Shively Labs FM Antennas and Accessories
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We'll see you:
... at the NAB Radio Show
September 21 - 23 in Nashville!
Product News

We'll be showing our newest antennas:

Model 6822
Model 6020 LT
Model 6812C

... and our new 12-inch, 10 kW filter,
Model 2712-3A!

Also, check out our new
[award-winning; see below]
Versa2une field-tunable FM antenna!

... and our new Model 6025 log periodic antenna!

4/11/13 at NAB:
New Cool Stuff Award for our
Versa2une field-tunable FM antenna!

SBA logo

Shively Labs is Maine's Small [Business] 2012 Exporter of the Year!
More information ...

Our parent company, Howell Labs, was just named SBA's 2013 Region I Subcontractor!
More information ...

Shively Labs has won a techINK 2010 Innovation Award for our Graphical Power Meter system!
Innovation award logo
NAB logo
Our Model 6020 antenna brings home the Radio World Coolstuff Award!

new"Shively trials new extended FM antenna in Brazil"

new"Shively’s new high power broadband on the air in South Dakota"

Paul Wescott obituary:"A damn good sense of direction, and a steady hand on the wheel, for over 30 years"

New technical bulletin: "Tips and Tricks to Make 222-G Work for You"

November-December 2011 Radio Guide article: "A Really Xtreme Build"

September-October 2011 Radio Guide article: "Shively Labs - Where FM Antennas Are Not Just a Sideline"

May-June 2008 Radio Guide article:
"Shively Labs Meets the Very Windy Mountain"

September 2007
Radio Guide articles:
"Shively Labs: Antennas That Work!" [279 kB]

"Shively 6014 Dual Hybrid Antenna Solves a Dilemma" [232 kB]

Archived articles

6-1/8" Non-Flanged Coax Components

  • All 6-1/8" components meet EIA standards for inner and outer conductor dimensions for 50-Ω components.
  • All insulators are made from virgin PTFE.
  • See technical bulletin "tb-linespecs" for complete transmission line specifications.
  • See technical bulletin "tb-coax_cutback" for inner to outer cutback dimensions.



Impedance: 50 ohms Outer Conductor Outside diameter: 6.125" (15.5 cm)
Maximum Frequency: 850 MHz Inside diameter: 5.981" (15.1 cm)
Velocity Percent: 99.8% Inner Conductor Outside diameter: 2.600" (6.6 cm)
Peak Power Rating: 1600 kW Inside diameter: 2.520" (6.4 cm)
Average Power Rating: See technical bulletin.
Attenuation: See technical bulletin.

Transmission Line
Non-flanged both ends

Each transmission line section comes without hardware or O-rings. Insulators are placed approximately 48 " apart to prevent sagging.

20 ft (240" or 6.10 m) long

  • Standard cutback
  • Approximate weight: 130 lb (59.1 kg)
  • Approximate shipping weight: 160 lb (72.7 kg)

Click picture for dimensions.

10 ft (120" or 3.05 m) long

  • Standard cutback
  • Approximate weight: 65 lb (29.6 kg)
  • Approximate shipping weight: 80 lb (36.4 kg)

Cut length inches

  • Standard cutback
  • Approximate weight: 6.5 lb/ft (9.7 kg/m)
  • Approximate shipping weight: 7.8 lb lb/ft (11.6 kg/m)


Each elbow comes with one flange hardware kit (618F-14) and one O-ring (618F-13S). Elbows come standard with swivel flanges and male/female connections.

90° equal legs

  • Standard cutback.
  • Approximate weight: 9-3/4 lb (4.4 kg)
  • Approximate shipping weight: 10-3/4 lb (4.9 kg)

Click picture for dimensions.

Non-Flanged Line Connectors

Use with 6-1/8" EIA non-flanged line. Connectors are silver-plated. Non-pressurizable; indoor use only.

Connector Assembly

  • Inner and outer conductors.
  • Connector silver-plated.
  • Indoor use only - not pressurized.
  • Approximate weight: 7 lb (3.2 kg)
  • Approximate shipping weight: 8 lb (3.6 kg)

Click picture for dimensions.

Conversion "Field" Flanges and Anchor Connector

To convert from flanged to non-flanged line. Each flange comes with one flange hardware kit and one O-ring.


  • Non-pressurized (indoor use only)
  • Approximate weight: 6 lb (2.7 kg)
  • Approximate shipping weight: 6.5 lb (3.0 kg)

Click picture for dimensions.

Fixed flange

  • Soft-solder type.
  • Can be pressurized.
  • Approximate weight: tbd
  • Approximate shipping weight: tbd

Click picture for dimensions.

Swivel flange

  • Soft-solder type.
  • Can be pressurized.
  • Approximate weight: 6 lb (2.7 kg)
  • Approximate shipping weight: 6-3/4 lb (3.1 kg)

Anchor connector

  • Inner conductor connector for 6-1/8" flanged connection.
  • Connectors are silver-plated.
  • Approximate weight: 3-1/2 lb (1.6 kg)
  • Approximate shipping weight: 4 lb (1.8 kg)

Click picture for dimensions.

Spare Parts

Hose clamp

  • Fits 6-1/8" transmission line.
  • Included with components.

Last updated: 11/25/13
Webmaster: Al Friend
© copyright 2006-2013 Howell Laboratories, Inc.