Ad blocker detected: Our website is made possible by displaying online advertisements to our visitors. Disable your ad blocker to continue using our website.
Antenna
This forum provides help with antenna installation, as well as guidance on selecting the right antenna for your radio or mobile setup.
Post Reply
6 posts
• Page 1 of 1
-
- NEW DUCK
- Posts: 0
- Joined: January 15th, 2023, 5:52 am
- Handle: Landlord
- Real Name: Gary
- Antenna: Maco
- Radio: Kenwood
- Contact:
- MDYoungblood
- Site Admin
- Posts: 10771
- Joined: June 12th, 2010, 8:05 pm
- Handle: MDYoungblood
- Real Name: Gregory
- Antenna: HyGain AV-6160
- Radio: Icom IC-746 (non pro)
- Contact:
Re: Antenna
Post by MDYoungblood »
You wouldn’t be able to use the 4 ground plane elements as it would detune the beam. You might be able to use the vertical but it will take some trail and error tuning as the beam wouldn’t be in the proximity of where the ground plane was. I have seen op’s use an Antron or Solarcon above a horizontal beam.
3’s
Greg
3’s
Greg
- The DB
- Wordwide & Qualified
- Posts: 515
- Joined: August 12th, 2011, 10:17 pm
- Handle: The DB
- Real Name: Steve
- Antenna: ¼λ Mobile Antenna.
- Radio: Galaxy DX 55HP
- Contact:
Re: Antenna
MDYoungblood is right. It would be best to choose an antenna that doesn't come with or require radials. If you want to use radials, you would need to get them out of the near field of the yagi, which would require about two wavelengths (or 72 or so feet) or more.
On the other hand, if you have a vertical that doesn't have any radials, you can get away with a few feet. Four or five would be enough.
If you want to run that Maco without the radials, you will need to do some major tuning, the radials are a significant part of the matching circuit, and the existing circuit simply won't work as it does without them.
The DB
On the other hand, if you have a vertical that doesn't have any radials, you can get away with a few feet. Four or five would be enough.
If you want to run that Maco without the radials, you will need to do some major tuning, the radials are a significant part of the matching circuit, and the existing circuit simply won't work as it does without them.
The DB
-
- NEW DUCK
- Posts: 0
- Joined: January 26th, 2023, 1:33 pm
- Handle: Eman
- Real Name: Eman
- Contact:
- 9RC69
- Donor
- Posts: 18
- Joined: October 31st, 2012, 8:16 pm
- Handle: Redeye
- Real Name: Doug
- Call Sign: VE4GAG
- Antenna: Sirio 827/Dipole
- Radio: Cobra 148 GTL
- Contact:
Re: Antenna
I have just set up my Sirio 4-element beam with a Sirio 827 5/8 wave vertical. I removed all radials except for two and bent them down slightly and attached them to the main boom with hose clamps. This gives the proper electrical characteristics and also gives extra support to the main boom of the beam. Both antennas tune perfectly.
- MDYoungblood
- Site Admin
- Posts: 10771
- Joined: June 12th, 2010, 8:05 pm
- Handle: MDYoungblood
- Real Name: Gregory
- Antenna: HyGain AV-6160
- Radio: Icom IC-746 (non pro)
- Contact:
Re: Antenna
Post by MDYoungblood »
Sounds like a good setup. I believe the 827 is capacitive tuned so it could be installed without the radials, the elements on the beam is a plus.
3’s
Greg
3’s
Greg
Post Reply
6 posts
• Page 1 of 1
Jump to
- Welcome and Community
- Skip Shooter's Paradise
- ↳ General Discussions
- ↳ Watergates & Videogates
- ↳ Shooting Skip
- ↳ Hall Of Fame
- ↳ Journal
- Radio Help
- ↳ Intro To Radios 101
- ↳ General Questions
- ↳ Base Setups
- ↳ Mobile 🚗 / 🏠 Base Install Help
- ↳ Competition Rigs
- ↳ Amplifiers / Power Supplies
- ↳ Charging System
- ↳ Mobile Setups
- ↳ Antenna Help
- ↳ Microphone Info
- ↳ Radio Modifications
- ↳ Shortwave Radios / Scanners
- ↳ Sideband (SSB)
- ↳ Tube Radio Equipment
- ↳ Other Technical Questions
- ↳ Miscellaneous Radio
- Buy / Sell / Trade
- ↳ For Sale Area Rules
- ↳ For Sale Area
- ↳ eBay Shopping
- ↳ Amazon Shopping
- ↳ Trade Equipment
- ↳ Wanted Radio Equipment
- ↳ Positive Feedback
- Off Topic
- ↳ Miscellaneous Chat
- ↳ Computer Help
- ↳ Signature Test Area
- The White House
- ↳ Ask Marv
- Federal Communications Commision (FCC)
- ↳ F.C.C. Rules And Regulations
Cbrt left panel
'CBRT' right panel
- Home
- All times are UTC-06:00
- Cookie-Settings
- Delete cookies
- About us
- Downloads
- Contact us
Maxthon style by Culprit. Updated for phpBB3.3 by Ian Bradley
Powered by phpBB® Forum Software © phpBB Limited
This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.
⇧
⇩