The most potent single tower antenna systems ever seen in Amateur Radio

All The Files You Need

Find below the files related to all of our products below. And, as always, please sign up for our newsletter to ensure you get the latest and great information from SteppIR.





Yagi Antennas

File Revision Release Date
2 Element 20m Assembly Manual 3.1 03/26/2020
3 Element 20m Assembly Manual 3.3 03/26/2020
4 Element 20m Assembly Manual 3.2 03/26/2020
UrbanBeam Assembly Manual 1.22 04/15/2020
DB11 Assembly Manual 4.1 04/15/2020
DB18 Assembly Manual 10.5 04/15/2020
DB18E Assembly Manual 10.5 04/15/2020
DB36 Assembly Manual 10.12 04/15/2020
DB42 Assembly Manual 10.7 04/15/2020
MonstIR Assembly Manual [Discontinued] 08/08/2008


Verticals and Dipoles

File Revision Release Date
SmallIR Users Manual 2.1 04/15/2020
BigIR Mark IV Users Manual 4.5 04/15/2020
80m Coil Users Manual 02/22/2008
20m Dipole Manual 2.0 04/17/2020
CrankIR Users Manual 2.1d 05/06/2019





File Revision Release Date
DB25 Control Cable Splice Connector Instructions 10/07/2020
Transceiver Interface Users Manual 5/24/2021
Connector Junction Box Users Manual 5.0 03/21/2011
Remote Driver Board Installation Instructions 03/21/2011
Wireless Remote Driver Board Users Manual 1.0 05/24/2019
Control cable surge suppressor Users Manual
High Wind Kit for 2 and 3 element antennas 2.0 09/11/2011
Truss kit Option – All antennas 2.0 06/02/2012
SARK-110 Vector Impedance Antenna Analyzer v1.2 1.2.8 01/10/2016
DB42 80m Dipole Option Manual 01/10/2011
DB36 80m Dipole Option Manual 3.0 02/05/2009
40/30m Dipole Manual [Out of Date, for Reference Only] Q 01/16/2008
Diverter Cone assembly procedure 2.0 07/30/2009
40/30 Loop Installation Instructions (new-style) 03/26/2020





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