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Questions tagged [equipment]

Questions relating to equipment for Amateur Radio operation.

13
votes
3answers
294 views

WWV, WWVH, and WWVL may be shut down. Are there any alternatives?

The US government is proposing to shut down the NIST standard time and frequency stations WWV, WWVH, and WWVB in Colorado and Hawaii. If that actually happens, are there any free or inexpensive ...
1
vote
1answer
148 views

Receiving audio output from IC-9100 through USB port

Can someone please give me a clue here? I'm having problems receiving data from the IC 9100 radio. I want to receive ax25 packets using FSK G3RUH modulation with an IC-9100 radio. It is configured ...
4
votes
1answer
101 views

Two way ham radio to communicate between two stations

Apologies if this not the right place for this question. I'm into electronics and now endeavouring into radios and communications. Unfortunately I'm not sure what terms to use to find what I'm ...
4
votes
3answers
254 views

SDR set up that will TX & RX on CB, UHF and VHF

I would like to use SDR to receive and transmit on CB, UHF and VHF. Is this possible and if so what type of equipment will I need (antennae, dongle etc)? I currently have both UHF/VHF and CB but atm ...
3
votes
2answers
146 views

Identify this “large TNC” coax connector

I have recently acquired a nice looking dummy load on military surplus sale. Being relatively new to the hobby, I assumed the connector on it was something common. Turns out it is not. So far nobody ...
0
votes
1answer
182 views

Using the VHF port for 6m on an Icom IC-706mkIIg transceiver

My Icom IC-706mkIIg transceiver has two output ports: one for its VHF/UHF bands (i.e. 2m/70cm) one for the HF bands, and also 6m! I have a couple of broadband VHF/UHF antennas whose transmit specs ...
2
votes
2answers
213 views

(HF) How to maximize probability of successful transmit given constrained packet duration? [closed]

I need a HF link that will be (mostly hah) operational 24/365. Edit: at least at local daytime. The link is supposed to transmit a controlling signal (just one bit) in one direction for quite a ...
4
votes
4answers
452 views

Why do some straight keys have a slider that shorts the contacts continuously?

I ended up with an old straight key that has a curious feature: below the main arm that you would tap on, there's an extra metal flange that can sort of loosely pinch an extra sliding lever underneath,...
1
vote
2answers
266 views

Scanner radio purchase advice for someone that's nosy but not technological?

If it sounds like a stupid question, it probably is. My mom loves being nosy... When she hears the police siren, an ambulance, firefighters, or something like that, she's the first one to run to the ...
2
votes
1answer
143 views

Computer cables in shack — what to do with them?

What should I do with all the cables connecting this to that? Coiled, folded, cut-to-length, wound on ferrite? Anyone have the definitive answer to this? My rat's nest is getting more messy. The ...
7
votes
2answers
1k views

Broadcasting a WiFi SSID long-distance

Which equipment would be good for broadcasting a WiFi SSID the longest possible range? We're making an orienteering race in a forest and would place a sender somewhere high over the trees, ...
2
votes
2answers
1k views

What rig should I start with when trying to get hands-on experience with FLDIGI?

I would like to get hands-on experience with FLDIGI. What setup is recommendable?
6
votes
1answer
3k views

Using standard headphones with the Yaesu FT-60?

I just got a Yaesu FT-60R handheld, along with the MH-37A4B earpiece. After having it around for a couple days, I think I'd like to be able to connect standard headphones to it, so as to be able to ...
6
votes
2answers
266 views

What rig or rigs are onboard the ISS?

This article mentions the Ham Shack aboard the ISS. From the picture it looks like a small very light rig like a Yaesu FT-817. What radio(s) do the astronauts use when they talk to Hams and School-age ...
1
vote
1answer
193 views

SDR software support for National Instruments USB-4431 ADC?

I have an opportunity to purchase one or more of these 24 bit, 4 channel, 102ksps USB ADCs, but before I do I want to understand how difficult they would be to use with existing SDR software. Are ...
1
vote
2answers
526 views

What is the essential gear to have in a VHF/UHF FM base station? [closed]

I'm trying to assemble a VHF/UHF FM base-station at home. Assuming I have the following pieces of equipment: VHF/UHF FM transceiver power supply - 30 amps, no meters antenna that's resonant on 2m and ...
9
votes
1answer
663 views

What does a lightning bolt symbol next to an antenna connector mean?

On the back of my Yaesu FT-897, next to each of the antenna connectors, there are lightning-bolt-ish symbols. What do these mean, and is there something I ought to be doing because of that? I have ...
4
votes
1answer
706 views

What makes a good emergency-capable QRP rig for travel?

It's wintertime, which drives the concept of emergency preparedness here above the 45th Parallel. Am emergency-capable QRP rig is an excellent item to stuff into one's Go Bag or vacation gear, always ...
7
votes
2answers
779 views

What is the point of a SWR/power meter where the needles cross over each other?

There are SWR/power meters with two separate gauges, and others that have them mounted so the gauge needles cross over each other. Aside from looking cool, does the cross-over point of the two meters ...
9
votes
1answer
7k views

What is a waterfall display?

High-end transceivers apparently come equipped with a water-fall display - something to do with improved spectrum visibility. This is supposed to lead to potentially higher QSO count and rate. What ...
6
votes
1answer
198 views

Simple cheap foxhunting?

I'm currently looking to do a foxhunt for a youth group, and need to keep it inexpensive and easy enough that it won't be impossible for those new to foxhunting and ham radio, but difficult enough ...