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Questions tagged [2m-band]

Use this tag for questions relating specifically to the amateur radio VHF allocation around 144 MHz.

2 votes
2 answers
113 views

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 ...
MacGuffin's user avatar
  • 359
3 votes
1 answer
96 views

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 ...
I_like_python's user avatar
2 votes
1 answer
124 views

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,...
Matt's user avatar
  • 21
2 votes
1 answer
191 views

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 ...
quanglewangle's user avatar
0 votes
1 answer
285 views

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.
Todd KF0LNB's user avatar
2 votes
1 answer
175 views

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 ...
Duane's user avatar
  • 21
1 vote
1 answer
175 views

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 ...
Jayanta Pandit's user avatar
1 vote
1 answer
464 views

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 ...
Fabián Iglesias's user avatar
2 votes
1 answer
922 views

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 ...
TSG's user avatar
  • 259
1 vote
2 answers
158 views

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 ...
Robert's user avatar
  • 21
5 votes
1 answer
782 views

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 ...
Aaron's user avatar
  • 51
0 votes
1 answer
197 views

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)...
Moses Browne Mwakyanjala's user avatar
3 votes
1 answer
4k views

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 ...
KP4MCG's user avatar
  • 217
1 vote
2 answers
564 views

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&...
user avatar
2 votes
2 answers
2k views

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 ...
Peggy Schafer's user avatar

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