Scanstrut 18 in. Fixed Mast Mount SC20 #:  47819
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Scanstrut 18 in. Fixed Mast Mount SC20

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The original and first choice around the world, the Scanstrut SC20 is a cost-effective and space saving solution for installing radar or Satcom antennas. The new, larger mounting footprint is stronger, stiffer and now even easier to fit. Fits select models.
More Details...   #47819
Brand:  Scanstrut
MFG Part#:   SC20
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Scanstrut SC20 Fixed Mast Mount for Radar or Satcom

Designed to fit 18" GMR18 & 18HD Garmin radomes, Navico BR24, 3G & 4G domes, or the Raymarine Quantum radome.

Offering a classic and reliable installation that extends only minimum distance from the front of the mast. 

Also can raise a Raymarine 37STV, Intellian i3, or KVH TracVision M3 /TV3 Satcom antenna clear of any obstruction or interference,
Still the first choice for boat owners the world over, Scanstrut leads the way with a new generation of Mast Mounts. Scanstrut's new, larger mounting foot is stronger, stiffer and now even easier to fit.

Scanstrut Mast Mounts are a popular choice for mounting radar on your yachts mast. Scanstrut Mast Mounts are officially approved and sold by Raymarine, Garmin, Simrad, B&G, and Lowrance.

  • Attaches to mast with four swivel feet, matching a variety of mast profiles.
  • Compact mounting, radome extends only minimum distance from the front of the mast. 
  • Strong 12 point fixing, using high quality monel rivets. 
  • Safety Wire Kit, independently attaches scanner to mast in case an accident damages the installation.
** 50100 Adapter Kit required for Isomat Spars. Consult Dimensional Drawing

  SC20 Platform Mounting Dimensions

  Scanstrut Generic Mast Mount Installation Instructions
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Q. Do you offer Free Shipping?
A. We have free ground shipping via UPS or Canada Post within Canada on most orders of $99 or more (pre-tax).

Q. What do you mean by most orders?
A. Some items are exempt from this offer and are indicated on the product page. Exempt items are usually bulky or heavy items such as buoys. Over 98% of the items on qualify for the free shipping offer.
To see what your shipping charge (if any) will be you can add the item(s) and quantities to the shopping cart and you will see a shipping cost calculator

Q. Where do you ship from?
A. We ship from Halifax, NS

Q. What is the delivery time?
A.  NS, NB, PE: 1 - 2 business days,
      ON, QC, NL: 2- 4 business days
      MB, SK, AB: 4-5 business days
      BC: 5-7 business days
When your order ships you will be emailed a tracking number which will give you the scheduled delivery date

Q. Do you offer Express Shipping?
A. Yes we can ship your order express. Please send an email and we will provide you with a quote (

Q. Do you require a signature on delivery?
A. We sometimes add a signature requirement especially if it is a high value package

Please Note:
Very Remote areas are exempt from Free Shipping offer. These are typically remote northern areas. Nunavut as well as many parts of the Yukon and NWT are exempt from free shipping

Money Back Guarantee
Guarantee You may return your purchase to us (with a return authorization number - use this form) within 30 days and we will refund the purchase price of the product. Items which are cut to order (rope, wire etc), software, chart cards and printed materials (paper charts, books) are not returnable.

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