: amzn.to/4heojFp
1 - 1 1/8 inch long 3/8x24 fine thread female to female coupler: amzn.to/4agc2xY
14 gauge enameled copper wire. (Approx 6 feet): amzn.to/4cDoXv6
2 inch Shrink wrap tubing or electrical tape to hold the coil in place: amzn.to/3DRMtqN
2 - 1 inch PVC plugs
1 - 1 inch PVC coupler
PVC cement
Step Drill Bit Set: amzn.to/4hcgIXP
Most parts, with exception of the copper wire and stainless coupler are available at your local home improvement store such at Home Depot, Lowes, or Menards.
DER Ee De-5000 High Accuracy Handheld LCR Meter: amzn.to/4gXmkFO
Resources:
Coil Inductance Calculators: 66pacific.com
KI5GRD 40m Coil Plans: ki5grd.org/p/build-base-loaded-40-meter-coil-for
Hear the complete Parks on the Air activation! Patrons can view the unedited phone contacts for this POTA activation. Visit my page on Patreon for details: patreon.com/kb9vbrantennas
I do return QSL, if you made a contact with me and would like a QSL, please send me one. Return postage not necessary, but always appreciated. As they say, KB9VBR is 'good in the book
************
Links may be affiliate links. As an Amazon Associate, I earn from qualifying purchases. This does not affect the price you pay.
*************
Like what you see? You can leave me a tip:
paypal.me/kb9vbr
KB9VBR VHF/UHF Antennas:
jpole-antenna.com
Become a patron! Unlock exclusive content at: patreon.com/kb9vbrantennas
Support Ham Radio Q&A by shopping at Amazon: amzn.to/2kO6LH7
My Parks on the Air setup:
Transceiver: amzn.to/3lmHoei
Battery: amzn.to/3xBGgbv
Tuner: amzn.to/2ZCNM9l
Folding Table: amzn.to/3xFIp5Z
Throw Weight: amzn.to/32QW2nB
Video Production Equipment:
Camera amzn.to/32UaXNX
Lens amzn.to/31mmDrX
Wireless Microphone: amzn.to/3xFVBb4
Microphone: amzn.to/3daoAdq
GoPro: amzn.to/3pkmP30
Music by license:
soundstripe.com
Contact Information:
Questions, comments, or business inquiries may be directed to kb9vbr@jpole-antenna.com. If you wish for your product to be featured on my channel, please contact me.
#Hamradio #AmateurRadio #POTA #ParksOnTheAir #PortableHamRadio #chameleon #SS25whip #SportyForty #WolfRiverCoil #40meterband #howto #antennaproject #buildit #40meterantenna #chameleonantenna










