New Diamond X-700 2M/70cm antenna. Post by KN3V » Mon Dec 08, 2008 2:10 am . Can't tell if it is the additional length (which is now 24 ft vs 17 ft on the .

Sep 7, 2010 – Dual Band Base Station 2M/70CM Antenna • Gain: 2m 9dB, 70cm 11dB • Maximum Power : 200 Watts • 17 ft Length. $109.95 .

21 results – Comet 2M/70cm Base/Rptr Antenna, 3/6 Gain, 4'1" Length, SO-239 Connector ** Does not qualify for Free Freight ** .

D&L Antenna Supply JTB3 2m/70cm Dual Band Antenna Length: 71.5 - JTB3 * 144- 148Mhz 440-450Mhz * 4.5 db gain on 144-148 Mhz * 7.2 db gain on 440-450 Mhz .

The antenna is quite a bit smaller than the 2m antenna I built. The small size of the 70 cm antenna makes it much easier to carry around and wave .

Latest news: The antenna is also usable on 70cm, connect to the 6m connector and tune to lowest swr with the telescope length. .

11 posts - 2 authors - Last post: Jun 17, 2008antenna condition:- antenna length set both lengths for 5/8's on 477mhz (393mm) Don't want to annoy anyone on 70cm while testing LOL. .

JTB1 2m/70cm Dual Band Antenna Length: 208" . JTB3 2m/70cm Dual Band .

JTB2 2m/70cm Dual Band Antenna Length: 100" . $64.95 $79.95. JTB1 2m/70cm Dual Band Antenna Length: 208". $119.99. Fixed VHF UHF Ham Antennas .

6 posts - 3 authors - Last post: Jul 13, 2009The dual band antenna above is for 2m/70cm. If you look at the whole length, it is about 1/4 wavelength for 2m. The length of the lower .

Jan 17, 2010 – Which leads me to believe that if you tried your hardest to make the perfect length 2m antenna, it would still function well enough for 70cm .

RH795: 70 to 1000MHz Wide-band antenna. Length:115cm(full length),19.5cm .

Aug 23, 2010 – Amateur Radio, Antenna Theory, Homebrew Antennas, Hidden and Stealth Antennas, . Duplexer (Diplexer) 2m / 70cm AND Duplexer (Diplexer) HF + 6m / 2m + 70 cm HB9ABX . G5RV Design and length Considerations -- From AA1LL .

Diamond MR77S 2 meter/70cm mag mount antenna. Length: 1:48 - Rating: 5.0 (9 ratings) - View: 2979 - Author: Tacticalgearhead. The Diamond MR77S is a 2 meter .

JTM3B 2m/70cm Dual Band Antenna Length: 40". JTM3B 2m/70cm Dual Band Antenna Length: 40" - 3.0 db on 2m, 5.5 db on 70cm - 1/2 wave radialless on 2m 146 Mhz .

4 posts - 4 authors - Last post: Jan 4, 2010I started with a 2m circularly polarized crossed-yagi antenna with 5 elements and a boom length of slightly less than 1.5 meters . Is there a particular advantage to increasing the gain of the 70cm antenna vs. the 2m? .

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D&L Antenna Supply JTB1 2m/70cm Dual Band Antenna Length: 208 - JTB1 * 144 .

Dual band handheld antenna 2m/70cm with wide range RX, length 21c . . Handheld antenna 2m/70cm/23cm, length 4.5cm, SMA connector .

Duoband antenna 2m / 70cm, length abt. 20cm; Mini Duoband antenna 2m/70cm .

As you move farther away from the TV stations broadcasting antennas, the size of the TV antenna that you will need will increase. Lower quality antennas .

Build A 9 dB, 70cm, Collinear Antenna From Coax. By N1HFX . This means that when we calculate the length of ½ wavelength in free space we need to adjust .

JTB4 6m/2m/70cm Dual Band Antenna Length: 100" . MTC >; Fixed VHF UHF Ham .

Point is that your 2m/70cm antenna is probably going to be no longer than about 38", which is 1/2λ on 144MHz. The commercial antennas of this length will .

Diamond CR627B mobile antenna 6m/2m/70cm product reviews by real people like you . . 60" total length, black finish, 150 watts total capacity. .

Nov 29, 2008 – Build A 9 dB, 70cm, Collinear Antenna From Coax By N1HFX . This means that when we calculate the length of ½ wavelength in free space we .

Notice that the difference in element lengths is just a tenth of an inch for the reflector and first director. 432 MHz. This antenna is peaked for 432.1 MHz .

Vertical antenna for 2 mt and 70cm - How to Build a Dual-Band Antenna for 2M/ 70cm . you may to limit it to the VHF and UHF bands due to the physical size. .

D&L Antenna Supply JTB4 6m/2m/70cm Dual Band Antenna Length: 100 - JTB4 * 50 .

Good configuration of wave on 2 metres and two times 5/8 wave on 70cm gives this dual band antenna good gain and high performance for an antenna of its size .

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Antenna for 70 cm 432 440 MHz. . is a very simple 70cms dipole from Harald PD2HFE, which uses a single piece of RG-213 coaxial cable 34 cms in length. .

Apr 6, 2010 – A computer optimized UHF 70 cm Yagi antenna for radioamateurs, . without the need of changing anything to the length or spacing. .

Sep 12, 2010 – Diamond SRH77CA Dual Band (2 m /70 CM) HT Antenna product .

All antenna prices include shipping and insurance via the US Post Office in . 10L-70cm 10 element 420-450 MHz broadband Yagi..$130. Boom length for both .

Dual Band Antennas. JTMA4B 2m/70cm Dual Band Antenna Length: 11.75" · JTMA5B 2m/ 70cm Dual Band Antenna Length: 8.5" · JT82B 2m/70cm Dual Band Antenna .

Dual-band 2M/70cm HT Antenna Gain & Wavelength: 2M 0dBi 1⁄4 wave 70cm 0dBi 1⁄4 wave. Max Power: 10 watts. Length: 8.5 inches. Connector: SMA .

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High quality, full-size 2 meter and 70 cm base antenna with high gain and versatility. Now you can use one antenna with your dual-band radio and increase .

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May 22, 2010 – ham radio, radio amateur antenna 70cm yagi. . The screw fixing the element to the boom has no influence to the length of the element as it .

Base Station Antennas . Type, Weight Lbs. Length Foot, Wind MPH. X30A, 2m / 70cm, 2m: 1 1/2l 70cm: 2 5/8l, 3.0 / 5.5, 150, UHF, -, 4.5, 135 .

The picture above shows that the Townsman 70cm antenna can go to the top of the U.S.A 440 band! Notes: U.S.A. builders refer to new updated lengths and .

X700HN：144/430MHz(2m/70cm) Base Antenna. HF6CL. Length:7.2m / Weight:3.8Kg Radial length: 52cm. Frequency: 144/430MHz(2m/70cm) Gain:9.3/13.0dB(144/430MHz) .

Especially in thus case with a limited boom length the antenna elements must be . This 70cm part of the antenna give you a very good signal also on .

Your antenna selection is the most important factor in purchasing a UHF . 400mm Length. Code 'D'. Brochure-CLICK HERE. Ideal for around town where you .

Here are the plans to build a 70 CM J-pole antenna: . Measurements on overall length, and stub length are from the centerline of the separation pipe .

homebrew J-Pole 2mt 70 CM antenna Project. Make it cheap. . but have since changed my design to use a 9" length of hardwood dowel with three coats of .

30 posts - 15 authors - Last post: Mar 6, 2008Check it out if you need a cheap UHF antenna. . . I used 300 ohm twin lead wire (2 equal lengths) direct to 300 ohm input/ 75 ohm output .

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