Questions tagged [transceiver]
Use this tag for general questions relating to transceivers.
133 questions
1 vote
3 answers
135 views
VHF/UHF radios that are full duplex but only for cross band repeating
Some time ago I bought a VHF/UHF radio (Radioddity DB50) that can operate in full-duplex mode as a cross-band repeater (2m-70cm). I thought this capability would mean it would be able to operate full-...
- 531
4 votes
3 answers
240 views
Does a transceiver radio have a "receiving range"?
I'm familiar with the fact that a transceiver radio has an effective transmission range that is affected by several factors, such as the antenna, transmit power, obstacles, etc. I'm wondering if a ...
1 vote
0 answers
65 views
Transmitted Audio (phone) Is barely understandable. How to pinpoint the cause
This evening while talking with KB1QYH, he ponted out that my audio sounded badly. It sounds like it's being put through a guitar's Wah Wah pedal. I've reconfirmed this by broadcasting on W1BBV's IC-...
- 193
0 votes
1 answer
58 views
What can cause a Kenwood TS-950S' On Air light to stay on?
While changing microphones on W1BBV's Kenwood, I accidentally pressed a button -- do not know which one -- and now the on air light is permanently on. How can I undo this condition?
- 193
1 vote
2 answers
58 views
Useful Search Terms To Find Crossband-Capable Mobile Transceiver
Referring to Building a portable event repeater what criteria should I use to search for a crossband-capable transceiver? Specifically, what terms do I use with places like Ham Radio Outlet, Gigaparts,...
- 193
2 votes
1 answer
240 views
Trying to find an IC for RF Tx Rx switching
I want to built a T/R switch for 75W at 433 MHz. I found ICs to not be able to withstand that power. How does one build such a switch? I understand that an IC is not the best solution to this, but I ...
- 23
3 votes
2 answers
732 views
How do I ground my first HF rig?
I want to preface this question saying that I am very new to HF and just got my general license. I have only operated using 2m/70cm handhelds and am completely unfamiliar with antenna setup. I ...
- 31
3 votes
2 answers
292 views
Automatic switching of RX antenna -- xcvr has only one antenna connection (SO-259)
I have a local noise problem that's pretty intractable, especially on low bands. I'd like to at least experiment with a loop-on-ground RX antenna -- I've got a 1/4 acre to play with. My IC-718 has ...
- 33
0 votes
0 answers
158 views
My icom IC 735 has no TX, external meter shows correct amount of power but no one can hear me
I pulled apart to get to the pa board and checked the three amp fuse it was fine. All I could find on the main board was diodes D33 and D34 were cut but I learned that was from the Mars mod. Im ...
- 31
-1 votes
1 answer
1k views
How do you get the uSDX+ transceiver to work properly?
I saw this relatively cheap transceiver on amazon. So, I thought, for a beginner like me, why don't I buy it? I didn't want to buy the thousand-dollar icom transceiver, so I was left with that option. ...
- 823
4 votes
2 answers
858 views
Transceivers connectable with bluetooth hearing aids
I'm a rower in the Netherlands. Rowers are typically coached via transceivers or a megaphone. I am hearing impaired and I will get new hearing aids soon. These will be equipped with bluetooth. My ...
- 41
0 votes
1 answer
3k views
How to ground a transceiver in an apartment?
I've got some really dumb questions about station grounding. For starters, I live in an apartment; how can I ground a transceiver station using that screw on that back? I've got nowhere to sink a ...
- 3
1 vote
1 answer
83 views
On KENWOOD TS2000, the CW messages don't record even after the "recording wait" pops up in the display. But the sidetone works fine
I'm working on a miniproject where i'm asked to demonstrate the recording of some signal. I made a keyer connection using a earphone cable to my Kenwood. The Keyer works fine - the sidetone is audible ...
- 11
1 vote
1 answer
266 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 ...
9 votes
3 answers
4k views
Why do single band 10 meter radios exist?
I wonder why special radios for 10 meter band are manufactured? On the one hand - any fully-fledged HF transceiver includes 10 meter band. On the other hand there are no only "15 meter band" ...
- 101