Questions tagged [2m-band]
Use this tag for questions relating specifically to the amateur radio VHF allocation around 144 MHz.
59
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Performance of 2M/440 Amateur magnet mount antenna with CB
As I suspect that most people reading know already that a "well behaved" CB antenna tends to be quite large. In the past I compromised on a "proper" antenna to reduce size by ...
3
votes
1
answer
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Can I use a generic FM 2m radio for meteor scatter or other digi modes?
Firstly, I know it’s possible, but is there any actual activity for 2m MS. I want to get into Meteor scatter but i am wondering if i can use my 2m FM transmitter with a TNC and a yagi for meteor ...
2
votes
1
answer
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Diagnosing antenna problem with RigExpert AA-600
Last fall I put up a 40ft tower with a Diamond X50 dual band antenna at the top. This antenna had previous been mounted at the corner of my house with no issues.
Since putting the antenna on the tower,...
2
votes
1
answer
191
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2m FM: where do I actually QSY to after establishing contact on 145.500?
I am new to amateur VHF, coming from HF and marine.
Online advice says after establishing contact on 145.500 then QSY. What is the range of channels/frequencies most folks use? ie that they are ...
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1
answer
285
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How do I modify a Yaesu FT-726R from Japan with limited VHF 2 meter bands to use US VHF 2 meter bands?
I purchased this online an love the radio but VHF is limited to 144.00 to 146.00. Our local repeater is at 146.760. Any help would be appreciated. Thanks.
2
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1
answer
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Converting an FM Antenna to a 2m/70cm Transmitting Antenna
I have a 2006 Honda Goldwing 1800 with an extra FM antenna that I would like to convert to a 2m (or 2m/70cm) transmitting antenna. Changing the connector to a PL-259 seems to be the easy part and I ...
1
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1
answer
175
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Swapping crystal from HF to VHF in a QRP tranceiver
I am trying to build a short-range QRP weak signal VHF 2m CW transceiver. I found a small circuit that fit my needs, but it was made for use on 40m instead of my target frequency. The circuit included ...
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1
answer
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A new ham should start with Digital or Analog Portable Radio?
I am interested in acquiring two portable radios to talk between a family member and me (both new hams), e.g. when we go trekking in a National Park or to communicate in the same city. We used PRM ...
2
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1
answer
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2m frequency allocation for channels
I'm studying for my ham test and have a question that isn't clearly answered in my study guide.
On 2m, it seems channels are spaced 15Khz or 20 Khz or 30KHz apart, and (I think) channels have a ...
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2
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Help setting up my Baofeng UV-5R radio for scanning [closed]
I am a disabled person and need help programming my Baofeng UV-5R with all the pertinent emergency frequencies that apply to my area, which is Aurora, Colorado.
I'm not a licensed ham and want to stay ...
5
votes
1
answer
782
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bizzare CW on 2m
I'm currently in Kershaw, SC. Yesterday an automated signal popped up on a 2m simplex freq (147.455 MHz) and has been running since. It sounds like Morse, but it is random letters that don't seem to ...
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Maximum occupied bandwidth and symbol rate for amateur satellites [closed]
I'm looking for information regarding allowed occupied bandwidth and maximum symbol rate for the following amateur satellite bands
Amateur VHF (144 to 148 MHz) aka 2m-band
Amateur UHF (430 to 440 MHz)...
3
votes
1
answer
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Recomended coax for 100ft (2m/70cm)
I recently moved to another house. My setup's current coax is 50ft/RG8x/PL259 (bought in 2018), but it is not enough for connecting my antenna to where I want to place the radio. I believe that 50ft ...
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vote
2
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1/8 wave 3-element 2m beam antenna
Here's what I am working on, and someone please tell me if I'm doing this right or wrong, but be kind and gentle.
Center frequency 146.520MHz
Driven element is 1/8 wave 10.25" long set at 6.125&...
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How much of the 136 - 174 mhz spectrum is actually in use?
I know that 144-148 and 156-157 mhz ranges are in use, and various fire/ems/police, but outside of that, I see a lot of earth-to-space, weather stuff and space research allotments (talking about ...