Getting a big dx signal on 16010 m from one small, low. Introduction to the 6 meter amateur radio band 50 to 54 mhz duration. Hiq6160 rt mc3h hf mobile antenna on the top of my carport with only an 8ss whip and no caphat. The hf bands the 10 ham high frequency bands actually 9 hf and 1 mf band since 160 meters is considered part of the medium frequency part of the radio spectrum were chosen to take advantage of the varying propagation characteristics of the ionosphere. Note the lengths for the new 60 meter band frequency to be effective march 5, 2012. If there is a band plan and is a volunteer band plan, we must agree or just shut up when intruders are messing with the wrong mode, in the wrong frequency. Tr switching is handled by a relay or an optional pindiode switch. Tutorial on the 160 meters amateur radio band youtube. Theyre sometimes referred to as meter bands, as in the 40 meter band, the 31 meter band, the 20 meter band, and so on the following is a list of the various x meter bands, their associated frequencies, and a general. I did not have enough wire in my junk box to create a 68 uh coil. It is possible to find the statement at lots ham publications in the internet and in paper magazines. Homebrew 160 meter amcw transmitter receiver vk3hn. Amateur radio antenna for 160 meters ham radio secrets. The standard time stations below will give you some indication of propagation conditions on ham radio frequencies.
The above graphic depicts the overall layout of the loop antenna consisting of 558 ft. Due to the fact that one wire leg of the antenna is. The span of frequencies which are used for shortwave broadcasts and for ham radio are split into bands. Dec 17, 2014 get 1606 meters coverage and 1500 watt operation with a single antenna. I retune when i change bands, but not within a band except on 80 m and 160 m. But, keep in mind that they transmit at much higher power levels than the ham radio maximum legal power limit in other words, when you can receive a signal from chu or wwv, it does not necessarily mean that the closest amateur radio band is usable. Although located in the lower portion of the vhf band, it nonetheless occasionally displays propagation mechanisms characteristic of the high frequency hf bands. Tentative arizona 6 meter band plan 5154 mhz using both present arizona 1mhz splits, and arrl 500khz splits. The history of amateur radio outline of amateur radio history. The longer fans carry more current and radiate more on the lower frequency bands, 40 through 160 m. Considerate operators frequency guide 2200 and 600 meter bands.
When i ordered the antenna, i gave bill the center frequncies for each band as well as information about the tower and other antennas. This is a great band if you like having mother nature pull your chain. Ham radio frequency chart graphical frequency allocations 2200 and 600 meter bands general, advanced and amateur extra class licensees are authorized to use these amateur bands amateurs wishing to operate on either 2,200 or 630 meters must first. And here are the elements for the antenna for the above swr plot. The rig is a separate transmitter and receiver, so seeing as there are no shared modules, i shall call it a transreceiver rather than transceiver. I removed the so239 and replaced it with a good 160 10 balun before i put it on the tower. The design of this 6 m dipole antenna shall include the following design considerations.
The upper portion of the 80 meter band also is known as 75 meters. I intended for this to be a 10 meter antenna, but it tunes easily on all bands, and i use it exclusively on 4075 160, where it seems to do better than the high bands. Jan 06, 2002 lionel remigio, kc4cld writes for the past months i have been watching the 160 meter band. June 1991 helped me understand what essential considerations i had to take into account. Lower sideband lsbthe common singlesideband operating mode on the 40, 80 and 160 meter amateur bands.
Shortwave and ham radio bands modern survival blog. Can be used as a off center fed shortwave antenna to provide continuous coverage from 500 khz to 60 mhz. The last channel, 5405khz is common to the uk amateur 5mhz experimental band plan. Upper sideband usbthe common singlesideband operating mode on the 20, 17, 15, 12 and 10 meter hf amateur bands, and all the vhf and uhf bands. The actual allocation depends upon the radio region in which the country is located. As with any antenna, lengths should be cut longer than formula results and then trim as needed for best swr. Fm is moved over armstrongs objections from 4250 to 88108 mc. Sep 09, 2017 build a 160 80 meter magnetic loop antenna part 1. Getting a big dx signal on 16010 m from one small, low antenna. Power on 6 meters is specd at 35watts though most amplifiers will exceed 40watts on this band. A homebrew transmitter from the 1960s, updated for today. The 5 element fan dipole works very well at covering all the bands 160 6 meters.
If youre new to ham radio, these articles contain information that new ham radio operators should keep handy while gathering experience. If somebody tries to operate ssb below the dx window, around 1,842 khz, lots of cw operators would like to kill you. The rugged ft 450d aluminum diecast chassis with its quiet, thermostatically controlled cooling fan provides a solid foundation for the power amplifier during long hours of field or home cluding the challenges of. A band plan refers to a voluntary division of a band to avoid interference between incompatible modes. A homebrew transmitter from the 1960s, updated for todays am a 6dq5 sweep tube modulated by four 1625s december 22, 2006, bob hansen, na7rh. My homemade amateur radio antenna for the 160 meter band is the result of many considerations, inner debates and tests. The hr50 outputs 50 watts from 160 10 meters with 5watts maximum drive typically 34 watts using four rh16hhf1 mosfets. Youll find these references to be just what you need while learning to navigate the radio bands. General class frequency privileges in ham radio dummies. Amateur operators shall ensure that their transmission occupies only the 2. Ocf 8 bands 1606 hf windom polystealth antenna ni4l. This mfj2990 is a 43foot selfsupporting vertical antenna that covers 160 through 6 meters with the use of an antenna tuner. Detailed packet frequencies pdf phone patch, autopatch and hfvhfuhf operating guidelines.
Soon, if you havent done so already, youll be thinking about upgrading. However, it is important to understand that this antenna is a lowq structure. Six meters 5054 mhz is known as the magic band to many of its fans, but the best description i ever heard came from a ham i worked during a frantic summer sporadice opening. Two helical antennas for 160 meter band andre chichkin, ve3yxo first design of the helical antenna helical vertical antenna at its relatively small height may provide a good operation in the air. The hobbypcb hardrock50 50watt 1606 meter amplifier. I recently put the 160 80 40 30 half sloper on my tower to cover the low bands. Final versions of the band plans are published in the canadian amateur for last minute input and are then submitted to the rac board of directors for approval. My barefoot signal reports on 160 usually run from 20 to 40 over s9 over an area of 400 miles or so. K3bm sloping delta loop for 160 meters nn4aa 160 meter tarial wb5wpa 14 wave tuned vertical loop. Youll find these references to be just what you need while learning to navigate the radio bands and make contacts. Conditions are expected to improve in the near future as solar cycle 24 progresses, so it seems a good time to add a 6 meter antenna. General, advanced and amateur extra class licensees are. I used the mfj 259 b meter to check inductances and found a coil in. A method used to bring 450 ohm feed line into the shack.
Amateur ham radio frequency table 20 meters general cw, rtty, data ssbphone, cw, image 14. A reducedsize half sloper for 160 meters heres a limitedspace antenna that will put you on the top band. We cut the element for the lower frequency and let it serve double duty at the odd harmonic, thus enabling greater band coverage. In the evening when most of us have time to relax and enjoy a little time on the radio, the higher frequency bands are either dead or very crowded. Jan 31, 2019 the span of frequencies which are used for shortwave broadcasts and for ham radio are split into bands. Amateur radio nets of interest radio association of erie. This band is often taken up as a technical challenge, since long distance dx propagation tends to be more difficult due to higher d layer ionospheric absorption. Go to 160 meters and my dear fellow ham radio operator.
Hf antennas especially stealth models for those in an hoa. The term refers to the average signal wavelength of 6 meters. If you do the math, you will see that there is actually about 420 feet total wire across the top of the antenna on the 80 meter version, 210 feet per side, and about half that on the 40 meter version. Quickly switch bands and eliminate a tuner as one more thing to adjust. Amateur radio and the 60 meter band the 60 meter band is part of the larger 5. The 80 metre or 75 metre ham radio band is actually within the hf part of the spectrum. This 10 160 meter tuned horizontal loop antenna is fed with 450 ohm ladder line all the way into the ham shack to an palstar at1500bal balanced line antenna tuner.
Hf 8 band fan dipole multiband antenna 1606 meters with balun. Wintertime is the perfect time for exploring the top band. The history of amateur radio outline of amateur radio. Get 160 6 meters coverage and 1500 watt operation with a single antenna. You have many more frequencies to use on the highfrequency hf bands, as shown in the following table. Us amateur radio bands american radio relay league. Older amateur operators often refer to 160 meters as the top band it is also.
Nevertheless, the love of experimenting with antennas played a critical part in the successful. Each amateur radio band above is divided into sub bands where various modes of communication, transmitting power limits, and license requirements apply. Homebrew 160 meter amcw transmitter receiver the vk 160 and am sota event 1st april 2017 provided the deadline pressure needed to complete this build. Us amateur radio bands allocations 160 meters general advanced extra cw, rtty, data, ssbphone, image 1. December 1, 2015 rac030mhz band plan 5332 khz plus others. The unun secondary taps into the inductor at the 200 ohm point. Page 8 wia australian amateur band plans updated 4042010 notes for the 160 10 metre bands note 1. For many decades the lowest radio frequency band allocated for use by amateur radio, before the adoption, at the beginning of the 21st century in most countries, of the 630 and 2200 meter bands. The 6 meter band is the lowest portion of the very high frequency vhf radio spectrum allocated to amateur radio use. Australian band plans 100404 wireless institute of australia. Contest station ak7az, a special interest group of the radio society of tucson, attempts to use a balloon lofted 160m antenna for the 2011 cqwwdxssb contest.
Amateur ham radio frequency table general advanced extra cw, rtty, data ssbphone, cw, image 28. As of june 20 w6hiq is an official hfn pilot station. Zippo lighter restoration, harley davidson edition gold plated. Upper sideband usb the common singlesideband operating mode on the 20, 17, 15, 12 and 10 meter hf amateur bands, and all the vhf and uhf bands. The chart covers all ham bands from 160 meters through 2 meters only. Portable magnetic loop antennas ham radios best kept secret eric norris wd6dbm v2.
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