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Old January 27th 08, 01:50 PM posted to rec.radio.shortwave
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First recorded activity by RadioBanter: Jun 2006
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Default What About Scanner Reciever Antennas for Shortwave Radio Listening(SWL)

On Jan 26, 4:55 pm, "sdgreen" wrote:
-
- Do a lot of travelling and like to cruise the SW bands etc.
- Anyone use or have any comments on the MFJ-1020C
- indoor active antenna preamp?
-
- Performance? Bands etc.?
-
- Thanks
-
- Using an ICOM R-20 Communications Reciever
-
- =-=
-

What About Scanner Reciever Antennas for Shortwave Radio Listening
(SWL)
- [Was : Antenna Pre-amps MFJ 1020C]
- "sdgreen"

Icom R-20 Communications Receiver {Handheld Scanner}
http://www.icomamerica.com/en/produc...0/default.aspx

Icom R-20 Communications Scanning Receiver {Handheld}
eHAM REVIEWS - http://www.eham.net/reviews/detail/4317

The Icom IC-R20 Scanner is Shortwave to Microwave
http://www.strongsignals.net/access/...rr_ic-r20.html
Wideband Coverage : LW + AM/MW + SW/HF + VFH + UHF/FM +++
Modes : AM + SSB + CW + FM + WFM
Receiver System : Triple Conversion SuperHeterodyne
Antenna Impedance : 50 Ohms
Antenna Connection : BNC Jack
Standard Antenna : 23 Inch Whip Antenna with BNC Base

Icom IC-R20 Wideband "Scanner" Receiver
http://www.universal-radio.com/catal...rxvr/0020.html

REPORT - ICOM IC-R20 Wideband Scanner Receiver
http://www.monitoringtimes.com/html/mtscan1104.pdf
-by- Bob Parnass [AJ9S] - Monitoring Times

FIRST - IMHO - You Do Not Need a MFJ-1020 Active Antenna
for the Icom IC-R20 Wideband Scanner Receiver.

WHAT YOU DO NEED IS : A Better-Bigger-Longer Antenna
Passive Antennas that will Capture and Deliver more Signal
without Overloading your Scanning Receiver.

READ - Many Scanner Radio Problems Can Be "Fixed"
With A Better Scanner Antenna
http://groups.google.com/group/rec.r...5613952dbf2d65
* "Snoop" Scanner Antenna
* 24" Big Daddy "Snoop" Scanner Antenna
* Scanner Window Mount Antenna
* 48 Inch Grove "Flex-Tenna" Model VU # ANT46
* Car Magnet Mount Mini-Mobile Wide-Band Scanner Antenna
with a BNC Connector.

READ - Simple Snake Antenna for the Shortwave (HF) Band
for Scanners made from a single piece of Coax Cable should
work with out overloading the Scanning Receiver.
http://groups.google.com/group/rec.r...0c9dfd1a8b21a2
Snake Antenna - Antenna Construction Steps
Or simply 'modify' the Workman SCAN4 Wire Scanner Antenna
http://www.universal-radio.com/catal...ants/1820.html
into a smaller Snake Antenna by Removing a total of 3 Feet of
the Outer Insulation and Coax Shield and Exposing the Inner
Insulator and Center Conductor. Compact (6 Ft) and Portable.

READ - Antennas for a WideBand {Scanner} Receiver
http://groups.google.com/group/rec.r...92cd087ae7b7e1

Check-Out these Scanner Antennas :
* WPN-97 Nomad Portable Antenna
http://www.scannermaster.com/Nomad_A.../25-541079.htm
* WAN-97A Active Nomad Base Antenna
http://www.scannermaster.com/WAN_97A.../28-541171.htm
* Workman SCAN4 Window Wire Scanner Antenna
http://www.universal-radio.com/catal...ants/1820.html
* RadioMaster P-30 Passive WideBand Antenna
http://www.universal-radio.com/catalog/sw_ant/1331.html

DO-It-Yourself - Build a "T" Antenna for your Scanner using
an FM Folded Dipole Antenna and a BNC Connector.
* Basic FM Folded Dipole "T" Antenna {300 Ohm Twin Lead}
http://www.kyes.com/antenna/antennatypes/twinlead.jpg
http://en.wikipedia.org/wiki/Dipole_antenna
http://www.universal-radio.com/catalog/misc/1268.html
http://www.universal-radio.com/catalog/mwant/3239.html
* BNC Coax Cable type Connector
http://www.universal-radio.com/catal...s/bncconn.html
-Note- The Top is about 60 Inches Tip-to-Tip with a 72 Inch
feed-in-line.
-Tip- Can be Mounted Horizontal, Vertically or on a Diagonal
usually across or near a Window.
-Three Alternatives- Buy It Ready-Made :
* "Super Dipole Scanner Antenna"
SDSA - http://cgi.ebay.com/_W0QQitemZ150209493857
* "Reflex Snooper" Folded Dipole Scanner Antenna
http://cgi.ebay.com/_W0QQitemZ270204016912
* "Big Reflex Snooper" Folded Dipole Scanner Antenna
http://cgi.ebay.com/_W0QQitemZ280192691192

READ - The Simplest Shortwave Listener (SWL) Antennas
That I Know Of..." It Is The FM Folded Dipole Antenna.
http://groups.google.com/group/rec.r...bed3e059ec70a3


hope this helps - iane ~ RHF {pomkia}