Band Antenna
i want formulas for tunable electrically small antenna for groundwave propagation in HF and VHF band?
the antenna should be tuned with help of capacitor with center frequency as 39.7MHz.
http://www.myerseng.com/download.html
http://www.btinternet.com/~g4fgq.regp/page3.html#S301
http://www.ve3sqb.com/
are mostly computer programs that you can download.
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SMA-Male DUAL BAND ANTENNA FOR VX-2R VX-3R VX-6R VX-7R VX-8R FT-60R UV-3R UV-100 $14.99 |
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COMET CAR Mobile Antenna SBB-1 PL259 144/430 MHz VHF UHF Dual-Band for HAM radio $47.99 |
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RETECH DUAL BAND 144/430MHz ANTENNA SMA-M YAESU VX-2R VX-3R VX-6R VX-7R FT-60R $11.99 |
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Dual Band Antenna For MOTOROLA SP50 GP300 GP380 GP328 GP338 GP68 GP340 P110 GP88 $14.99 |
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RETECH RG-MS8 SMA-F Dual Band Car Antenna For KENWOOD WOUXUN Puxing HYT Linton $24.99 |
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RETECH RHA-701 BNC DUAL BAND 144/430MHz VHF UHF ANETNNA $8.99 |
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Diamond CR-77 2m / 70cm 144/430 MHz Dual-Band Moblie Whip Antenna $44.99 |
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RETECH DUAL BAND 144/430MHz ANTENNA SMA-M VX-2R VX-3R VX-6R VX-7R $8.99 |
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ANTENNA SMA-J Female 144 430 MHz VHF UHF Dual Band for HYT KENWOOD WOUXUN LINTON $8.99 |
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Nice! Maxrad Motorola Mount Antenna 470 Band $0.99 |
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COMET GP-98 TRI-BAND ANTENNA 144/440/1200 MHZ. $125.99 |
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Comet SBB-5 Dual Band VHF/UHF 144/440 Mobile Antenna $49.95 |
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MAXON VHF Huigh Band Antenna 135-175 MHz $9.95 |
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Nagoya Dual band UT-102 SMA Female mobile antenna for Ham radio VHF UHF PX-777 $17.99 |
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Nagoya Dual band UT-102 SMA Female mobile antenna PX-888 PX-888K KG-UVD1P FD-880 $17.98 |
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Nagoya Dual band UT-108 SMA-Female mobile antenna PX-777 PX-888K KG-UVD1P FD-880 $22.98 |
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MULTI BAND SCANNER ANTENNA DIESEL THRU THE GLASS W/ MOTO CONN AND BNC ADAPTER $19.95 |
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SCANNER MULTI BAND MICRO MAG ANTENNA TMM3 W/ BNC CONN $12.95 |
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NAGOYA Dual band UT-108 SMA-M antenna for VX-6R VX-7R $12.80 |
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All Band Scanner Antenna, 3/8 x 24, 25 – 800 Mhz. $13.95 |
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Multi-band antenna GPS+WiFi+GSM antenna SMA FME Series $49.35 |
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NA-771 SMA-F VHF UHF Dual Band antenna KG-UVD1P TG-UV2 $9.50 |
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NAGOYA NA-773 SMA Dual band ANT FOR VX-2 VX-5 VX-6 $9.20 |
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NAGOYA NA-773 SMA Dual band ANT Yaesu VX-2 VX-5 VX-6 $9.20 |
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NAGOYA NA-773 SMA Dual band antenna Yaesu VX-3R VX-6R $9.20 |
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HF Portable all band antenna ham radio shtf marine super antenna for QRP or Hpwr $102.00 |
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Car Magnetic Radio BNC Antenna DUAL Band NAGOYA UT-102 $16.99 |
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COMET CAR Mobile Antenna SBB3 PL259 144/430 MHz VHF UHF Dual-Band for HAM radio $54.99 |
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NAGOYA Dual band ANT UT-108 BNC antenna for Ham radio $14.60 |
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Nagoya NA-636 SMA-Male Dual band elastic extend antenna $11.20 |
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Nagoya NA-636 BNC Dual band elastic extend antenna $11.20 |
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Nagoya NA-636 SF Dual band antenna for KG-679 KG-689 $11.20 |
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Nagoya NA-636 SF Dual band antenna for FD-150A FD-450A $11.20 |
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Nagoya NA-636 SF Dual band antenna for PX-777 PX-888 $11.20 |
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Nagoya NA-636 SM Dual band antenna for Yaesu VX-7R $11.20 |
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Nagoya NA-636 SMA-Male Dual band antenna VX-3R VX-6R $11.20 |
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NAGOYA NA-773 Dual Band SMA Female Antenna Kenwood ICOM $7.00 |
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SMA Dual Band Antenna For Yaesu VX-2R/6R BaoFeng UV-3R $0.99 |
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DUAL BAND Antenna for UV3R FT60R NF669 VX6 PX2R UV100 UV200 VX3R $2.26 |
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NA-771 SMA-F VHF UHF Dual Band Ant for KG-UVD1P TG-UV2 PX-777 PX-888 KG-UV6D $0.99 |
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SMA-Female Dual Band Antenna For PX-333/PX-777/TK-3107/KG-669/KG-UVD1P/TG-UV2 $0.99 |
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NAGOYA Dual band ANT NA-666 SMA Male for Yaesu radio Soft whip UV-3R Mark II $11.56 |
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NAGOYA NA-773 SMA Dual band Male VX-3R VX-5R VX-6R VX7R UV3R Mark II UV-100 200 $14.98 |
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TRAM DUAL BAND MAGNET ANTENNA, # 1185 $17.98 |
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Dual band ANT for KG-689 PX-777 KG-UVD1P V-1000 5-206 $9.00 |
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NAGOYA NA-636 SMA DUAL BAND ANTENNA $16.00 |
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NA-771 SMA Male Dual band antenna for Yaesu VX-3R VX-6R $9.50 |
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Dual band rollup J Pole 2 meter/440 antenna with PL259 male connector. $18.00 |
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Dual band rollup J Pole 2 meter/440 antenna with PL259 male connector. $18.00 |
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NAGOYA NA-771 SMA Male DUAL BAND antenna UV-3R UV3R $9.67 |
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Furuno Marine Single Side Band (SSB) with Antenna Coupler $330.00 |
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HF Portable all band antenna ham radio shtf marine super antenna for QRP or Hpwr $102.00 |
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VHF UHF Dual Band Antenna SMA-F For Kenwood Radio TK-2100 2102 260G 270 $9.99 |
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VHF UHF Dual Band SMA-F Antenna for Kenwood Puxing Quansheng Wouxun Radio $9.99 |
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New Nagoya NA-771 BNC-M VHF UHF Dual Band Antenna For Icom Kenwood Radio $9.99 |
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VHF UHF Dual Band Radio Antenna SMA-M For Yaesu Radio VX-2R 3R 7R 6R $9.99 |
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Bearcat 10 Bands, 10 Channels Scanning Radio, Exc. Condition, with Power Antenna $59.99 |
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MOTOROLA OEM LOW BAND PORTABLE ANTENNA NAB6064 $24.50 |
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MOTOROLA OEM LOW BAND PORTABLE ANTENNA NAB6064 QTY 5 $132.00 |
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JETSTREAM JTMHF20 20m MONO BAND HAM VERTICAL MOBILE ANTENNA HAMSTICK STYLE $29.95 |
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JETSTREAM JTMHF40 40m MONO BAND HAM VERTICAL MOBILE ANTENNA HAMSTICK STYLE $29.95 |
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Antenex Tri Band Phantom/GPS Antenna AVL Applications $19.99 |
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Ham single band mobile MAGNETIC ANTENNA 144 mHz vhf 2-meter RV ATV $21.50 |
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DUAL BAND J-POLE ANTENNA HAM 2 METER 70 CM CNC MADE $33.00 |
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BaoFeng Battery and dual band antenna for UV-3R UV-100 UV-200 UV3R Mark II radio $16.80 |
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All Band Glass Mount Scanner Antenna, 25-1300 Mhz. $21.95 |
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SCANNER MULTIPLE BAND ANTENNA TGS THROUGH THE GLASS W/ MOTOROLA PLUG AND BNC $15.95 |
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MULTI BAND HF-VHF-UHF-800 MHz SCANNER MICRO MAG ANTENNA TMM3 W/ BNC CONN $19.95 |
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NAGOYA NA-773 SMA Male VHF UHF Dual Band Radio Antenna FT-40R FT-50R FT-60R $16.15 |
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5-208 Dual Band144/430Mhz BNC Antenna FOR TK100 HH152 $14.00 |
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ULTRA-COMPACT DUAL-BAND PORTABLE TWO-WAY RADIO $69.80 |
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Nagoya NA-772 dual band antenna SMA-F for KG-UVD1P UV-5R PX-888K FD-880 TH-UVF1 $2.25 |
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Nagoya NL-770R DUAL BAND Mobile Car Radio Antenna FT-1900R FT-2900R FT-7900R $22.90 |
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SoftCase + Dual Band Antenna For BAOFENG UV-3R UV-100 UV-200 radio $13.99 |
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Magnetic Mount VHF UHF Dual Band HAM Walkie Talkie 2-Way Radio BNC Antenna $19.99 |
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RHA-701 SMA-F Dual Band VHF UHF ANTENNA FOR WOUXUN KG-699 KG-UVD1 KG-UVD1P $8.99 |
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Dual Band ANTENNA SMA-Male F YAESU VERTEX KENWOOD ICOM BAOFENG UV-3R UV100 UV200 $11.99 |
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SMA Dual Band Antenna For Yaesu VX-2R/6R BaoFeng UV-3R $0.99 |
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NAGOYA Dual band antenna NA-666 Female KG-UVD1P TG-UV2 FD-880 UV-5R PX-888K $4.00 |
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NAGOYA NA-701 SMA DUAL BAND ANTENNA VX-6R VX-7R VX-170 VX-177 FT-270R FT-277R $16.90 |
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ZS6BKW / G5RV Multi Band 6-80m Antenna 2Kw By W8AMZ Amateur Radio Products $68.00 |
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NAGOYA UT-102 BNC Car Magnetic Radio antenna DUAL band Icom Motorola radio $10.90 |
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NAGOYA Dual band ANT UT-108 BNC antenna for Ham radio $12.80 |
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NAGOYA NA-666 SMA-M VHF UHF Antenna Dual Band For Yaesu Icom Radio $9.99 |
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SURECOM SC951 SF High Gain tri-band antenna For Baofeng UV-5R $16.40 |
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NAGOYA NA-771 BNC dual band antenna for Icom Motorola $9.40 |
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NAGOYA NA-666 SF for BAOBNEG DUAL BAND Model No. UV-5R $12.80 |
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NAGOYA UT-105 SF Dual band for kg-699 px-333 kg801 TG-UV2 KG-UVD1P FD780 UV-5R $18.48 |
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NAGOYA NA-626 SMA Dual band ANT FOR VX-2R VX-3R VX-6 $11.90 |
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Dual Band Antenna Fr Icom IC-F50 FAS59V FAS63VS FAS62VS $11.99 |
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Dual Band Antenna Icom IC-F50V IC-F51 FA-S63VS FA-S62VS $11.99 |
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NAGOYA UT-106 BNC dual band ANT for Yaesu ICOM Kenwood $21.60 |
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NAGOYA Dual band antenna UT-108 BNC antenna for Ham radio Icom Motorola $23.70 |
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NAGOYA UT102 BNC Mobile antenna Dual band Magnet UT102# $17.80 |
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NAGOYA UT-102 BNC dual band magnet antenna 2m / 70cm $18.40 |
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New RadioShack 21-801 162MHz WX Weather Band Magnet-Mount CB Antenna $9.99 |
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UT-106 SMA Female Dual Band antenna for KG-UVD1P PX-777 $10.70 |
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NAGOYA UT-106 UV SMA Dual Band Antenna For VX-3R VX-6R $11.80 |
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NAGOYA UT-106 BNC Dual Band Antenna VHF UHF Magnet $11.80 |
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New Comet UHV-4 28/50/144/430Mhz Multi Quad Band Whip Mobile/Base Antenna $115.95 |
Gen 2 Rfid Reader/Writer With Built-In Antenna
Toronto, Canada – GAO RFID Inc. (www.GAORFID.com) presents an integrated Gen 2 RFID reader/writer with Built-in Antenna (GAO216002). This RFID Reader/Writer is an all-in-one designed device that operates in the 860MHz to 960MHz frequency band. It is well suited for applications such as warehousing, parking, distribution, shop floor, harsh manufacturing or processing environments, outdoors.
GAO216002 RFID reader/writer includes an RF module, digital signal management module, built-in antenna and RS-232, USB, Wiegand and RS485 interfaces that make the device easy to install and use. It provides selectable tag identifying modes containing timer, external trigger and software trigger.
About GAO RFID Inc.
GAO RFID Inc. is a leading provider of Radio Frequency Identification (RFID) hardware and solutions to end users worldwide. GAO RFID combines best of breed with low cost RFID readers, RFID tags and enabling-RFID software. GAO offers a wide variety of RFID readers, tags and antennas in all the RFID technologies, Low Frequency (LF), High Frequency (HF), Ultra High Frequency (UHF, Gen 2) as well as Active and Semi-Passive. GAO RFID’s products and services are easily customized for use in asset tracking, healthcare, supply chain & logistics, event management, access control, livestock tracking, inventory control & management, field service maintenance and document authentication.
For any media queries:
Director of Marketing,
416-292-0038 ext 228
marketing@GAORFID.com
Toronto, Canada – GAO RFID Inc.presents an integrated Gen 2 RFID reader/writer with Built-in Antenna (GAO216002). This RFID Reader/Writer is an all-in-one designed device that operates in the 860MHz to 960MHz frequency band. It is well suited for applications such as warehousing, parking, distribution, shop floor, harsh manufacturing or processing environments, outdoors.
GAO216002 RFID reader/writer includes an RF module, digital signal management module, built-in antenna and RS-232, USB, Wiegand and RS485 interfaces that make the device easy to install and use. It provides selectable tag identifying modes containing timer, external trigger and software trigger.
About GAO RFID Inc.
GAO RFID Inc. is a leading provider of Radio Frequency Identification (RFID) hardware and solutions to end users worldwide. GAO RFID combines best of breed with low cost RFID readers, RFID tags and enabling-RFID software. GAO offers a wide variety of RFID readers, tags and antennas in all the RFID technologies, Low Frequency (LF), High Frequency (HF), Ultra High Frequency (UHF, Gen 2) as well as Active and Semi-Passive. GAO RFID’s products and services are easily customized for use in asset tracking, healthcare, supply chain & logistics, event management, access control, livestock tracking, inventory control & management, field service maintenance and document authentication.
About the Author
About GAO RFID Inc.GAO RFID Inc. is a leading provider of Radio Frequency Identification (RFID) hardware and solutions to end users worldwide. GAO RFID combines best of breed with low cost RFID readers, RFID tags and enabling-RFID software. GAO offers a wide variety of RFID readers, tags and antennas in all the RFID technologies, Low Frequency (LF), High Frequency (HF), Ultra High Frequency (UHF, Gen 2) as well as Active and Semi-Passive. GAO RFID’s products and services are easily customized for use in asset tracking, healthcare, supply chain & logistics, event management, access control, livestock tracking, inventory control & management, field service maintenance and document authentication.About GAO RFID Inc.GAO RFID Inc. is a leading provider of Radio Frequency Identification (RFID) hardware and solutions to end users worldwide. GAO RFID combines best of breed with low cost RFID readers, RFID tags and enabling-RFID software. GAO offers a wide variety of RFID readers, tags and antennas in all the RFID technologies, Low Frequency (LF), High Frequency (HF), Ultra High Frequency (UHF, Gen 2) as well as Active and Semi-Passive. GAO RFID’s products and services are easily customized for use in asset tracking, healthcare, supply chain & logistics, event management, access control, livestock tracking, inventory control & management, field service maintenance and document authentication.
iPhone 4 announced, launching June 24 for $199 with new FaceTime video chat
Apple has unveiled its new iPhone 4 after a couple wild, unprecedented months of leaks . Sure, it looks exactly like we expected it to (Steve compares it to an old Leica camera), with a glass front and back, but it’s what’s on the inside that counts, kids. The stainless steel band that goes around the phone is an antenna system, while also providing the main structure of the phone, though it’s …
