Tag Archives: GP5-SSB

Steven is impressed with the CountyComm GP5/SSB and high-gain bar antenna

Many thanks to SWLing Post contributor, Steven Crawford, who sent the following message to me (several weeks ago) and has kindly allowed me to share it here. Steven writes:

I hope this finds you and yours well. I just wanted to take a few moments and express my sincere thanks to you for your posts of 12/20/2014 and 1/6/2016, and for sharing Larry Thompson’s post of 2/28/2016, and Ron’s post of 1/16/2016. If you are in regular contact with the other individuals please feel free to pass along my thanks as each of you and the respective post convinced me to purchase a CountyComm GP5/SSB and Ebay seller playloudfm’s high-gain ferrite bar antenna. I am so glad I did, so a hearty Thank You to each of you.

The afternoon of March 19th local was the first chance I had to use my GP-5/SSB. After popping in three fresh AA’s on AM using the internal ferrite bar antenna Beaumont, Texas’ own powerhouse 5,000 watt KLVI 560 was there as was 1,000 watt Orange’s KOGT 1600, 23 miles away and my AM daytime benchmark 50 kW KTRH 740 Houston 70 or so miles away on the back side of their pattern. KTRH surprisingly can be a little difficult during the day due to noise. The surprise was 50 kW WWL New Orleans 240 miles away was intelligible above the background noise. Extending the whip a quickie SW test showed WWV Fort Collins time signal was present at 15 MHz.

On the AM side the real money lay after dark once the sun had set in Beaumont and San Antonio. Using only the internal ferrite bar antenna all of the aforementioned AM stations were present. Continuing the internal antenna’s test 50 kW WBAP 820 Dallas 244 miles away and 50kW WOAI 1200 San Antonio 266 miles away were present. I started grinning when 50 kW WLAC 1510 Nashville 598 miles away and 50kW KMOX 1120 St. Louis 632 miles away were just intelligible above the background noise. Keep in mind these stations were received using only the internal antenna.

I popped the CountyComm included factory external ferrite bar on and used it 9 -10 PM Saturday local, 0200 – 0300 March 20 UTC. Using the external antenna rotated for best reception WLAC and KMOX improved to the point they were easily listenable. 50 kW WSB 750 Atlanta 625 miles away was listenable above the noise and most surprising 50kW WBBM 780 Chicago 892 miles away(!!!) was just intelligible above the background noise. Another quickie SW test was performed at 10 PM local, 0300 March 20 Sunday UTC by extending the built in whip and the WWV Fort Collins time signals were present at 5 and 10 MHz with 10MHz being particularly well received.

Photo source: eBay

A real treat lay in store after receiving Ebay seller playloudfm’s aftermarket high-gain ferrite bar antenna, the subject of your 1/6/2016 and Ron’s 1/16/2016 post, yesterday. I am not experienced enough to judge what the space weather or propagation conditions were like from 0300 to 0400 March 27th UTC but I was extremely surprised and pleased with the reception results the new antenna afforded.

As I sat relaxing in my easy chair before bed I decided to try the combo out using the included earphones so as to not wake my wife. With the lights off and my iPad open to www.oldradio.com/archives/stations/ccs.htm to help identify clear channel stations I took the handheld combo for a spin. All of the stations found with the factory supplied external ferrite bar antenna were present. There was just so much more signal present using the aftermarket antenna each became easily listenable. For WOAI, WWL, WLAC and KMOX the effect was as if I was located within their local night coverage area. 50 kW WHAS Louisville Kentucky 740 miles away was newly found present. Chicago’s WBBM was there as before and I was surprised to find 50 kW WGN 720 Chicago as well. The reception quality was such that one could enjoy listening to a Cub’s game or breaking local news story should one be so inclined on WBBM or WGN. The listening experience was similar for newly found 50 kW XEROK 800 Ciudad Juarez 738 miles away.

The most surprising and gratifying, to me anyway, find of the night using playloudfm’s antenna was receiving 5,000 watt (nights!) KCMO 710 Kansas City Missouri 624 miles away. The ability to rotate the antenna to take advantage of it’s directional and nulling ability really aided in this reception. It really is a great benefit to be able to rotate the GP-5/SSB’s external AM antennas for peak signal strength while nulling interfering signals and noise. Indeed KCMO was missing in one antenna orientation but rotating the antenna 90 degrees and the station popped in. I really should have jotted signal strength to noise ratios down but I was just enjoying tuning through the spectrum too much. I have not fully tested SSB Exalted Carrier tuning on the GP5/SSB of difficult stations but have tried it 3 or 4 times and it does appear to work as does tuning 1 kHZ either side of the nominal frequency. The later technique did help clean up some signals by further reducing background noise without greatly affecting listenability.

As best I can tell I ordered and received either the last or next to last of playloudfm’s current batch of high-gain ferrite bar antennas as the Ebay add showed two available when I ordered and the ad was almost immediately replaced with an “accepting pre-orders” ad. Currently there are no ads by seller playloudfm.[Note: it appears more inventory has been added to eBay.] My transaction and shipping was quick and smooth. The bulk of the two week wait occurred after the package was received at the Athens airport where tracking stopped. It should be noted by buyers should more antennas become available the tracking number supplied does not work on the USPS tracking service but it will track the package to Athens through Greece’s Hellenic Post tracking service at http://www.elta.gr/en-us/personal/tracktrace.aspx

Note: all distances listed above are “as the crow flies”, straight line city center to city center and are not necessarily correct for the transmission tower location.

This little radio is fast becoming a hand holdable favorite with easy to learn button placement for use in the dark. I am all ready beginning to prefer it to my Sony SW7600GR / AN200 loop combo for MW broadcast AM reception but I really must do more work with SW before calling the CountyComm my favorite of the two.

Steven followed up a week or so later with this addendum to his review:

I finally got the opportunity to test the FM performance of the radio using only the extended whip on the afternoon of April 1st, April 1st 19:30 – 21:00 UTC. Using www.radio-locator.com and my zip code I found 51 FM stations listed as local, distant and possible fringe reception. I was very surprised and pleased when I was able to log all of the most distant fringe stations, KUHF, KKBQ, KTBZ, KKHH, KHMX, KBXX, KODA, KILT, KLOL, KMJQ, KRBE, KOVE, and KGLK, with ERP’s listed as 90 to 100 kW and distances in the given in the 80 to 90 mile range. In short I was able to log all 51 listed stations. The FM broadcast band is crowded indeed with this little rocket radio. It should be noted my little corner of Southeast Texas is dead flat with nothing between me and these stations broadcast towers but Houston skyscrapers, the typical urban / suburban sprawl, timber and marsh. Ground elevations range from 16 ft to 80 ft above sea level between me and many of the broadcast towers.

[…]My Sony SW7600GR / AN200 loop / Sony AN-LP1 loop combination sits in it’s go bag rapidly falling into disfavor, replaced by the easily used in the dark one handed CountyComm GP-5/SSB. Again thank you for your kind response and thanks again to all who motivated me to purchase this rig.

Steven, thank you so much for taking the time to share your experience with the GP5-SSB and the high-gain ferrite bar antenna.

I also have the high-gain ferrite bar antenna and have been meaning to post videos showing how it performs compared with the supplied GP5 antenna. I must say, it does do a pretty amazing job. I’ll get some videos posted in the coming weeks!

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Larry’s review of the CountyComm GP5/SSB

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Many thanks to SWLing Post reader, Larry Thompson, who shares his review of the CountyComm GP5/SSB:

Been having a ton of fun with my new toy, the tiny survivalist radio, the CountyComm GP5/SSB receiver. $74.95 with free heavy duty cordura case with metal belt clip (normally $17.95). Also purchased 2 spare whip antennas @ $6.00 ea. The unit arrived promptly
in just 5 days from CA.

The radio is manufactured by Tecsun and is similar to the Tecsun PL-365, but re-engineer end to military standards for use in embassies and military installations around the world. The case is a heavy plastic that feels like anodized aluminum.

It’s about the size of a small TV remote control, taller than a cell phone, and about 1/2 the width of an iPhone.

Very, east intuitive menus. Incredibly sensitive to dx, relatively good selectivity. A great radio to throw in your travel bag or briefcase. So small that no one, especially customs, TSA, etc would even suspect it is a shortwave receiver with SSB capabilities.
I live in a very highly QRM and RFI interference zone.

I’m in the central city, in an old 1920’s hi-rise, with high power tension lines right next to the building.

Lots of QRM from the elevator motors, etc. Having a good antenna option is a challenge.
I’ve resorted to a stealth longwire antenna, strung out my 5th floor window. It’s 50′ of #16 black insulated copper stranded wire, weighted by a medium size galvanized carriage nut. It seems to work well.

I also use a Magic Wand shortwave antenna, a type of broomstick antenna with 23′ of lead-in, available from Lowbander on eBay.

My main receivers have been a Sony ICF-SW7600GR dual conversion receiver and the SRDPlay. In the past, I have listened to dx with some really outstanding receivers, including a Nordmende Globetrotter, a National NC-183D, a Japan Radio JRC-525′ and a Yaesu FT900AT transceiver. The later two were computer-controlled using TRX-Manager software.

In just 4 days, I can’t get over the sensitivity of the CountyComm GP-5/SSB and it’s ability to pull in stations. So far, it’s far superior to the Sony or SDRPlay.

Digging into the specs, it is a direct conversion receiver, using a DSP si47XX microchip from Silicon Labs to digitize the analog AM/FM broadcasting signal base on modern software technology and radio principles. The direct conversion circuitry can highly improve a radio’s sensitivity, selectivity, S/N ratio and anti-interference capabilities. Direct conversion using software is far superior to a double or triple conversion traditional IF circuitry. This must explain why the unit is so amazingly sensitive!

I can hear things on this unit that I can’t even begin to hear on the Sony or the SDRPlay. The FM reception and sound with earphones is amazing and LW and AM reception is equally sensitive. I can easily get WLW Cincinnati 700 kHz in the daytime here in St. Louis!

There are 550 preset memories: 100 for AM, 100 for FM, 100 for SSB, and 250 for SW. You can scan the memories or scan the bands in various ways. You can also use the Auto Tune Storage function to store memories.

Something I really enjoy is the Easy Tuning Mode function. The ETM function allows you to tune into stations easily and temporarily store them into the ETM storage. 100 stations for FM/MW and 250 for SW. Scanned stations will not be stored in the regular 550 memories, but will remain in the ETM temporary storage until the next time you do an ETM scan.

This is a great feature for travel. When you are in a different city, you can perform the ETS function and this will not delete any of the stations already in the memory.

Thanks for sharing your review, Larry. I use the GP5/SSB all of the time–it stays in one of my vehicles and I often use it for walks, picnics, camping and even a little parking lot DXing.

I suspect if your SDRplay RSP was hooked up to an antenna that could better mitigate your local QRM, you’d find it outperforms the GP5/SSB. The great thing about portables, though, is that you can simply take them to areas with low noise levels. It’s just a matter of finding the right location!

The CountyComm GP5/SSB is a very handy portable. Thanks again!

The CountyComm GP5/SSB can be purchased from:

CountyComm (current promo includes heavy duty carry case)
Universal Radio

The Tecsun version, the PL-365, can be purchased on eBay (though be aware that some sellers have BuyItNow prices almost two times the price of CountyComm).

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A review of the CountyComm GP5/SSB portable radio: a great preparedness radio

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On Tuesday I received the new CountyComm GP5/SSB portable shortwave radio, a sample sent me from CountyComm. If you’re familiar with the current shortwave portable landscape, then you’ll quickly note that the GP5/SSB shares a striking resemblance to both the GP5/DSP and the Tecsun PL-360. While I hadn’t anticipated writing yet another radio article before the end of the year, having just published a lengthy review of the CC Skywave, my curiosity got the best of me…and before I knew it, I’d spent a few hours listening to and making notes about the CountyComm GP5/SSB as I put it through its paces. In the end, I found I had the makings of a review.

Who is CountyComm?

Unlike most other brands I review, CountyComm has only one or two shortwave radio offerings. I wanted to know a little of the back story and motivation behind creating the GP5/SSB, so I contacted CountyComm directly and spoke with their representative, Nick.

Nick explained that CountyComm is a retail distributor of products created primarily for US government use. In a sense, CountyComm is the consumer spill-over from the thousands of products intended, for example, for state and federal agencies.

According to CountyComm, the GP5/SSB is a case in point. The company received a large order from a US government department for an “inexpensive, small portable, AM/FM/SW radio with SSB” for emergency supply caches and diplomatic posts. The GP5/DSP (a.k.a., Tecsun PL-360) fit the bill, but lacked SSB. The request was large enough that CountyComm approached SiLabs–manufacturer of the DSP chip in many of the portables on the market–and asked for help. SiLabs made some design changes and worked directly with the factory in China to produce the GP5/SSB.

The GP5/SSB comes with a medium wave bar antenna, carry pouch, stereo ear buds, wire antenna and manual.

Besides SSB, another interesting design CountyComm implemented was extending the upper frequency range of the GP5/SSB to 29,999 kHz; previous and similar Tecsun models only had an upper limit of 21,950 kHz.

You may note that as of today, there are no similar Tecsun portables on the market–this is because the first batch of units were designed for (and all purchased by) CountyComm. However, I have already heard rumblings that there will soon be a Tecsun PL-365 on the market–if so, no doubt it will turn out to be the GP5/SSB.

First impressions

Appearance-wise, the GP5/SSB is nearly identical to its predecessor, the GP5/DSP or Tecsun PL-360. The vertical form factor is rather unique in the ultra-portable world, this radio is designed for one-handed operation, much like a handy-talky. The volume and tuning controls are on the right side of the radio and are designed to be operated by thumb (for right-handed operators, at any rate). All of the buttons on the front face are easily operated by your thumb–they’re small, but have a firm response. The GP5/DSP (like its predecessor) lacks a back stand, but does have a belt clip.

The small internal speaker produces clear audio, but sounds a little tinny; there is not even a hint of bass. Via headphones, the audio quality is far better.

Besides a slight modification to the keypad layout to accommodate the new addition of SSB and a bright green antenna tip, the radio is identical to the GP5/DSP and Tecsun PL-360.

FM Performance

The CountyComm GP5/SSB, like many other SiLabs-based receivers we review, has excellent FM sensitivity.

Medium Wave (AM broadcast band) Performance

The MW bar antenna increases performance--if using headphones, you will need a connector with a right angle to allow the MW antenna to rotate 360 degrees

The MW bar antenna increases performance–if using headphones, you will need a right angle connector to allow the MW antenna to rotate 360 degrees

While I have not yet had the opportunity to do a proper comp recording session with the CountyComm GP5/SSB versus comparable radios, I plan to do so in the near future…stay tuned for that, right here! I’ll create a post to give you a heads-up when I’ve added medium wave samples to this review.

With that said, I expect the GP5/SSB performance on medium wave will be very similar to that of the GP5/DSP and Tecsun PL-360. I like the included rotatable ferrite bar antenna that plugs into an external antenna port on top of the radio. It certainly helps with both overall sensitivity as well as nullifying unwanted signals.

Shortwave performance

I’ve had a couple of opportunities to compare the GP5/SSB with other portables on the shortwave bands; embedded audio samples follow of a strong station, a weaker station, and even an SSB sample. Note that all of the sample recordings were taken during poor band conditions–QSB (fading) is pronounced.

Single-sideband

Of course, when I received the GP5/SSB, the first thing I did was tune the ham radio bands in SSB mode.

Nick, the CountyComm rep in charge of the GP5/SSB design, is an amateur radio operator, and I’m pleased that he represented the importance of a truly functional SSB mode on this radio.

The GP5/DSP only has 1 kHz tuning steps: more than adequate for broadcast listening, but too coarse for SSB. Amateur radio operators do not necessarily transmit right on a frequency; they’re often slightly off-frequency, either accidentally or intentionally. And older ham radios are also prone to drifting until the rigs have properly warmed up. Radios with SSB need finer-tuning controls to hone in on SSB signals. But the GP5/SSB has a work-around for this.

The GP5/SSB accommodates SSB by allowing the listener to select either the upper or lower sideband, then use the BFO function to help fine tune and zero-beat a signal.

Specifically, here’s how to tune to an SSB (phone) amateur radio signal with the GP5/SSB:

Turn on either the upper or lower sideband, depending on the meter band (generally, 40 meters and below are lower; all else, upper).
When you hear a signal, use the 1 kHz tuning increments to find where it’s strongest.
Now, press the BFO button once to activate BFO tuning; the U or L (indicating upper or lower) will begin to blink.
While the sideband indicator is blinking, use the tuning wheel to adjust the BFO. Adjust tuning until the voices in the signal sound natural.

Once you’ve done this a couple of times, the process becomes second nature.

Overall, I’m very pleased with the SSB functionality and performance. While I prefer either very fine tuning increments, or a separate BFO knob (no room for that on this tiny radio), I appreciate that CountyComm has used the BFO function to eliminate the need for a separate tuning wheel.

Audio samples

While there are a number of portable radios with SSB on the market, there are very few in this $80 price range with SSB. Indeed, to my knowledge there are no other SSB-capable portables currently on the market that are as compact as the CountyComm GP5/SSB.

I decided the best comparison radio would be one with a similar price, thus I used the Tecsun PL-600, which (at time of posting) is readily available from Amazon for the same $80 price tag as the GP5/SSB.

Below, you can hear two representative audio samples of how each radio receives an SSB conversation between two ham radio operators on the 20 meter band. I like this sample because one of the operators has a very strong signal, while the other is much weaker:

Tecsun PL-600 SSB sample

CountyComm GP5/SSB sample

You may notice that the GP5/SSB has a slightly higher noise floor and DSP artifacts while listening to the weaker signal. The PL-600 sounds a little muffled in comparison.

I listened to many SSB signals that afternoon on the 20 and 40 meter ham radio bands. At length I concluded that I prefer the PL-600 for weak-signal listening. The PL-600’s AGC could cope with the QSB better than the GP5/SSB.

With the majority of the SSB signals, however, I found that the GP5/SSB’s audio was clearer and voices seemed to “pop” out better than on the PL-600.

I should note that I also attempted to include the Grundig G6 in this comparison, but the G6 somehow picked up noise from my digital recorder, thus making the recorded audio sound worse than it actually was. To my ear, the Grundig G6’s SSB reception was very similar to that of the CountyComm GP5/SSB–the G6 perhaps has a very slight edge in terms of weak-signal reception.

Shortwave broadcast listening (AM)

Wednesday afternoon, I had the good fortune to tune in a relatively loud broadcast on 9620 kHz–turns out, it was Radio Nacional de España–! (This is a new shortwave relay service intended to replace the Radio Exterior de España (REE) service that ended in October 2014).

I still had the PL-600 hooked up to my digital recorder at that time; here’s the comparison:

Tecsun PL-600 on 9620 kHz

CountyComm GP5/SSB on 9620 kHz

This morning I also had an opportunity to record Radio Australia on 12,065 kHz. This time, I had the Tecsun PL-310ET handy, so I used it for comparison:

Tecsun PL-310ET on 12,065 kHz

CountyComm GP5/SSB on 12,065 kHz

As you probably hear in these examples, the GP5/SSB has fine sensitivity, though not quite as good as the PL-310ET.

I’ve also noted good selectivity during casual broadcast listening with the GP5/SSB.

However, I do not like the GP5/SSB’s AGC (auto gain control) as well as that of the other portables in this comparison–it’s a little too reactive to fading on the broadcast bands. To be fair, these audio samples really accentuated the AGC on the GP5/SSB since all were made during poor reception conditions and pronounced fading.

Under normal conditions, I believe I would be quite pleased with the GP5/SSB; it’s otherwise on par with most of the other ultra-portables on the market.

Summary

Every radio has pros and cons, and I jot down my reactions as I evaluate a new radio so as not to forget any details. The following is my list:

Pros:

Audio well-tailored for AM broadcast listening–fidelity quite good via headphones
Adequate sensitivity and selectivity
Clear, simple LCD back-lit display
SSB mode is quite functional
- BFO feature allows for zero-beat tuning
- Includes both upper and lower sideband selection
- Much like the PL-880, when in SSB mode, the GP5/SSB will select ham bands when changing meter bands
Extended frequency range (up to 29,999 kHz)
Very good medium wave reception with supplied external bar antenna
Uses three standard AA batteries
Can be charged with common mini USB adapter
Displays temperature in Fahrenheit (if MW set to 10kHz steps) or Celcius (if set to 9 kHz steps)
Great radio for an emergency kit or bug-out bag
Designed for one-hand operation/included belt clip (see con)
US Warranty

Cons:

AGC doesn’t cope with fading as well as other comparable portables
Audio from internal speaker rather tinny (without headphones)
No back stand, nor rotatable whip antenna; thus this radio is not ideal for tabletop listening (see pro)
Supplied belt clip feels flimsy, if you plan to use this in the field, consider purchasing the excellent CountyComm GP5 series rugged case.

Who should purchase the GP5/SSB?

If you’re looking for an ultra-portable radio for travel and general broadcast listening, I would encourage you to consider the new C. Crane CC Skywave, the Tecsun PL-310ET or the Tecsun PL-380. Overall, the performance and form factor of these radios are a better fit for broadcast listening. If you’re looking for armchair SSB listening, a larger portable with a larger internal speaker such as the Tecsun PL-600 is a good choice for the same price as the GP5/SSB.

If you’re looking for an ultra-portable radio with SSB, then the GP5/SSB is a very good choice (if not the only ultra-portable SSB choice currently on the market). While the SSB performance can’t compare with larger, pricier receivers and ham radio transceivers, it’s very good for $80 US.

If you’re looking for an emergency communications receiver–something to stash in your vehicle, emergency kit or bug-out bag–the CountyComm GP5/SSB is a great choice and value. Indeed, that’s who the GP5/SSB was designed for; that’s why this rig has excellent frequency coverage in all modes, with good sensitivity/selectivity and designed for portable, one-hand operation. In fact, CountyComm has even designed and manufactured (in the USA!) a robust, protective 1000-Denier case for the GP5/SSB. This case makes it very easy to strap the GP5/SSB to your belt or backpack securely.

In conclusion, the CountyComm GP5/SSB was designed for a specific purpose: to be an emergency communications receiver. It does this job quite well, despite any shortcomings in comparison to other popular shortwave portables, and for this purpose, I can recommend it.

Purchase the CountyComm GP5/SSB from Universal Radio.

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