Can this tv antenna be modified for ham use?

Josie Purdy asked a question: Can this tv antenna be modified for ham use?
Asked By: Josie Purdy
Date created: Tue, Aug 10, 2021 7:40 PM

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Those who are looking for an answer to the question «Can this tv antenna be modified for ham use?» often ask the following questions:

⭐️ What channel is this tv on antenna?

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⭐️ What is antenna tv?

Antenna TV is an American digital television network owned by Nexstar Media Group. The network's programming consists of classic television series, primarily sitcoms, from the 1950s to the early 1980s, most of which are sourced from the content library of Sony Pictures Television.

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They can be modified for 70 cm and above. The nice thing about TV antennas is that with careful modification you can be rather stelthy in your ham activity. I used a Channel Master 3617A for a while, and trimmed down the elements and it worked well for 2 meter SSB.

Yes, but only on frequencies that used to be assigned to tv and are now in use by ham radio operators. This would mean that an antenna for former B-channel 2 would have about the correct dimensions for the 6 meter ham band (50–52MHz) Similarly a B-channel 4 antenna may be suitable for use in the 4 meter ham band (70–70,2MHz). But:

TV antennas can be carefully modified for your ham activity. I tried Channel Master 3617A for a while, and trimmed down the elements and it worked well for 2 meter SSB. Look for plastic cutting boards, cut and use to replace bad insulators or make new ones for different positions.

All this for for $32.99 including shipping. I wanted to see how well would these antennas work on the 2m/70cm band, and see if I could modify them to work better on these bands. The particular model I got is the ESky HG-981 from amazon. Here are the specs for this antennas: - Frequency: 45-860 MHz - Gain: 22-38dB - Rotation: 360°

Countless hams have used TV log-periodic antennas on the ham bands, and with little or no modifications.

There is a TON of 900MHz Antennas around to be modified or even ready to purchase from your favorite ham radio antennae manufacturers such as Comet or Diamond. Keep in mind surplus cell phone gear! As for Amplifiers, there are a few out there ready to go that cover the frequency ranges or you can modify it yourself.

Other LNBs must be modified in some way to get it work in the 10 GHz band. If we want to modify the filter, usually we will need to expand the filter tracks, not a easy task, so many hams introduce in the filter small quantities of some dielectric material, so the working frequency of the filter moves down.

Cut 8 pieces of copper wire that are each 17 inches (43 cm). Get 12-gauge uninsulated copper wire to make your antenna. Measure out 8 separate pieces that are 17 inches (43 cm) long and mark the lengths with a marker. Use a pair of wire cutters to snip the wires on your marks so you have 8 pieces.

Step 4: Reattach the Antenna. Use clamps, position them on the edge of the satellite dish, and take the antenna to the back notch. Reattach the antenna to the satellite dish using screws. Tighten the screws with the help of pliers. This step is very crucial. Make sure you fix it back properly. Step 5: Connect the Coaxial Cable

The feed line for TV is usually 75-$\Omega$, not the 50-$\Omega$ typically used with ham radios. The LNB (Low Noise Block, TV downconverter) probably has filters that reject most ham frequencies to cut down on interference. In short, for traditional 2-meter VHF and 440-MHz UHF it would not work and would require extensive modification.

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