MFJ EFHW Antenna

Let’s examine the EFHW in more Detail!

Let’s talk about the EFHW (End-Fed Half-Wave) Antenna some more.  It has become nearly as popular as the famous G5RV after all!

It gives full HF coverage with no tuner needed on most frequencies, you do not need a long counterpoise, radials or feedline, it has a rugged weather-resistant 50 Ohm matching network, it is a super fast set-up and take down and easy storage/transport, it has UV resistant materials.

End-fed horizontal wires cover multiple bands without traps, stubs or resonators. It has the unique quality of resonating on the 1/2 Wave fundamental frequency plus odd/even harmonics above.

SWR is so low you may never need a tuner.

Broad-band matching transformers at the feed point lets the entire HF spectrum be yours!

Get on the air! Just one high center or end support — installation is fast for home use, on-the-road, in emergencies.

EFHWs install virtually anywhere in minutes!

MFJ’s series of EFHWs come with a rugged insulating wire radiator that prevents detuning when contacting limbs and branches.  The No-Snag end insulator slides over branches and through foliage with hold-ups.

Toss your EFHW over a limb for an inverted V, raise the far end high for a powerful sloper, or even go vertical with an inverted L.  Dark jacketed wire is virtually invisible.

Don’t let antenna restrictions keep you off the air!

It’s no secret that weather events are getting stronger — the EFHW makes a great emergency back up for your regular antenna.

Power ratings are in Watts (PEP) for SSB/CW modes, with 50% or less transmit time (ICAS).  Each network is designed and tested to ensure great performance in a wide range of operating conditions.

Your choice!

MFJ has six models to choose from, full length 80-10 Meters (132 feet) or 40-10 Meters (66 feet) and QRP, mid-range 300 Watts or high power 800 Watts.

A typical SWR chart for the MFJ-1984LP is included below. This is a 66 foot 40-10 Meter EFHW that handles 30 Watts for QRP use.

 Choose your fun!

End-fed Half-waves offer the perfect solution for a wide range of ham activities.  Whether QRP, backpack, vacationing or EMCOMM, use an antenna that will be faithful in service and that the neighbors will never see!

 

mfj efhw antennaMFJ-1982HP

  • FULL HF Coverage, no tuner needed on most frequencies.
  • No long counterpoise, radials or feedline required.
  • Rugged weather-resistant 50-Ohm matching network.
  • Fast Setup and takedown.
  • Easy Storage/transport.
  • Stainless Hardware, UV resistant materials throughout.

End-Fed Horizontal Wires (EFHW) cover multiple bands with-out traps, stubs, or resonators.

End-fed radiators have the unique quality of resonating on the 1/2-wave fundamental frequency plus odd/even harmonics above!

Broad-band matching transformer at feed point lets the entire HF spectrum be yours! SWR is so low you may never need a tuner.

Get on the air! Just one high center or end support — installation is fast for home, road, emergencies.

EFHWs install virtually any-where in minutes! Comes with a rugged insulated-wire radiator that prevents detuning when contacting limbs/branches. “No-snag” end insulator slides over branches and through foliage without hang-ups.

Toss your EFHW over a high limb for an inverted-V, raise the far end high for a powerful sloper, or even go vertical with an inverted-L. Dark jacketed wire is virtually invis-ible — Don`t let antenna restric- tions keep you off the air!

It`s no secret that weather events are getting stronger — the EFHW makes a great emergency back-up for your regular antenna.

Power ratings are in Watts PEP for SSB/CW modes, with 50% or less transmit time (ICAS). Each network designed and tested to ensure great performance in a wide range of operating conditions.

End-fed horizontal wire, an EFHW, offers the perfect solution for a wide range of ham activities.

Whether you`re QRPbackpack, vacationing, emcomm station, or an antenna neighbors will never see, MFJs got an EFHW for you:

 

mfj efhw antennas

  • MFJ-1982LP, $49.95. 30 Watts QRP, 80-10 Meters, 132 feet.
  • MFJ-1984LP, $39.95. 30 Watts QRP, 40-10 Meters, 66 feet.
  • MFJ-1982MP, $69.95. 300 Watts Restricted space, 80-10 Meters, 132 ft.
  • MFJ-1984MP, $59.95. 300 Watts Restricted space, 40-10 Meters, 66 feet.
  • MFJ-1982HP, $89.95. 800 Watts, high power, 80-10 Meters, 132 feet.
  • MFJ-1984HP, $79.95. 800W, high power, 40-10 Meters, 66 feet.

Typical SWR, MFJ-1984LP

Band

Frequency/SWR

2:1 SWR Span

80M 3.65/1.1 3.5-3.9
40M 7.19/1.4 Full Band
30M 10.8/1.3 Tuner Required
20M 14.3/1.3 Full Band
17M 18.1/1.8 Full Band
15M 21.25/1.1 Full Band
12M 24.9/1.5 Full Band
10M 28.2/1.0 28.0-28.80

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